Uterine Pathology Flashcards
(38 cards)
What are the phases of the uterine cycle?
menstrual phase; prolfierative phase; secretory phase
When is the proliferative phase?
days 1-14
When is the secretory phase?
days 16-28
When is the menstrual phase?
days 1-3
What is the main hormone in the proliferative phase?
oestrogen
What is the main hormone in the secretory phase?
progesterone
What is decidualisation?
changes that happen to endometrial cells to prepare for pregnancy
What hormone is involved in decidualisation?
hCG
What is ppost-menopausal bleeding?
abnormal uterine bleeding >1 year after cessation of menstruation
What are the causes of abnormal uterine bleeding in early repro life?
DUB usually due to anovulatory cycles; pregnnacy/miscarriage; endometritis; bleeding disorders
What are the causes of AUB in reproductive life/perimenopause?
pregnancy/miscarriage;DUB-anovulatory cycles; luteal phase defects; endometritis; polyps; leiomyom; adenomyosis; exogenous hormone effects; hyperplasia
What are the causes of AUB post-menopause?
atrophy; endometrial polyp; exogenous hormones (HRT; tomaxifen); endometritis; bleeding disorders’ endometrial carcinoma
What is the indication for endometrial biopsy in postmenopausal women?
endometrial thickenss >4mm
What is the indication for endometrial biopsy in premenopausal women?
16mm
What are the methods of sampling the endometrium?
endometrial pipelle; dilatation and curretage
When is the least informative time for endometrial biopsy?
menstrual phase
What is dysfunctional uterine bleeding?
irregular uterine bleeding that reflects a disruption in the normal cyclic pattern of ovulatory hormonal stimulation to the endometrial lining- no organic cause
What is luteal phase deficiency?
insufficent progesterone or poor response by endometrium to progesterone. abnormal follicular development (inadeuqate FHS/LH)- poor corpus luteum
What is the most common cause of DUB?
anovulatory cycles
What happens in anovulatory cycles?
corpus luteum does not form; continued growth of functionalis layer
What are the endometrial causes of AUB?
endometritis; polyp; miscarriage
What are the myometrial causes of AUB??
adenomyosis; leiomyoma
What is the appearnace of endometritis histolofically?
abnormal pattern of inflammatory cells
What are the common microbes implicated in endometritis?
neisseria; chlamydia; TB; CMV; actinomyces; HSV