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Medical Definition of Diarrhoea pancreatica
1. Diarrhoea characterised by severe, watery, secretory diarrhoea and hyperkalaemia; most patients have hypercalcaemia, many have hyperglycaemia; results from excessive secretion of VIP (vasoactive intestinal peptide) by an islet cell tumour of the pancreas. Sometimes called WDHA syndrome. See: Verner-Morrison syndrome, WDHA syndrome. Synonym: pancreatic cholera, pancreatic diarrhoea. (05 Mar 2000)