Metastatic pancreatic neuroendocrine tumour.

A 46-year-old male was referred to his local hospital with palpitations and a 6-month history of severe watery diarrhoea associated with weight loss; nausea; profound, refractory hypokalaemia (Potassium 2.6, NR 3.5–5.3 mmol/l); and acute kidney injury. Bowel motions were large-volume, watery, and passed up to 10 times per day, with the absence of blood or mucous. He …