Jaundice Caused by a Pancreatic Mass

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Abstract
It is well known that Crohn's disease can involve the pancreas. However, granulomatous inflammation of the pancreas causing jaundice is extremely rare. In this report, we describe a patient presenting with jaundice in whom a Whipple procedure was performed because of the suspicion of a malignant pancreatic tumor. However, on histologic examination a benign granulomatous pancreatic mass was found. Further investigations revealed no other organ involvement and no underlying disease could be identified. Therefore, the tentative diagnosis of an idiopathic inflammatory pseudotumor was made. Only 6 months later, when the patient developed bloody diarrhea, Crohn's disease was diagnosed. This case stresses that, especially in young patients, Crohn's disease should be included in the differential diagnosis of benign common bile duct strictures even if no other symptoms of Crohn's disease are present.