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carcinoid tumour


  • neuroendocrine tumour derived from primitive stem cells in the gut wall but can arise elsewhere
  • high potential for metastasis

clinical features


  • 24 hour urinary 5-HIAA levels are usually elevated
  • fasting plasma 5-HIAA assay is more convenient than the 24hr urine collection
  • if either of the above are positive, consider imaging such as:
    • octreotide nuclear med scan
    • PET scan at an oncology centre (however in Australia, not covered by Medicare unless known tumour)
carcinoid.txt · Last modified: 2017/12/15 00:36 by

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