Reproductive Flashcards

(284 cards)

1
Q

Sonic Hedgehog gene

A

Zone of polarizing activity at the base of limb buds
Anterior - posterior axis patterning, CNS development
Mutations –> holoprosencephaly

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2
Q

Wnt 7 gene

A

Apical ectodermal ridge at distal end of each limb

Dorsal-ventral axis patterning, limb development

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3
Q

FGF gene

A

Apical ectodermal ridge

Limb lengthening

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4
Q

Homeobox genes

A

segmental organization in cranial-caudal direction, transcription factor coding
Mutations –> appendages in wrong location
Isotretinoin –> increase hox gene expression

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5
Q

Within 1 week fetal development

A

hCG secretion begins around the time of implantation of blastocyst
Blastocyst sticks at day 6

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6
Q

Within 2 weeks of fetal development

A

Bilaminar disc (epiblast and hypoblast)

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7
Q

Within week 3 of fetal development

A

Gastrulation forms trilaminar embryonic disc
Cells from epiblast –> primitive streak –> endoderm, mesoderm, ectoderm
Notochord arises from midline mesoderm
overlying ectoderm –> neural plate

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8
Q

Weeks 3-8 of fetal development

A

Neural tube formed by neuroectoderm and closes by week 4
Organogenesis
Extremely susceptible to teratogens

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9
Q

Week 4 of fetal development

A

Heart begins to beat

Upper and lower limb buds begin to form

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10
Q

Week 6 of fetal development

A

fetal cardiac activity visible by transvaginal US

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11
Q

Week 8 of fetal development

A

fetal movements start

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12
Q

Week 10 of fetal development

A

Genitalia have male/female characteristics

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13
Q

Surface ectoderm

A

epidermis, adenohypophysis, lens of eye, epithelial lining of oral cavity, sensory organs of ear and olfactory epithelium, anal canal below pectinate line, parotid, sweat and mammary glands

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14
Q

Craniopharyngioma

A

benign Rathke puch tumor with cholesterol crystals, calcifications

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15
Q

Neural Tube

A

Brain, retina, spinal cord

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16
Q

Neural Crest

A

Melanocytes, odontoblasts, tracheal cartilage, Enterochromaffin cells, leptomeninges, PNS ganglia, adrenal medulla, schwann cells, spiral membrane, endocardial cushions, skull bones

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17
Q

Mesoderm

A

muscle, bone, connective tissue, serous lining of body cavities, spleen, CV structures, lymphatics, blood, upper vagina, kidneys, adrenal cortex, dermis, testes, ovaries, microglia

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18
Q

Notochord

A

nucleus pulposus of intervertebral disc

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19
Q

Endoderm

A

gut tube epithelium, urethra and lower vagina, luminal epithelial derivatives.

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20
Q

ACEi Teratogen

A

renal failure, oligohydramnios, hypocalvaria

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21
Q

Alkylating agents Teratogen

A

absence of digits, multiple anomalies

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22
Q

aminoglycosides Teratogen

A

ototox

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23
Q

antiepileptic drugs Teratogen

A

neural tube defects, cardiac defects, cleft palate, skeletal abnormalities

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24
Q

Diethylstilbestrol Teratogen

A

vaginal clear cell adenocarcinoma, congenital Mullerian anomalies

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25
Fluoroquinolones Teratogen
cartilage damage
26
Folate antagonist Teratogen
Neural tube defects
27
Isotretinoin Teratogen
severe birth defects
28
Lithium Teratogen
ebstein anomaly
29
Methimazole Teratogen
aplasia cutis congenita (no skin)
30
Tetracyclines Teratogen
discolored teeth, inhibited bone growth
31
Thalidomide Teratogen
limb defects
32
Warfarin Teratogen
Bone and cartilage deformities, optic N atrophy, fetal cerebral hemorrhage
33
Alcohol Teratogen
Fetal alcohol syndrome intellectual disability, microcephaly, facial abnormalities, limb dislocation, heart defects, impaired migration of neuronal and glial cells
34
Cocaine Teratogen
low birth weight, preterm birth, IUGR, placental abruption
35
Smoking Teratogen
low birth weight, preterm labor, placental problems, IUGR, SIDS, ADHD
36
Iodine Teratogen
congenital goiter, or hypothyroidism
37
Maternal Diabetes
caudal regression syndrome, cardiac defects, neural tube defects, macrosomia, neonatal hypoglycemia, polycythemia
38
Methylmercury Teratogen
neurotox
39
Vitamin A excess Teratogen
high risk of spontaneous abortions and birth defects
40
X ray Teratogen
microcepahly, intellectual disability
41
Neonatal abstinence Syndrome
secondary to maternal substance use uncoordinated sucking reflexes, irritability, high pitched crying, tremors, tachypnea, sneezing, diarrhea, seizures T(x) opiate abuse: methadone, morphine, buprenorphine
42
Dizygotic twins
from 2 eggs that are separately fertilized by 2 sperm will have 2 separate amniotic sacs and 2 separate placentas
43
Monozygotic twins
from 1 fertilized egg that splits in early pregnancy Cleavage 0-4 days --> separate placenta and amnion Cleavage 4-8 days --> shared placenta Cleavage 8-12 days --> shared amnion Cleavage 13+ days --> shared body (conjoined)
44
Placenta
Primary site of nutrient and gas exchange between mother and fetus
45
Cytotrophoblast
inner layer of chorionic villi makes cells Fetal component of placenta
46
Synctiotrophoblast
Fetal Component of placenta | outer later of chorionic villi, synthesize and secrete hCG
47
Decidua Basalis
Maternal component of placenta | derived from endometrium. Maternal blood in lacunae
48
Umbilical cord
Artery and vein derived from allantois 2 umbilical arteries return deoxygenated blood from fetal internal iliac A to placenta 1 umbilical vein supplies oxygenated blood from placenta to fetus. Drains into IVE via liver or ductus venosus
49
Single umbilical artery
associated with congenital and chromosomal anomalies
50
Urachus
allantois forms from hindgut and extends into urogenital sinus. Allantois --> urachus (duct between fetal bladder and umbilicus) Failure to involute --> increase risk of infection and/or malignancy obliterated urachus = umbilical L after birth
51
Patent Urachus
total failure of urachus to obliterate --> urine discharge from umbilicus
52
Urachal cyst
partial failure of urachus to obliterate, fluid filled cavity lined with uroepithelium between umbilicus and bladder. Cyst can become infected and present as painful mass below umbilicus
53
Vesicourachal diverticulum
slight failure of urachus to obliterate --> outpouching bladder
54
Vitelline duct
7th week obliteration of vitelline duct (connect yolk sac to midgut lumen)
55
Vitelline Fistula
Vitelline duct fails to close --> meconium discharge from umbilicus
56
Meckel Diverticulum
Partial closure of vitelline duct, with patent portion attached to ileum Asymptomatic, heterotopic gastric or pancreatic tissue --> melena, hematochezia, ab pain
57
1st Aortic arch
part of maxillary artery
58
2nd aortic arch
stapedial A and hyoid A
59
3rd Aortic arch
common carotid A and proximal Internal Carotid A
60
4th Aortic Arch
on left, aortic arch | on right, proximal part of right subclavian A
61
6th Aortic Arch
Proximal part of pulmonary A and ductus arteriosus (left)
62
Pharyngeal cleft derived from
ectoderm
63
Pharyngeal arches derived from
mesoderm and neural crest
64
Pharyngeal pouch derived from
endoderm
65
1st Pharyngeal cleft
external auditory meatus
66
2-4 pharyngeal cleft
temporary cervical sinuses. obliterated via proliferation of 2nd arch mesenchyme
67
Persistent cervical sinus
pharyngeal cleft cyst within lateral neck, anterior to SCM M
68
1st pharyngeal arch
Maxilla, zygomatic bone, mandible, Meckel cartilage, malleus, incus, sphenomandibular L Muscles of mastication, mylohyoid, anterior belly of digastric, anterior tongue CN V3
69
2nd Pharyngeal arch
Reichert cartilage, stapes, styloid, lesser horn of hyoid, stylohyoid L Muscles of facial expression CN VII
70
3rd Pharyngeal Arch
greater horn of hyoid Stylopharyngeus CN IX
71
4th and 6th pharyngeal arches
Arytenoids, cricoid, corniculate, cuneiform, thyroid 4th- pharyngeal constrictors, cricothyroid, levator veli palatini Superior laryngeal Branch CNX 6th- intrinsic muscles of larynx except cricothyroid Recurrent/inferior laryngeal branch CNX
72
Pierre Robin sequence
micrognathia, glossooptosis, cleft palate, airway obstruction
73
Treacher collins Syndrome
AD Neural crest dysfunction Craniofacial abnormalities, hearing loss, airway compromise
74
1st Pharyngeal pouch
middle ear cavity, eustachian tube, mastoid air cells
75
2nd pharyngeal pouch
epithelial lining of palatine tonsil
76
3rd pharyngeal pouch
dorsal wings --> inferior parathyroids | ventral wings --> thymus
77
4th pharyngeal pouch
dorsal wings --> superior parathyroids | ventral wings --> ultimopharyndeal body --> parafollicular cells of thyroid
78
Cleft lip
failure of fusion of maxillary and merged medial nasal processes
79
Cleft palate
failure of fusion of the two lateral palatine shelves or failure of fusion of lateral palatine shelf with the nasal septum and or primary palate
80
Female genital embryology
Default development. Mesonephric duct degenerates and paramesonephric duct develops
81
Male genital embryology
SRY gene on Y chromosome --> testes develop Sertolli cells secrete Mullerian inhibitory factor --> suppresses development of paramesonephric duct Leydig cells secrete androgens --> mesonephric ducts
82
Paramesonephric duct
Develops into female internal structures (fallopian tube, uterus, upper portion of vagina)
83
Mullerian agenesis
may present as primary amenorrhea in females with fuly developed secondary sexual characteristics
84
Mesonephric duct
develops into male internal structures (seminal vesicles, epididymis, ejaculatory duct, ductus deferens) Female remnant = gartner duct
85
Absence of Sertoli cells or lack of MIF
develop both male and female internal genitalia and male external genitalia (streak gonads)
86
5a reductase deficiency
inability to convert testosterone into DHT --> male internal genitalia, ambiguous external genitalia until puberty
87
Septate uterus
incomplete resorption of septum decreased fertility and early miscarriage T(x) septoplasty
88
Bicornuate uterus
incomplete fusion of Mullerian ducts | increase risk of complicated pregnancy, early pregnancy loss, malpresentation, prematurity
89
Uterus didelphys
complete failure of fusion --> double uterus, cervix, vaginal pregnancy possible
90
Genital tubercle
Male- glans penis and corpus cavernosum and spongiosum | Female- glans clitoris and vestibular bulbs
91
Urogenital sinus
Male- bulbourethral glands and prostate gland | Female- greater vestibular glands, urethral and paraurethral glands
92
Urogenital folds
Male- ventral shaft of penis | Female- labia minora
93
Labioscrotal swelling
Male- scrotum | Female- labia majora
94
Hypospadias
abnormal opening of the penile uretha on ventral surface of penis due to failure of urethral folds to fuse Associated with inguinal hernia, cryptorchidism, chordee
95
Epispadias
Abnormal opening of the penile urethra on dorsal surface of penis due to faulty positioning of genital tubercle Exstrophy of bladder is associated
96
Gubernaculum
Band of fibrous tissue Male remnant- Anchors testes within scrotum Female remnant- ovarian L and round L of uterus
97
Processus Vaginalis
Evagination of peritoneum Male remnant- tunica vaginalis, persistent processus vaginalis --> hydrocele Female remnant- obliterated
98
Gonadal Venous Drainage Right
Right ovary/testis --> right gonadal V --> IVC
99
Gonadal Venous Drainage Left
Left ovary/ testis --> left gonadal V --> left renal V --> IVC Flow is less laminar on left so venous pressure is higher --> more likely varicocele
100
Gonadal Lymphatic Drainage Ovary/ Testis
para-aortic LN
101
Lymphatic drainage of body of uterus/cervix/superior bladder
External iliac nodes
102
Lymphatic drainage of prostate/cervix/corpus cavernosum/ proximal vagina
internal iliac nodes
103
Lymphatic drainage of distal vaginal/ vulva/ scrotum/ distal anus
superficial inguinal nodes
104
Lymphatic drainage of glans penis
deep inguinal nodes
105
Infundibulopelvic L
connects ovaries to lateral pelvic wall contains ovarian vessels At risk of injury during ligation of ovarian vessels
106
Cardinal L
connects cervix to side wall of pelvis Contains uterine vessels Ureter at risk of injury during ligations of uterine vessels in hysterectomy
107
Round L of uterus
Connects uterine horn to labia majora
108
Broad L
Connect uterus, fallopian tubes, and ovaries to pelvic side wall Contains ovaries, fallopian tubes, round L of uterus Comprises of mesosalpinx, mesometrium and mesovarium
109
Ovarian L
Connect medial pole of ovary to uterine horn Derivative of gubernaculum Latches to lateral uterus
110
Adenxal torsion
twisting of ovary and fallopian tube around infundibulopelvic L and ovarian L --> compression of ovarian vessels --> block lymphatics and venous outflow --> ovarian edema --> complete block of arterial inflow --> necrosis Associated with ovarian masses Acute pelvic pain, adnexal mass, nausea and vomiting
111
Sperm pathway for ejaculation
``` Seminiferous tube Epididymis Vas deferens Ejaculatory ducts Urethra Penis ```
112
Anterior Urethral injury
Spongy urethra via perineal straddle injury Blood accumulates in scrotum Blood at urethral meatus and scrotal hematoma
113
Posterior urethral injury
membranous urethra via pelvic fracture urine leaks into retropubic space blood at the urethral meatus and high riding prostate
114
Autonomic innervation of male sexual response
Erection- PNS (pelvic splanchnic, S2-S4) NO --> increase cGMP --> vasodilate --> erection NE --> increase Ca2+ --> smooth M contraction --> vasoconstriction --> no erection Emission- SNS (hypogastric N T11-L2) Expulsion- visceral and somatic nerves (pudendal N)
115
Spermatogonia
maintain germ cell pool and produce primary spermatocytes Line seminiferous tubules Germ cells
116
Sertoli cells
secrete inhibin B --> inhibit FSH secrete androgen binding protein --> maintain testosterone Produce MIF Blood testis barrier Nourish spermatozoa High temp --> low sperm Testosterone -->androsterone --> estrogen via aromatase
117
Leydig Cells
Secrete testosterone in presence of LH unaffected by temperature Interstitium
118
Spermatogenesis
Begins at puberty with spermatagonia Full devlopment takes 2 months Occurs in seminiferous tubules --> spermatids --> loss of cytoplasmic contents --> spermatozoa
119
Tail mobility impaired sperm
ciliary dyskinesia or Kartagener syndrome | leads to infertility
120
Tail mobility in CF
normal but absent vas deferens leads to infertility
121
Estrogen source
ovary (17B estradiol), placental (estriol), adipose tissue (estrone) Estradiol > estrone > estriol
122
Estrogen Function
Develop genitalia and breast, female fat distribution Growth of follicle, endometrial proliferation, increased myometrial excitability Upregulate estrogen, LH, progesterone receptors Inhibited by FSH and LH stimulate prolactin secretion
123
Progesterone
source: corpus luteum, placenta, adrenal cortex, testes Prepare uterus for implantation of fertilized egg (luteal phase) - stimulate endometrial glandular secretions and spiral A development, produce thick mucus, prevent hyperplasia, increase body temp, decrease estrogen receptors, decrease LH and FSH During pregnancy- maintains pregnancy, decrease myometrial excitability, decrease prolactin action OVULATION
124
Oogenesis
Primary oocyte begin meiosis I (fetal life) and complete meiosis I prior to ovulation- arrested in prophase 1 for years Meiosis II arrested in metaphase II until fertilization (secondary oocyte) Degenerate with not fertilized
125
Ovulation
High estrogen, GnRH receptors on anterior pituitary --> LH surge --> ovulation increase temperature due to progesterone
126
Mittelschmerz
transient mid cycle ovulatory pain associated with peritoneal irritation Can mimic appendicitis
127
Menstrual cycle
Follicular phase vary in length. Luteal phase =14 days, ovulation day + 14 days = menstruation Follicular growth is fastest during 2nd week of follicular phase estrogen stimulates endometrial proliferation Progesterone maintains endometrium to support implantation decrease progesterone --> decrease fertility
128
Structural causes of abnormal uterine bleeding
Polyp Adenomyosis Leiomyoma Malignany/hyperplasia
129
Non structural causes of abnormal uterine bleeding
``` Coagulopathy Ovulatory Endometrial Iatrogenic Not classified ```
130
Most common place for fertilization
upper end of fallopian tubes
131
Pregnancy
fertilization within 1 day of ovulation Implant in uterus wall 6 days after fertilization- synctiotrophoblasts secrete hCG high GFR --> low BUN, low glucosuria threshold high CO --> high placental and uterus perfusion Anemia Hypercoagulability --> low blood loss hyperventilation increase lipolysis
132
hCG
source: synctiotrophoblasts of placenta maintain corpus luteum for 8-10 weeks (like LH) After 8-10 weeks placenta makes its own estriol and progesterone Identical a subunit as LH, FSH, TSH
133
increase in hCG
multiple gestations, hytidaform moles | choriocarcinoma, down syndrome
134
Decrease in hCG
ectopic/ failing pregnancy, edwards and patau syndrome
135
Human placental lactogen
source: synctiotrophoblasts of placenta stimulate insulin production overall increase insulin resistance gestational diabetes can occur if maternal pancreatic function cannot overcome the insulin resistance
136
APGAR score
assessment of newborn vital signs after delivery Appearance, Pulse, Grimace, Activity, Respiration <7 --> further eval if remains low --> increased risk the child will develop long term neuro damage
137
Low birth weight
<2500g caused by prematurity, intrauterine growth restriction Associated with increased risk of SIDS and increase overall mortality
138
Lactation
After delivery rapid decrease in progesterone disinhibits prolactin. Suckling required to maintain milk production and ejection Prolactin- induce and maintain lactation and decrease reproductive function Oxytocin- assists in milk letdown and uterine contraction
139
Breast milk contains...
maternal IgA, macrophages, lymphocytes Reduce infant infection and associated with low risk for child to develop asthma, allergies, DM, and obesity Decreased maternal risk of breast and ovarian cancer <6month infant
140
Menopause
amenorrhea for 12 months decrease estrogen production due to decline in number of ovarian follicles Earlier in smokers Preceded by 4-5 years of abnormal menstruation HIGH FH, LH and GnRH Hot flashes, atrophy of vagina, osteoporosis, CAD, sleep disturbance
141
Testosterone
``` testes differentiation of epididymis, vas deferens, seminal vesicles Growth spurt Deep voice close epiphyseal plates libido ```
142
DHT
testes early- differentiation of penis, scrotum, prostate Late- prostate growth, balding, sebaceous gland activity.
143
Androgenic steroid abuse
abuse of anabolic steroids to increase fat free mass, muscle strength and performance men with changes in behavior, ance, gynecomastia, high Hb and Hct, small testes Women- virilization, acne, breast atrophy, male pattern baldness
144
Tanner Stage 1
no sexual hair | Flat chest with raised nipple (female)
145
Tanner Stage 2
Pubic hair appears Testicular enlargement Breast bud forms, mound forms
146
Tanner Stage 3
Coarsening pubic hair Penis size and length increase Breast enlarges
147
Tanner Stage 4
Coarse hair across pubis sparing thighs penis width/ glas increase breast enlarge, raised areola, mound on mound
148
Tanner Stage 5
Coarse hair across pubis and medial thigh penis and testis enlarge to adult size Adult breast contour, areola flattens
149
Precocious puberty
Secondary sexual characteristics before age 8 in girls and 9 in boys High sex hormone exposure/ production --> increase linear growth, somatic and skeletal maturation
150
Central Precocious Puberty
high GnRH secretion | idiopathic, CNS tumors
151
Peripheral precocious Puberty
GnRH independent high sex hormone production or exposure, congenital adrenal hyperplasia, estrogen secreting ovarian tumor, Leydig cell tumor, McCune Albright syndrome
152
Klinefelter Syndrome
Male 47 XXY testicular atrophy, eunuchoid body shape, tall, long extremities, gynecomastia, female hair distribution Developmental delay Infertility Dysgenesis of seminiferous tubules --> low inhibin B --> high FSH Abnormal Leydig cell function --> low testosterone --> high LH --> high estrogen
153
Tuner Syndrome
``` Female 45 XO Short stature (SHOX gene), ovarian dysgenesis (streak ovary), shield chest, bicuspid aortic valve, coarctation of the aorta, lymphatic defects (webbed neck), horseshoe kidney primary amenorrhea Menopause before menarchy low estrogen --> high LH and FSH ```
154
Double Y males
47 XYY Phenotypically normal tall, normal fertility associated with severe acne, learning disability, autism
155
Ovotesticular disorder of Sex development
46 XX > 46 XY both ovarian and testicular tissue present, ambiguous genitalia hermaphroditism
156
46 XX DSD
Ovaries present, external genitalia are virilized or ambiguous Excessive inappropriate exposure to androgenic steroids in early gestation
157
46 XY DSD
Testes present but external genitalia are female or ambiguous via androgen insensitivity syndrome
158
Placental Aromatase Deficiency
inability to synthesize estrogens from androgens. Masculinization of female high serum testosterone and androstenedione Maternal virilization during pregnancy
159
Androgen insensitivity Syndrome
Defect in androgen receptor resulting in normal appearing female female external genitalia with scant axillary and pubic hair, rudimentary vagina, uterus and fallopian tubes absent Normal functioning testes high testosterone, estrogen and LH
160
5a reductase deficiency
AR males inability to convert testosterone to DHT ambiguous genitalia until puberty testosterone and estrogen normal, LH is normal or high, internal genitalia normal
161
Kallmann Syndrome
``` Failure to complete puberty Hypogonadotropic hypogonadism Defective migration of neurons and subsequent failure of olfactory bulbs to develop low GnRH FHS LH testosterone infertility ```
162
Abruptio placentae
premature separation of placenta from uterine wall before delivery. Risk factors- trauma, smoking, HTN, preeclampsia, cocaine abuse abrupt, painful bleeding in third trimester, possible DIC, maternal shock, fetal distress
163
Morbidly adherent placenta
defective decidual layer --> abnormal attachment and separation after delivery. Risk factors- prior C section or uterine surgery Detected US prior to delivery complications: sheehans
164
Placenta accreta
Morbidly adherent placenta placenta attaches to myometrium without penetrating it MOST COMMON
165
Placenta increta
Morbidly adherent placenta | placenta penetrates into myometrium
166
Placenta percreta
Morbidly adherent placenta | placenta penetrates through myometrium and into uterine serosa --> placental attachment to rectum or bladder
167
Placenta previa
attachment of placenta over internal cervical os. Risk: multiparity, prior C section Associated with painless third trimester bleeding
168
Vasa previa
fetal vessels run over cervical os --> vessel rupture, exsanguination, fetal death Membrane rupture, painless vaginal bleeding, fetal brady EMERGENCY C SECTION Associated with velamentous umbilical cord insertion
169
Pospartum Hemorrhage
``` low tone of uterus Trauma Coagulopathy Retained products of conception T(x): uterine massage, oxytocin, surgical ligation of uterine or internal iliac A ```
170
Ectopic pregnancy
implant of fertilized ovum in a site other than uterus (ampulla) Suspect with history of amenorrhea, lower than expected hCG, sudden lower ab pain confirm with US Risk factors: prior ectopic preg, history of infertility, salpingitis, ruptured appendix, prior tubal surgery, smoking, advanced maternal age
171
Polyhydramnios
too much amniotic fluid idiopathic Associated with fetal malformations (esophageal atresia, anencephaly), maternal DM, fetal anemia, multiple gestations
172
Oligohydramnios
too little amniotic fluid Associated with placental insufficiency, bilateral renal agenesis, posterior urethral valves. Cause potter sequence
173
Hydatidiform mole
Cystic swelling of chorionic villi and proliferation of chorionic epithelium Presents with vaginal bleeding, emesis, uterine enlargement, pelvic pressure Associated with hCG mediated sequelae- early pre-eclampsia, theca lutein cysts, hyperemesis gavidaram, hyperthyroidism
174
Complete mole
``` 46 XX 46 XY enucleated egg + single sperm Hydropic villi, circumferential and diffuse trophoblastic proliferation No fetal parts (-) p57 protein increase uterine size HIGH hCG honeycombed uterus ```
175
Partial mole
``` 69 XXX, 69 XXY, 69 XYY 2 sperm + 1 egg some vili are hydropic, focal trophoblastic proliferation Yes fetal parts (+) p57 protein increased hCG ```
176
Choriocarcinoma
rare can develop during or after pregnancy in mom or baby Malignancy of trophoblastic tissue no choionic villi present, high frequency of bilateral theca lutein cysts high hCG, SOB, hemoptysis Hematogenous spread to lungs T(x): MTX
177
Gestational HTN
BP > 140/90 after 20th week no pre-existing HTN No proteinuria or end organ damage T(x): Hydralazine, a methyldopa, labetolol, Nifedipine
178
Pre ecalmpsia
New onset HTN with proteinuria or end organ damage after 20th week Caused by abnormal placental spiral A --> endothelial dysfunction, vasoconstriction, ischemia Increased incidence in patients with pre-existing HTN, DM, CKD, autoimmune disorders, >40years Complications: placental abruption, coagulopathy, renal failure, pulmonary edema, T(x): anti- HTN and IV Mg
179
Eclampsia
preeclampsia + maternal seizures Maternal death due to stroke, intracranial hemorrhage or ARDS T(x): immediate delivery
180
Gynecologic tumor
Endometrial > ovarian > cervical | Prognosis: cervical > endometrial > ovarian
181
Bartholin cyst and abscess
Non neoplastic via blockage of batholin gland duct --> accumulation of fluid May lead to abscess Reproductive age females
182
Lichen sclerosus
Non neoplastic thinning of epidermis with fibrosis/sclerosis of dermis Presents with porcelain white plaques with red/violet border Skin fragility with erosions can be observed Most common in postmenopausal women slight increase risk of SCC`
183
Lichen simplex chronicus
Non neoplastic Hyperplasia of vulvar squamous epithelium leathery, thick skin with enhanced skin markings due to chronic rubbing or scratching
184
Vulvar Carcinoma
Squamous epithelium linking vulva leukoplakia HPV 16 and 18 Risk: multiple partners, early coitarche
185
Extramammary Paget Disease
Intraepithelial adenocarcinoma CIS- low risk of underlying carcinoma Pruritis, erythema, ulcers
186
Imperforate Hymen
incomplete degeneration of central portion of hymen Accumulation of vaginal mucus at birth --> self resolving bulge in introitus untreated --> primary amenorrhea, cyclic ab pain, hematocolpos
187
Vaginal SCC
secondary to cervical SCC
188
Clear cell adenocarcinoma
women exposed to DES in utero
189
Sarcoma botryoides
embryonal rhabdomyosarcoma variant Affects girls <4 years spindle shaped cells desmin + clear grape like polypoid mass emerging from vagina
190
Cervical dysplasia and CIS
disordered epithelial growth - basal layer of squamocolumnar junction and extends out Associated with HPV 16 and 18 Koilocytes asymptomatic or abnormal vaginal bleeding Risk: multiple sexual partners, HPV, smoking, early coitarche, DES exposure, immunocompromise
191
Cervical Invasive Carcinoma
SCC pap smear can detect dysplasia Lateral invasion can block ureters --> hydronephrosis --> renal failure
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Primary ovarian insufficiency
premature ovarian failure Premature atresia of ovarian follicles in women of reproductive age. Idiopathic associated with chromosomal abnormalities, autoimmunity Need karyotype screening patients present with signs of menopause after puberty but before age of 40 low estrogen, high LH and FSH
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Most common cause of anovolulation
pregnancy, polycystic ovarian syndrome, obesity, HPO axis abnormalities, premature ovarian failure, hyperprolactinemia, thyroid disease, eating disorder, competitive athletics, cushing, adrenal insufficiency, Turners
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Functional hypothalamic amenorrhea
Severe caloric restriction, high energy expenditure, stress --> functional disruption of pulsatile GnRH --> low LH and FSH, estrogen. Low leptin and high cortisol Associated with eating disorders and female athlete
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PCOS
Hyperinsulinemia/ insulin resistance alter hypothalamic hormonal feedback response --> high LH:FSH, high androgens low fertility in women Enlarged BILATERAL cystic ovaries Amenorrhea, hirsutisn, acne Associated with obesity, acanthosis nigricans Increased risk of endometrial cancer T(x): weight reduction, OCPs, clomiphene, spironolactone, finasteride, flutamide
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Primary dysmenorrhea
painful menses caused by uterine contraction to decrease blood loss --> ischemic pain Mediated by prostaglandins T(x): NSAIDs
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Follicular cyst
Distention of unruptured Grafian follicle May be associated with hyperestrogenemia, endometrial hyperplasia Most common in young women
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Theca lutein cyst
bilateral/multiple Due to gonadotropin stimulation Associated with choriocarcinoma and hydatidiform moles
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Ovarian Neoplasms
Adnexal mass in >55 years Ab distention, bowel obstruction, pleural effusion Risk increase with age, infertility, endometriosis, PCOS, genetic (BRCA1/2) Risk decrease with previous pregnancy, Hx breastfeeding, OCPs, tubal ligation Epithelial = (more serious) bilateral, lined with serous or mucinous epithelium. CA125 Germ cell tumors --> somatic structure or extra embryonic Sex cord tumors --> embryonal sex cord
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Serous cystadenoma
Epithelial Benign Most common
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Serous cystadenocarcinoma
Epithelium Malignancy Most common Psammoma bodies
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Mucinous cystadenoma
Epithelial Benign Multiloculated, large lined by mucous secreting epithelium
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Mucinous Cystadenocarcinoma
``` Malignancy Rare Epithelial Metastasize from appendiceal or GI Pseudomyoma peritonei ```
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Brenner Tumor
Epithelial Benign solid, pale yellow tan tumor that is encapsulated Coffee bean nuclei
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Dysgerminoma
``` Germ cell tumor Malignant most common in adolescents Sheets of uniform fried egg cells increase hCG, LDH ```
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Mature cystic teratoma
Germ cell tumor Benign Most common in young females cystic mass with elements of all 3 germ layers May be painful secondary to ovarian enlargement/torsion
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Immature Teratoma
``` Germ cell tumor Malignant, aggressive contains fetal tissue, neuroectoderm <20 years immature, embryonic like neural tissue ```
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Yolk sac tumor
``` Malignant Germ cell tumor in ovaries and sacrococcygeal area in children yellow, firable mass Schiller Duval bodies high AFP ```
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Thecoma
Benign Sex cord stromal tumor may produce estrogen abnormal uterine bleeding in postemenopausal women
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Granulosa cell tumor
``` Sex cord stromal tumor Malignant Women in 50s produce estrogen/ progesterone postmenopausal bleeding, endometrial hyperplasia, sexual precocity, breast tenderness Call Exner bodies ```
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Sertoli Leydig cell tumor
Sex cord stromal tumor Benign small grey to yellow broun mass produce estrogen --> virilization
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Fibromas
``` Sex cord stromal tumor Benign bundles of spindle shaped fibroblasts Meigs syndrome (ovarian fibroma, ascites, pleural effusion) pulling sensation in groin ```
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Adenomyosis
Extension of endometrial tissue into uterine myometrium via hyperplasia of basal layer of endometrium dysmenorrhea, AUB/HMB, enlarged, soft globular uterus T(x): GnRH antagonists, hysterectomy, excision of an organized adenomyoma
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Asherman syndrome
Adhesions and/or fibrosis of the endometrium low fertility, recurrent pregnancy loss, AUB, pelvic pain Associated with dilation and curettage of intrauterine cavity
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Endometrial hyperplasia
abnormal enodmetrial gland proliferation stimulated by excess estrogen High risk of endometrial carcinoma Postmenopausal vaginal bleeding, high risk of anovulatory cycles, hormone replacement therapy, PCOS, granulosa cell tumors
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Endometriosis
Endometrium like glands/stroma outside endometrial cavity May be due to retrograde flow, metaplastic transformation of multipotent cells, transportations of endometrial tissue via lymphatic system Cyclic pelvic pain, bleeding, dysmenorrhea, dysparemia, dyschezia, infertility, normal sized uterus T(x): NSAIDs, OCPs, progestin, GnRH agonists, danazol, laparoscopic removal.
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Endometritis
Inflammation associated with retained products of conception after delivery, miscarriage, abortion or with foreign body Chronic = plasma cells on histo T(x): gentamicin, clindamycin, ampicillin
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Endometrial Carcinoma
Irregular vaginal bleeding Endmetrioid: unopposed estrogen exposure due to obesity, early menarche, late menopause, nulliparity. Abnormally arranged endometrial glands. loss of PTEN or mismatch repair proteins Serous: associated with endometrial atrophy in postmenopausal women. Aggressive, Psammoma bodies. Formation of papillae and tufts
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Leiomyoma
multiple discrete tumors high incidence in AA benign smooth muscle tumor, malignant transformation is rare Estrogen sensitive- tumor size increase in pregnancy and decrease with menopause 20-40 Asymptomatic, AUB or miscarriage Severe bleeding --> Fe deficient anemia Whorled pattern of smooth muscle bundles with borders
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Leiomyosarcoma
Malignant proliferation of smooth muscle arising from myometrium Arises de novo postmenopausal women single lesion with area of necrosis
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Fibrocystic changes in Breast
Postmenopausal women 20-50 years premenstrual breast pain or lumps, bilateral or mulifocal Nonproliferatice lesions (simple cysts, papillary apocrine, stromal fibrosis) risk of cancer not increased
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Sclerosing stroma
Fibrocystic changes in Breast acini and stromal fibrosis associated with calcifications slight increase risk for cancer
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Eptithelial Hyperplasia
Fibrocystic changes in Breast cells in terminal ductal or lobular epithelium increase risk of carcinoma with atypical cells
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Inflammatory Breast Disease
Fat necrosis: benign, usually painless, lump due to injury to breast tissue. Calcified oil cyst on mammography, necrotic fat and giant cells on biopsy Lactational mastitis: during breast feeing, increased risk of bacterial infection through cracks in nipple (s. aureus) T(x) Abx and continue breastfeeding
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Breast Fibroadenoma
``` <35 Benign small well defined mobile mass Fibrous tissue and glands increased size and tenderness with high estrogen ```
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Breast intraductal papilloma
Benign small fibroepithelial tumor within lactiferous ducts, beneath areola nipple discharge
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Phyllodes Tumor Breast
Benign large mass of connective tissue and cyst with leaf like lobulations 5th decade May become malignant
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Gynecomastia
Breast enlargement in males due to high estrogen. Physiologic in newborn, pubertal and elderly cirrhosis, hypogonadism and drugs also cause
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Breast cancer
Postmenopausal palpable hard mass in upper outer quadrant can be fixed to pectoral M, deep fascia, Cooper L and skin --> nipple retraction/ skin dimpling HER2 overexpression increase risk with age, Hx atypical hyperplasia, FMHx, white, BRCA1/2 mutation, high estrogen exposure, postmenopausal obesity, high total number of menstrual cycles, no breastfeeding, alcohol Men: BRA 2 mutation, Klinefelter Axillary LN metastasis is prognostic factor
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Ductal carcinoma in situ
Fills ductal lumen Arise from ductal atypia microcalcifications on mammography
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Comedocarcinoma
subtype of ductal CIS | Cells have high grade nuclei with extensive central necrosis and dystrophic calcifications.
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Paget Disease
``` Extension of DCIS/ invasive breast cancer up the lactiferous ducts and into the contiguous skin of nipple--> eczematous patches over nipple and areolar skin Paget cells (intraepithelial adenocarcinoma cells ```
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Lobular CIS
low E- cadherin expression No mass or calcifications --> incidental biopsy finding increased risk of cancer in either breast
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Invasive ductal carcinoma Breast
Firm, fibrous, rock hard mass with sharp margins and small glandular duct like cells in desmoplastic stroma
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Invasive lobular Carcinoma Breast
low E cadherin expression --> orderly row of cells and no duct formation bilateral with multiple lesions in the same location
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Medullary Invasive Carcinoma Breast
large, anaplastic cells growing in sheets with associated lymphocytes and plasma cells well circumscribed tumor
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Inflammatory invasive carcinoma breast
Dermal lymphatic space invasion --> breast pain with warm, swollen, erythematous skin around exaggerated hair follicles, peau d'orange poor prognosis lack palpable mass
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Peyronie Disease
Abnormal curvature of penis due to fibrous plaque within tunica albicans Cause pain and anxiety Surgical repair or treat with collagenase injections
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Ischemic priapism
painful sustained erection lasting >4 hours Associated with SCD, meds Treat immediately with corporal aspiration, intracavernosal phenylephrine, surgical decompression
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SCC of penis
Precursor in situ lesion: Bowen disease (leukoplakia), erythroplasia of Queyrate, Bowenoid papulosis Associated with uncircumscribed males and HPV
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Cyptorchidism
Descent failure of one or both testes impaired spermatogenesis, can have normal testosterone associated with high risk of germ cell tumors Prematurity increase risk low inhibin B, high FSH and LH, low testosterone in bilateral resolve spontaneously or orchiopexy before 2 years
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Testicular torsion
rotation of testicle around spermatic cord and vascular pedicle 12-18 years occur after inciting event acute, severe pain, high riding testis and absent cremasteric reflex T(x): surgery within 6 hours, manual detorsion
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Varicocele
Dilated veins in pampiniform plexus due to high venous pressure scrotal enlargement left side more often due to increase resistance from L gonadal vein drainage into L renal V can cause infertility due to high temp Bag of worms T(x): surgical ligation or embolization
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Extragonadal germ cell tumor
Arise midline retroperitoneum, mediastinum, pineal and suprasellar regions (adults) sacrococcydeal teratoma (children)
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Scrotal masses
benign scrotal lesion present as testicular masses that can be transilluminated
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Congenital hydrocele
incomplete obliteration of processus vaginalis | spontaneously resolve within 1 year
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Acquired hydrocele
Scrotal fluid collection usually secondary to infection, trauma, tumor
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Spermatocele
cyst due to dilated epididymal duct or rete testis | Paratesticular fluctuant nodule.
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Testicular tumors
Germ cell tumors (that produce sperm) young men increase risk with cryptorchidism, Klinefelter Does NOT transilluminate Sex Cord stromal tumors develop from embryonic sex cord. Benign
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Seminoma
Germ Cell Tumor Malignant painless, homogenous testicular enlargement. Large cells in lobules with watery cytoplasm and fried egg appearance high ALP Radiosensitive GREAT PROGNOSIS
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Teratoma Testicular
Germ cell tumor may be malignant Benign in children
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Testicular Embryonal Carcinoma
``` Germ cell tumor malignant painful hemorrhagic mass with necrosis high hCG, normal AFP Worse prognosis than seminoma ```
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Yolk sac tumor Testicular
``` Germ Cell Tumor Malignant aggressive yellpw, mucinous Schiller Duval bodies high AFP <3 years ```
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Choriocarcinoma
``` Germ cell tumor Malignant Disordered synctiotrophoblastic and cytotrophoblastic elements Hematogenous spread to lungs and brain high hCG ```
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Sertoli cell tumor
Benign | androblastoma from sex cord and stroma
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Leydig cell tumor
Benign golden brown, contains Reinke crystals produce androgens or estrogens --> gynecomastia in men, precocious puberty in boys
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Testicular lymphoma
malignant older men arises from metastatic lymphoma in testes
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Organisms that cause epididymitis and orchitis
C trachomatis, N gonorrhea (young men) E coli and Pseudomonas (elderly, UTI, BPH) Autoimmune
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Epididymitis
inflammation localized pain and tenderness over posterior testis Prehn sign +
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Orchitis
testicular pain and swelling | mumps orchitis increase infertility risk
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BPH
>50 smooth elastic firm nodular enlargement of periurethral lobes --> compress urethra into vertical slit increase frequency, nocturia, difficulty starting and stopping urine May lead to distention and hypertrophy of bladder, hydronephrosis, UTI, high PSA T(x): a1 antagonisms, 5a reductase inhibitors, PDE5 inhibitor
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Prostatitis
Dysuria, frequency, low back pain Warm tender enlarged prostate Acute bacterial: old men, E coli. young men, C trachomatis, N gonorrheae Chronic- bacterial or nonbacterial,
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Prostatic adenocarcinoma
>50 posterior lobe of prostate gland high PSA osteoblastic metastases in bone and high ALP in late stage Metastasis to spine via Batson venous Plexus
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Goserelin, leuprolide
``` GnRH analogs (pulsatile --> GnRH agonist, continuous --> GnRH antagonist) Used in uterine fibroids, endometriosis, precocious puberty, prostate cancer, infertility. Adverse: hypogonadism, decreased libido, ED, nausea and vomiting ```
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Degarelix
GnRH antagonist use for Prostate cancer Adverse: Hot flashes, liver tox
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Estrogens
Ethinyl estradiol, DES, mestranol Bind estrogen receptors use in hypogonadism or ovarian failure, menstrual abnormalities, hormone replacement in postmen Adverse: increase risk of endometrial cancer, bleeding in postmen. clear cell adenocarcinoma of vagina, increase risk thrombi contra: ER + breast cancer, Hx DVT, tobacco >35 year old.
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Clomiphene
Antagonist of estrogen receptor in hypothalamus Prevent normal feedback inhibition and increase LH and FSH --> ovulation Used to treat infertility due to anovulation Cause hot flashes, ovarian enlargement, multiple simultaneous pregnancies, visual disturbances
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Tamoxifen
Antagonist of estrogen at breast and agonist at bone and uterus increase risk of thromboembolic event and endometrial cancer used to treat and prevent recurrence of ER/PR + breast cancer
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Raloxifene
Antagonist of estrogen at breast, uterus and agonist at bone increase risk of thromboembolic event treat osteoporosis
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Aromatase inhibitors
Anastrozole, letrozole, exemestane Inhibit peripheral conversion of androgens to estrogen used in ER + breast cancer in postmen
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Hormone Replacement Therapy
Used for relief or prevention of menopausal symptoms, osteoporosis Unopposed estrogen replacement therapy increase risk of endometrial cancer, progesterone is added. increased CV risk
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Progestins
Levonorgestrel, medroxyprogesterone, etonogestrel, norethindonre, megestrol Bind progesterone receptor, decrease growth and increase vascularization of endometrium, thicken cervical mucus Use for contraception , endometiral cancer, abnormal uterine bleeding, chronic anolvulation without estrogen
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Antiprogestins
Mifepristone, ulipristal Competitive inhibitor Used to terminate pregnancy, emergency contraceptive
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Combine contraception
Progestins and ethinyl estradiol Estrogen and progestins inhibit Lh/FSH --> prevent estrogen surge --> no ovulation Progestins --> thicken cervical mucus and inhibit endometrial proliferation --> limit sperm access and implantation of embryo Adverse: menstrual bleeding, breast tenderness, VTE, hepatic adenoma Contra: smokes > 35 years, CV disease, breast cancer, liver disease
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Copper intrauterine device
produce local inflammatory reaction toxic to sperm and ova, prevent fertilization and implantation, hormone free used for long lasting reversible contraception, most effective emergency contraception Adverse: heavy menses, dysmenorrhea, risk of PID with insertion
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Tocolytics
medication that relax the uterus Terbutaline, nifedipine, indomethacin used to decrease contraction frequency in preterm labor and allow time for administration of steroids
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Danazol
Synthetic androgen that acts as partial agonist at androgen receptor used for endometriosis, hereditary angioedema Adverse: weight gain, edema, acne, hirsutism, masculinization, low HDL, hepatotox, idiopathic intracranial HTN
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Testosterone, methyltestosterone
Agonist at androgen receptor Treat hypogonadism and promote secondary sex characteristics, stimulate anabolism to promote recovery after burn Adverse: masculinization, low intratesticular testosterone --> gonadal atrophy. Premature closure of epiphyseal plates. High LDL, low HDL
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Finasteride
Antiandrogen 5a reductase inhibitor used for BPH and male pattern baldness Adverse: gynecomastia and sexual dysfunction
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Flutamine, bicalutamide, apalutamide, enzalutamide
nonsteroidal competitive inhibitor at androgen receptor | used for prostate carcinoma
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Ketoconazole
Inhibit steroid synthesis
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Spironolactone
inhibit steroid binding
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Tamsulosin
a1 antagonist used to treat BPHby inhibiting smooth M contraction Selective a1A/D receptors
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Minoxidil
Direct arteriolar vasodilator | used for Androgenetic alopecia , severe refractory HTN