[39] Small Bowel Neoplasms

Question 1

What % of small bowel neoplasms are benign?

Answer 1

35%

Question 2

Give 5 benign small bowel neoplasms

Answer 2

Lipoma
Leiomyoma
Neurofibroma 
Haemangioma
Adenomatous polyps

Question 3

In what conditions are there increased risk of small bowel adenomatous polyps?

Answer 3

FAP

Peutz-Jeghers

Question 4

What % of small bowel neoplasms are malignant?

Answer 4

65%

Question 5

What % of GI malignancies are small bowel?

Answer 5

2%

Question 6

Give 4 malignant small bowel neoplasms

Answer 6

Adenocarcinoma
Carcinoid
Lymphoma
GIST

Question 7

What % of small bowel malignant tumours are adenocarcinomas?

Answer 7

20%

Question 8

What % of small bowel malignant tumours are carcinoid?

Answer 8

40%

Question 9

In what condition are small bowel lymphomas more common?

Answer 9

Coeliac disease

Question 10

Why do small bowel neoplasms often present late?

Answer 10

Because they often have non-specific symptoms

Question 11

What are the symptoms of small bowel neoplasms?

Answer 11

Nausea and vomiting
Symptoms of obstruction
Weight loss 
Abdominal pain
Bleeding
Jaundice

Question 12

What can cause jaundice in small bowel neoplasms?

Answer 12

Biliary obstruction or liver mets

Question 13

What imaging is done in small bowel neoplasms?

Answer 13

AXR
Ba follow through
CT

Question 14

What might be found on AXR in small bowel neoplasms?

Answer 14

Small bowel obstruction

Question 15

What endoscopy techniques may be used in small bowel neoplasms?

Answer 15

Push enteroscopy

Capsule endoscopy