GI Neoplasia II Flashcards
Cancer of the small intestine is
extremely rare
Colon cancer mortality is second only to lung cancer
ok
70% of colorectal tumors are what type of cancer
adenocarcinoma
Know the non-neoplastic polyps slide
ok
Which type of polyp predisposes to CRC
adenomatous
Hyperplastic polyps have no malignant potential
ok
inflammatory polyps occur when
long-standing IBD. not neoplastic
The larger the polyp…
the greater the risk of cancer
Villous polyps =
greater risk for cancer
Higher incidence of colorectal cancer in developed countries thought to be due to what?
high fat low fiber diet
first degree relative with colon cancer means your risk
doubles
Colon cancer on the right side (ascending colon) is more likely to lead to what symptoms
anemia
Colon cancer on the left side, descending side, more likely to lead to
obstruction and overt bleeding
rectal cancer more likely to lead to
pain, bleeding, tenesmus
Treatment of colon cancer
- endoscopic polypectomy may be curative if teh cancer is localized to the head of the polyp
- Do a pre-op CT to look for metastatic disease and surgery to remove the tumor and adjacent lymphatics is the mainstay