What is the carcinoid syndrome?

NETs of the gastrointestinal tract mainly of the small bowel, and those located in the right half of the colon, which have metastasized to the liver, can exhibit a group of symptoms, including:

  • Flushing
  • diarrhoea and
  • bronchospasm
  • tachycardia

the so-called carcinoid syndrome.


What is the cause of carcinoid syndrome?

Carcinoid syndrome results from the hypersecretion of hormones, mainly serotonin, which cannot be metabolized by the liver due to metastases.


What are the complications of carcinoid syndrome?

  • Carcinoid heart disease
  • Carcinoid crisis