Uterine Pathology Flashcards
At what age does endometrial carcinoma incidence peak?
50-60 y/o
Endometrial cancer is extremely uncommon in women aged under __?
40
What are Type 1 endometrial carcinomas?
Endometroid and mucinous
80% of endometrial carcinomas are Type __?
Type 1
What three genes are often associated with endometrial carcinoma’s (type 1)
PTEN
KRAS
PIK3CA
Where do type 1 endometrial cancers typically infiltrate?
The myometrium
Usually confined to the uterus at presentation
What phenotype of endometrial cancers have a really good prognosis and why?
Mucinous phenotype
Often discovered at grade 1
What is the standard treatment/management for Type 1 endometrial carcinomas
Surgery
- Hysterectomy
Adjuvant chemo/radiotherapy may be included
When is a hysterectomy not appropriate for Type 1 Endometrial carcinoma/s
If the tumour has invaded the serosa
What is a known risk factor for endometrial carcinomas and why?
Obesity
Inflammatory effect of unopposed oestrogen on the adipose tissue
What hormone is strongly associated with endometrial carcinomas?
Oestrogen
What DNA feature should you look for in Type 1 endometrial carcinomas
Microsatellite instability
What impact does obesity have on insulin action?
Insulin binding globulins lowered
Free insulin levels increase
What impact does insulin-like growth factors (IGF) have on the endometrium
Proliferative effect
What is another name for Hereditary Non-Polyposis Colorectal Cancer
Lynch Syndrome