Ovaries Flashcards
Ovaries or testis by
7 weeks
Clinical signs of ovarian cancer
Abdominal pain Vaginal bleeding Nausea/Vomiting Increased abdominal girth (ascites) Inc CA125 (blood test) Diarrhea/GI symptoms
Ovary size
3 cm L adult
Volume 9.8cm Adult
Volume 3cm child
Volume 5.8cm post menopausal
Ovarian ligament
Inf ovary to uterine cornu
Infundibulopelvic ligament
Suspends superior ovary from post/lat pelvic wall
Mesovarium
Post surface of broad ligament
Ovarian layers
- Germinal epithelial: outer
- Fibrous capsule: tunica albuginea
- Ovarian parenchyma: cortex. Has follicles
- Central medulla
Graafan follicle reaches ___ before rupture
1.8-2.4cm
Mittelschermz
Pain with ovulation
Corpus Luteum
Supports pregnancy
If not pregnant becomes corpus albicans
Location
True pelvis
Ovarian fossa aka Waldeyer’s Fossa
Vessels
Adnexal branch of uterine artery
Ovarian artery
Ovarian vein: rt dumps to IVC, left dumps to lt renal vein to IVC
High resistance, early dicrotic notch
Abnl: < 1
Low resistance with cancer.
Functional Cyst
MC cause of ovarian enlargement
- Follicular
- Corpus Luteum after ovulation. Ring of fire. Unilateral. Makes progesterone.
- Hemorrhagic
- Theca-Lutein in molar preg. Inc hCG. Large. Bilateral. Septated.
Normal follicles 2.5 cm.
Regress
CDS fluid
Ovarian Remnant Syndrome
Take out ovary and residual tissue produces functional cyst.
Para ovarian cyst
Embryonic remnant. Separate from ovary.
Polycystic Ovaries
Endocrine disorder. LH/FSH ratio inc
Anovulatory.
Numerous small follicles that don’t mature. Displaced.
String of pearls
Assoc: Stein Leventhal Syndrome: infertility, oligomenorrhea, hirsutism:hairy, obese.
Ovarian Torsion
Ovary rotates cuts off blood supply Hemorrhage/infarction Pain fever palp mass Adolescence/children Assoc with adnexal mass
Enlg hypo ovary with little-no Doppler flow
Endometrioma / Chocolate Cyst
Localized endometriosis ectopic endo tissue
Homogeneous mass
Cystic Teratoma / Dermoid Cyst
MC germ cell tumor MC ovarian tumor Malignant degeneration rare Ca+, hair, fat, complex Tip of iceberg sign. Shadow
Serous cystadenoma
Post menopausal
Epithelial
2nd MC tumor
Large thin septations
Mucinous Cystadenoma
Less common
Very large 15-30cm
Multi septated, debri
Benner Tumor
Benign epithelial tumor
Rare
Fibroma
Benign stromal tumor
Rare
Post menopausal
Meig’s Syndrome
Fibroma & Brenners tumor cause it
Massive ascites
Pleural effusion