Bowel cancer Flashcards
What are RFs for bowel cancer?
FHx
Familial adenomatous polyposis
Hereditary nonpolyposis colorectal cancer
IBD
Increased age
Diet
Obesity and sedentary lifestyle
smoking
Alcohol
How is familial adenomatous polyposis inherited?
Autosomal dominant
What is familial adenomatous polyposis?
Lot of polyps in large intestine that have the potential to become cancerousHow
How is familial adenomatous polyposis managed?
Entire large intestine removed prophylactically
How is HNPCC inherited?
autosomal dominant
What red flags should make you consider bowel cancer?
Change in bowel habit
Weight loss
Rectal bleeding
Unexplained abdominal pain
IDA
Abdo or rectal mass on exam
Who should have 2WW?
> 40 years with abdo pain and unexplained weight loss
50 years with unexplained rectal bleeding
60 years with a change in bowel habit or IDA
When is the FIT done ROUTINELY?
60 to 74 years every 2 years
What happens if some has a. FIT positive test?
Colonoscopy
What is the gold standard investigation?
Colonoscopy
what is the alternative investigation if they aren’t fit enough for a colonoscopy?
CT colonography
wHat is the tumour marker for bowel cancer?
Carcinoembryonic antigen - CEA
How is bowel cancer staged?
tnm
What does a right hemicolectomy involve removal of ?
Caecum, ascending and proximal transverse colon
What does a left hemicolectomy involve removal of ?
Sigmoid colon
