Benign conditions of the Uterus, Ovary and Fallopian Tubes Flashcards
1
Q
uterus and cervix- development
A
- upper vagina, cervix, uterus, fallopian tubes formed from mullerian (paramesonephric) ducts
- no Y chrom- no mullerian inhibiting substance- leads to development of paramesonephric system and regression of mesonephric system
- paramesonephric ducts arise at 6 wks- at 9 wks they fuse in midline and form uterovaginal primordium
- septum resolves later- leads to a single cervix and uterus
2
Q
failure of paramesonephric ducts to fuse can lead to
A
- uterus didelphysis- 2 separate uterine bodes with its own cervix, fallopian tube, and vagina
- bicornuate uterus w/ or w/o dbl cervix
3
Q
incomplete dissolution of midline fusion of paramesonephric ducts leads to
A
-septate uterus
4
Q
mullerian agenesis (MRKH syndrome)
A
- complete lack of development of paramesonephric system
- absence of uterus and most of vagina
5
Q
congenital anomalies of cervix
A
result of malfusion of paramesonephric ducts
- Didelphys cervix
- Septate cervix
6
Q
uterine and cervical anomalies- due to?
A
- spontaneous (mostly)
- DES- small T-shaped endometrial cavity; cervical collar deformity
7
Q
Uterine leiomyomas
A
(fibroids)
- benign tumors- smooth m cells of myometrium
- most common neoplasm of uterus!!!
- 70% of women have them by 50
- most asx
- if sx- uterine bleeding, pelvic pressure/pain, infertility- most common indication for hysterectomy
8
Q
Fibroids- risk factors
A
- inc age during reprod yrs
- Af Am- 2-3X
- nulliparity
- FH
9
Q
Fibroids- pathogenesis
A
- unknown factors
- rarely form b/f menarche or enlarge after menopause- estrogen stim prolif of smooth m cells
- 40% enlarge during pregnancy
10
Q
Fibroids- characteristics
A
- spherical, well circumscribed, white firm lesions w/ whirled appearance
- may degenerate and cause pain- during pregnancy, 10% undergo a painful red degeneration caused by bleeding into the tumor
- may calcify in postmenopausal pts
11
Q
Fibroids- types
A
- subserosal
- intramural- most common
- submucosal- heavy menstrual bleeding is common
- cervical
- intraligamentous
12
Q
fibroids- sx’s
A
- 80% are asx
- pelvic pain/pressure
- severe pain is not common (unless red degeneration/acute infarction)
- freq of urination
- prolonged/heavy bleeding- most common sx!!
- infertility
13
Q
fibroids- signs
A
- bimanual exam- enlarged, irregularly shaped uterus; palpated mass moves with cervix
- US- distinguish b/w adnexal masses and leiomyomas
14
Q
fibroids- diff dx
A
- ovarian neoplasms
- tubo-ovarian infl mass
- pelvic kidney
- bowel mass
- colon cancer
15
Q
fibroids- medical tx
A
- combo (estrogen, progesterone)- 1st option
- progesterone-only
- GnRH agonist- Depo-Lupron (dec fibroid size)
16
Q
fibroids- surgical tx
A
- myomectomy
- endometrial ablation (to dec menstrual flow)
- uterine a embolization (occlude the a feeding the fibroid)
- hysterectomy -definitive tx
17
Q
Myomectomy
A
- fibroids will often grow back
- if endometrial cavity is entered, future delivers must be c-section
- if an adequate amt of uterine tissue remains after- hysterectomy is warranted
18
Q
Endometrial polyps
A
- form from the endometrium- create soft friable protrusion into endometrial cavity
- menorrhagia, spontaneous, or post menopausal bleeding
- US- focal thickening of endometrial stripe- saline hysterosonography and hysteroscopy for better detection
- most are benign hyperplastic masses- need to remove with hysteroscopy- endometrial hyperplasia and carcinoma may also present as polyps
19
Q
Nabothian cervical cyst
A
- appear opaque with a yellowish/bluish hue
- result from squamous metaplasia- a layer of superficial squamous epit cells entrap a layer of columnar cells- columnar cells continue to secrete mucus