Incidence	- rare
Age
Sex
Geography
Aetiology	- produce severe intestinal secretion - action of VIP
Presentation	- watery diarrhoea leading to dehydration
Investigations
Macro
Micro
Staging
Serum markers	- high plasma VIP - diagnostic
Management	- octreotide - corticosteroids may help to reduce stool volume - localize and resect tumour if possible
Prognosis
Complications

Hepatobiliary medicine

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