Colorectal cancer Flashcards
Type of cancer in colorectal cancer
Adenocarcinoma
Symptoms of LHS cancer
- bleeding PR
- mass PR
- altered bowels
- tenesmus
Symptoms of RHS cancer
- — weight
- — Hb
- abdo pain
- tired
Genes associated with colorectal cancer
- KRAS
- P53
- FAP
- HNPCC (lynch)
- APC
Infection of what bacteria is a RF for colorectal cancer
Strep bovis
Other RFs typical for bowel disease
Criteria for 2-week referral for >40
- abdo pain
- unexplained weight loss
Criteria for 2-week referral for >50
Unexplained rectal bleeding
Criteria for 2-week referral for >60
Change of bowel habits
2-week referral is always recommended in what deficiency
Iron deficiency
genetic patterns of FAP & HNPCC
AD
How does FAP show as
Adenoma along large intestines
Lynch syndrome is a mutation in
MMR
Even though it increases the risk of cancer, does HNPCC form adenoma
No, cancer is independent
Gold standard Ix for colorectal cancer
Colonoscopy + biopsy
What is given to patients before CT colongraphy
Double contrast barium