Colorectal Cancer (Small facts) Flashcards
Other factors that etiologically contribute to colorectal cancer?
Obesity, smoking, excessive alcohol, minimal physical activity
Other anatomical factors that contribute to colorectal cancer?
Chronic Ulcerative colitis, Crohn’s disease, pre adenomatous polyps, Hereditary cancer syndrome (FAP, Lynch)
Where is the occurrence of Chronic Ulcerative Colitis?
Rectum and Sigmioid Colon
adenomatous polyp villous _____ times more likely to be malignant?
8-10
The drainage from upper rectum follows what vessel and terminates where?
Superior rectal and inferior mesenteric
The drainage from middle and lower rectum follows what vessel?
Internal iliac and pre-sacral nodes
What is the purpose of a pelvic exam for colorectal cancer?
rules out mass
What is the purpose of abdominal palpation for colorectal cancer?
rule out liver or abdominal masses, and ascites
During surgery intervention of colorectal cancer, what is removed?
Tumor, adequate margins and nodules
Some surgeries are done laparoscopically. True or False?
True
RT can be used pre-op, Post-op and in conjunction with chemotherapy. True or False?
True
Radiotherapy is often curative. True or False?
False
What are some LN that could be included in the tx field?
Presacral, Internal iliac, External iliac
What structures are the prime reasoning behind utilizing the PA field for colorectal cancer?
Anterior organs and bowel
What types of technique are used in Colorectal Cancer
3DCRT and IMRT
