NURS 203 Lecture Notes - Villous Adenoma, Carcinoid, Fecolith
Document Summary
Mc polyp in entire gi = hyperplastic polyp it is a little nubbin aka hemartomas (therefore not neoplastic), usually in sigmoid colon. Tubular adenoma: looks like a strawberry on stick, therefore has a stalk with strawberry, which is the precursor lesion for colon cancer. Juvenile polyp: slide: coming out of child"s butt kid with polyp in rectum; all juvenile polyps located in the rectum and are hamartomas (no precancerous). Therefore, when you have blood coating the stool, it is internal hemorrhoid. Internal hemorrhoids are not painful, but they do prolapse. Adult with something reddish sticking out of their butt = prolapsed internal hemorrhoid. Internal hemorrhoids bleed and painless, while external thrombose and are painful. Sessile polyp (villous adenoma) looks like the villous surface of the small intestine (hence name villous adenoma); these are lil finger-like excrenses of the small intestine, hence the name villous adenoma. These have the greatest malignant potential, and are usually in the rectal sigmoid.
