[Somatostatinoma of the liver]

A case report is given of a 45 year old patient, who had a tumor of the liver, pain in the upper abdomen and relapsing fever. Surgery was done and part of the liver was removed. On microscopic examination a somatostatinoma was found. The clinical symptoms of this very rare type of tumor, which belongs to the APUD cell system, is discussed as well as therapeutical implications.