Colorectal Cancer Flashcards
what percentage with rectal bleeding are diagnosed with colorectal cancer?
4%
investigation of choice for suspected colorectal cancer
Colonoscopy
-can be therapeutic as well as diagnostic
what is normally needed for colonoscopy, and what is essential (1 of each)
sedation normally
bowel prep essential
what is second standard investigation colorectal cancer suspect, and why would it be used
CT colonography - if the patient can’t have a colonoscopy for some reason
what is third standard investigation colorectal cancer suspect, and why would it be used
CT scan of abdomen/ pelvis
used if patient cannot have bowel prep
colostomy
connects colon to abdominal wall
ileostomy
connects ileum of small intestine to abdominal wall