Small Bowel Tumours Flashcards
What is a carcinoid tumour?
Slow-growing neuroendocrine tumour
What cells do carcinoid tumours arise form?
Enterchromaffin cells of intestine
Where are carcinoid tumours most commonly found?
Appendix & terminal ileum
Where do carcinoid tumours usually metastasis to?
Liver
Investigations for SI tumours?
- Serum chromogranin A
- 24h urine secretion of 5-hydroxyindoleacetic acid
- Radiological imaging to check for Mets
Management of SI tumours?
- Surgical resection
- Octreotide/lanreotide (somatostatin analogues) inhibit the release of hormones alleviating symptoms
3 types of SI tumours?
- Adenocarcinoma
- Lymphoma
- Carcinoid tumours
Primary tumours are more common than secondary. True or false?
FALSE
Primary tumors are very rare, secondary are much more common
Where is adenocarcinoma most commonly found?
Duodenum & jejunum
Where is the primary tumor in adenocarcinoma usually found?
Small bowel
What is a predisposing factor for adenocarcioma?
Crohn’s
Management for adenocarcinoma?
Surgical resection + radio + chemo
Where is lymphoma most commonly found?
Ileum
What is the most common type of lymphoma?
B cell arising from MALT
Management of lymphoma?
Surgical resection + radio + chemo
