Hyperparathyroidism and chronic pancreatitis.

Hyperparathyroidism is a rare cause of pancreatitis. The nature of the relationship between the two entities is not well defined, i.e. is it casual or causal? We describe 2 patients with chronic pancreatitis and hyperparathyroidism who presented with epigastric pain and were initially treated unsuccessfully by surgical drainage of the pancreatic ducts. In 1 case the hyperparathyroidism was only recognised after the pancreatic surgery. In both the symptoms of chronic pancreatitis responded well to parathyroidectomy. We believe that our cases add support to a causal relationship between pancreatitis and hyperparathyroidism. Whatever the true relationship, management of these patients should initially be directed at the hyperparathyroidism, followed by appropriate treatment of the pancreatitis.