benign uterine masses part 1 Flashcards

(46 cards)

1
Q

what are the most common benign lesions of the uterus ?

A

leiomyomata/fibroids

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2
Q

what are other terms that mean leiomyomata ?

A

fibriods
fibromyomata
myomata

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3
Q

what is the etiology of fibroids ?

A

hyperestrinism
growth factors
genetic factors

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4
Q

what hormone is responsible for the growth of fibroids ?

A

oestrogen

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5
Q

what are fibrioids commonly associated with ?

A

endometrial hyperplasia

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6
Q

when do we most commonly see fibroids in women ?

A

in their child bearing period ( reproductive age zay el endometriosis ) , they cannot exist before puberty or after menopause

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7
Q

what are the risk factors for leiomyomata ?

A

nulliparity ( never given birth)
obesity
positive family history
racial factor ( more common in black african women)

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8
Q

why are women who have not given birth more liable to get fibroids ?

A

due to increased levels of oestradiol

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9
Q

what are the different sites of fibroids ?

A

corporeal fibroid
cervical fibroid
broad ligament fibroid

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10
Q

what are the types fibroids ?

A
interstitial myomata 
subserosa myomata 
submucosa myomata ( diagnosed by saline infusion sonography)
pedunculated SSM 
submucous fibroid polyp
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11
Q

what is the pattern with
corporeal fibroids
submucosa fibroid polyp
cervical and broad ligament fibroids

A

corporeal fibroids - multiple
submucosa fibroid polyp - single
cervical and broad ligament fibroids- single

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12
Q

why is the cut section of the fibroid paler than the myometrium ?

A

due to poor vascularity

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13
Q

what is the nature of the fibroid capsule ?

A

a pseudo capsule of compressed normal myometrium

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14
Q

what are the pathological changes in fibroids ?

A
atrophy 
hyaline degeneration 
cystic degeneration 
fatty degeneration 
calcification 
red degeneration 
necrosis 
infection 
vascular changes 
malignant changes
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15
Q

why does atrophy happen in fibroids ?

A

due to diminished vascularity

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16
Q

when do atrophic changes in fibroids happen ?

A

after menopause and during the post partum period

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17
Q

what is the most common change in fibroids ?

A

hyaline degeneration

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18
Q

how does cystic degeneration happen ?

A

due to absorption of liquified hyaline material

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19
Q

what are the different forms that calcifications can take in fibroids?

A

peripheral calcification - egg shell

diffuse calcification - womb stone

20
Q

how can calcifications in fibroids be detected ?

21
Q

what is red degeneration ?

A

hemorrhagic infarction of the uterine leiomyoma (incomplete necrosis)

22
Q

what is another term for red degeneration ?

23
Q

when does red degeneration more commonly happen ?

A

during pregnancy

24
Q

what is a common present is the most common presentation with red degeneration ?

A

fishy odours
sudden severe abdominal pain
fever
vomiting

25
what are the changes that may happen after torsion of a fibroid ?
``` vascular changes ( oedema and congestion) necrosis ```
26
what are the malignant changes in fibroids ?
leiomyosarcoma
27
when do we clinically suspect a leiomyosarcoma ?
fibroids presenting with postmenopausal bleeding rapid increase in size of myoma rapid recurrence after myomectomy post-menopausal growth of a pre-existing fibroid
28
what is the effect of fibroids on the uterus ?
myometrium shows increased vascularity uterine cavity is enlarged uterus may be displaced in position
29
what are the associated conditions with fibroids ?
endometrial and myometrial hyperplasia endometriosis adenomyosis endometrial carcinoma
30
what is the effect of fibroids on the urethra ?
ureteric compression | lateral displacement of the ureter
31
what are the features of a typical patient who may be suffering from a fibroid ?
a nulliparous 25-45 year old woman usually asymptomatic
32
what are the symptoms associated with symptomizing fibroids ?
``` menstrual symptoms pressure symptoms pain infertility leucorrhea abdominal mass pregnancy complications general symptom od anemia ```
33
what are the menstrual symptoms associated with symptomizing fibroids ?
menorrhagia metrorrhagia polymenorrhea
34
what are the pressure symptoms associated with symptomizing fibroids ?
urinary frequency and incontinence loin pain due to ureteric compression pressure on pelvic veins causing LL oedema pressure on pelvic nerves
35
when is pain associated with fibroids ?
painless until complicated
36
what are the causes of infertility in fibroids ?
``` uncommon but interference with implantation tubal obstruction interference with ascent of sperm associated conditions ( salpingoophoritis ) ```
37
what does a fibroid look like on clinical examination ?
central suprapubic mass firm in consistency moveable from one side to the other
38
what are the indications to operate on a symptomless fibroid ?
no symptoms no treatment unless the patient is : pregnant more than 14 weeks pedunculated subserous fibroid or under any suspicion of malignancy
39
when is medical treatment indicated ?
menorrhagia with a pregnant uterus less than 12 weeks | with the aim to control the menorrhagia
40
what medications are used for the management of fibroids ?
``` progestins, danazol and anti-progesterone LHRH agonists ( leuprolide acetate) ```
41
what is the definitive surgical management of fibroids ?
hysterectomy
42
what is the non definitive surgical management of fibroids that can be used to maintain fertility ?
myomectomy
43
what are the contraindications to a myomectomy ?
after menopause or in premenopausal women during pregnancy at CS suspicion of sarcomatous change
44
when do we perform a vaginal myomectomy ?
in fibroid polyp
45
what are the symptoms of cervical fibroids ?
they have no effect of menstrual function but may present with pressure symptoms
46
what type of surgery can be used for a small myomata within the cavity ?
Hysteroscopic Myomectomy