Carcinoid Tumour

• Arise from neuroendocrine cells
• Common sites: midgut, appendix, terminal ileum
• Can present: abdominal mass, liver metastases, rarely bowel obstruction
• Non-intestinal sites: lung, testes, ovaries
• Carcinoid syndrome (<10% cases):

• Features: facial flushing, watery diarrhoea, bronchospasm, abdominal pain,
  right heart failure, symmetrical pruritic erythematous rash
• Management: Early referral if suspected
• Treatment options: surgery, somatostatin analogues, radiofrequency ablation
  for liver metastases

Other Small Bowel Diseases Reference