USMLE Step 2 CK Lecture Notes 2019: Obstetrics/Gynecology (Kaplan Test Prep)

(Kiana) #1

ENDOMETRIAL NEOPLASIA


POSTMENOPAUSAL BLEEDING


A   65-year-old patient complains   of  vaginal bleeding    for three   months. Her
last menstrual period was at age 52. She has not taken any hormone
replacement. She was diagnosed with type 2 diabetes 20 years ago and was
treated with oral hypoglycemic agents. She has chronic hypertension, for
which she is treated with oral antihypertensives. Her height is 62 inches and
weight 200 lb. Physical examination is normal with a normal-sized uterus
and no vulvar, vaginal, or cervical lesions.

Postmenopausal bleeding is any bleeding that occurs after menopause. A patient
is considered to be in menopause after 3 continuous months of cessation of
menses and elevated gonadotropins. Menopause usually occurs at around age






Endometrial carcinoma is the most common gynecologic malignancy (1% of
women), with age 61 the mean age at diagnosis. Lynch syndrome, an
autosomally dominant disease, accounts for 2–5% of all endometrial carcinoma
(mean age at diagnosis age 50). In women with Lynch, lifetime risk of
endometrial cancer is 10–20 times the general population.


There is no screening test.


The differential diagnosis of postmenopausal bleeding includes endometrial
carcinoma, vaginal or endometrial atrophy, and postmenopausal hormonal

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