13.4 - Endometrium and myometrium Flashcards
what is ashermann syndrome? how is it caused?
- secondary amenorrhea due to loss of the basalis and scarring
- aggressie D&C
what is the result of an anovulatory cycle?
estrogen-driven proliferative phase without a subsequent progesterone driven secretory phase
endometriosis involving the uterine myometrium is called _________________
adenomyosis
what is the most important predictor for progression to carcinoma in endometrial hyperplasia?
presence of cellular atypia:
- simple hyperplasia with atypia often progresses
- complex hyperplasia without atypia does not progress
what is the histology of hyperplasia-induced endometrial carcinoma?
endometrioid
in the sporadic pathway of endometrial carcinoma, carcinoma arises in a(n) __________ endometrium with no evident precursor lesion
atrophic
what is the histology of sporadic endometrial carcinoma?
serous with papillary structures, psammoma bodies
sporadic endometrial carcinoma is associated with what mutation?
p53
endometrial biopsy shows endometrioid histology - diagnosis?
hyperplasia-induced carcinoma
endometrial biopsy shows serous with papillary structures, psammoma bodies - what is the diagnosis and the mutation responsible?
- sporadic endometrial carcinoma
- p53
gross exam: multiple, well-defined, white, whorled masses that may distort the uterus and impinge on pelvic structures - diagnosis
leiomyoma (fibroid)