GI18 Flashcards
1
Q
Colonic polyps.
A
- Masses protruding into gut lumem
- Sawtooth appearance
- 90% non-neoplastic
- RectoSigmoid (most often)
- Tubular of Villous
2
Q
Types of colonic polyps.
A
Adenomatous
Hyperplastic
Juvenile
Peutz-Jeghers
3
Q
Adenomatous polyps.
A
- Precursor to colorectal cancer (CRC)
- More villous, more likely malignant
4
Q
Adenomatous polyps S/S.
A
- Asymptomatic (often)
- Lower GI bleed
- Partial obstruction
- Secretory diarrhea
5
Q
What is the most common non-neoplastic colon polyp?
A
Hyperplastic
6
Q
Where are most Hyperplastic polyps found?
A
Rectosigmoid colon (>50%)
7
Q
Juvenile polyps.
A
- Sporadic lesions in children (<5)
- 80% in Rectum
- If single, No malignant potention
8
Q
Juvenile polyposis syndrome.
A
Multiple polyps in GI tract
INcreased risk of Adenocarcinoma
9
Q
Peutz-Jeghers syndrome.
A
- Autosomal-Dominant
- Multiple nonmalignant hamartomas throught GI tract
- Hyperpigmented mouth, lips, hands, genitalia
- Increased risk of CRC and other visceral malignancies
