uterine cancer Flashcards
what is endometrial cancer
most common cancer of female ganital tract
peak age 60-70 (postmenopausal women)
two types
1) endometriod adenocarcinomas that originate from endometrial hyperplaseo
2)tumor of non endometroid origin
cause of type 1 (endometroid adenocarcinomas)
long term estrogen exposure
RF
-NULLIPARITY
- early menarche and late menopause (increases estrogen exposure time)
- polycystic ovarian syndrome
- history of breast cancer]
- rx of breast cancer w/ tamoxifen
- lynch syndrome (hereditary nonpolyposis colorectal cancer)
- estrogen replacement therapy for menopause
etio of type 2(non endometroid tumors)
ESTROGEN INDEPENDDANT GENETIC PREDIPOSISH
factors with a protective effect against endometrial cancer
multiparity d/2 progesterone action in pregnancy
combined oral contraceptives (progesterone)
SMOKING? inhibs dysplasatic effect of estrogen
regular excercises increases androgen and reduces estrogen
soy diet ( contains progestin)
what is endometrial hyperplasia
excessive proliferation in the presence of increased estrogen stimulation
predisposed endometial cancer type 1
histology shows
-hyperplasia w/ or w/o nuclear atypia
dg
US: endometrial thickening
premenopause:
above 1cm
postmenopause:
over 5 cm
rx of endometrial hyperplasia
rx depends on age in relation to meno pause and the presence of atypia
pre meno
-w/o atypia: progestin therapy
w/ atypia: T
- TOTAL HYSTERECTOMY
- progestin therapy and close monitoring in women who wish to concieve
post meno
-w/o atypia: progestin therapy w/ follow up in 3-6 months
w/ atypia : hysterectomy w/ bilateral salpingoo[herectomy
sx of endometrial cancer
abnormal uterine bleeding. amount reduces as menopause progresses
- pre: menometrorrhagia
- post: spotting / staining
palvic pain in later stages
metastasis of endometrial cancer
local
- fallopian tube
- cervix
- vagina
lymhpgenic(late)
-pelvic & paraaorrtic LN
hematogenic
-lungs very rare in late stage
complications of endometrial cancer
Pyometra
def: purulent endoometrial infection
d/2 obs of ervical os by tumor and 2ndary hematoma
how is pyometra rx
dilation and drainage of cervical lumen
what is the main sx of endometrial cancer
bleeding sx
rx of Endometrial cancer
surgrical(post menopausal/ dont want kids)
-total hystterectomy(salpingoophorectomy)
medical(early stage)
- progestins
- radiotherapy
prognosis of endometrial cancer
depends on stage at dg
localized 90%
metastasized 20%
type 2: poor