Small Bowel Neoplasms Flashcards
What % of small bowel neoplasms are benign?
35%
Give 5 benign small bowel neoplasms
Lipoma Leiomyoma Neurofibroma Haemangioma Adenomatous polyps
In what conditions are there increased risk of small bowel adenomatous polyps?
FAP
Peutz-Jeghers
What % of small bowel neoplasms are malignant?
65%
What % of GI malignancies are small bowel?
2%
Give 4 malignant small bowel neoplasms
Adenocarcinoma
Carcinoid
Lymphoma
GIST
What % of small bowel malignant tumours are adenocarcinomas?
20%
What % of small bowel malignant tumours are carcinoid?
40%
In what condition are small bowel lymphomas more common?
Coeliac disease
Why do small bowel neoplasms often present late?
Because they often have non-specific symptoms
What are the symptoms of small bowel neoplasms?
Nausea and vomiting Symptoms of obstruction Weight loss Abdominal pain Bleeding Jaundice
What can cause jaundice in small bowel neoplasms?
Biliary obstruction or liver mets
What imaging is done in small bowel neoplasms?
AXR
Ba follow through
CT
What might be found on AXR in small bowel neoplasms?
Small bowel obstruction
What endoscopy techniques may be used in small bowel neoplasms?
Push enteroscopy
Capsule endoscopy