Chapter 43: Small Intestine- Small Bowel Tumors

Question 1

What is the differential diagnosis of benign tumors of the small
intestine?

Answer 1

1. Leiomyoma
2. lipoma
3. lymphangioma
4. fibroma
5. adenomas
6. hemangiomas

Question 2

What are the signs and symptoms of small bowel tumors?

Answer 2

• Abdominal pain
• weight loss
• obstruction (SBO)
• perforation

Question 3

What is the most common benign small bowel tumor?

Answer 3

Leiomyoma

Question 4

What is the most common malignant small bowel tumor?

Answer 4

Adenocarcinoma

Question 5

What is the differential diagnosis of malignant tumors of the small
intestine?

Answer 5

1. Adenocarcinoma (50%)
2. Carcinoid (25%)
3. Lymphoma (20%)
4. Sarcomas (<5%)

Question 6

What is the workup of a small bowel tumor?

Answer 6

1. UGI with small bowel follow-through
2. enteroclysis
3. CT scan
4. enteroscopy

Question 7

What is the treatment for malignant small bowel tumor?

Answer 7

Resection and removal of mesenteric draining lymph nodes

Question 8

What malignancy is classically associated with metastasis to the
small bowel?

Answer 8

Melanoma