large intestinal cancer

Question 1

name 3 radical tx options for Large intestine cancer

Answer 1

Surgery (primary)- hemicolectomy or local resection
EBRT- 45Gy in 25# VMAT
CHEMO - used preoperatively to local resection

Question 2

name 2 surgeries used for large intestine cancer and their roles

Answer 2

hemicolectomy - removal of part of bowel with immediate reconnection for more aggressive/radocal approach for large tumours

local resection - removal of small section of bowel - small defined tumours

Question 3

role of EBRT for large intestine cancer

Answer 3

45Gy 25# often for more locally advanced disease - too big to irradiate whole organ so can be difficult to locate extent of disease

CHEMORAD has NO benefit to Chemo alone

Question 4

role of CHEMO for large intestine cancer

Answer 4

disease commonly spreads to liver so good systemic tx - often preoperatively to local resection to improve pt outcome

Question 5

name palliative EBRT for large intestine cancer

Answer 5

Vmat or //opp
as symptom relief to he bowel to reduce bleeding and pain -
20Gy in 5# or 30Gy in 10#

Question 6

name 4 aetiological risk factors for large intestine cancer

Answer 6

diet - too much red meat
smoking
age
genetic history

Question 7

name 2 histological tour types for large intestine cancer

Answer 7

majority = adenocarcinoma
minority = squamous cell carcinoma