title: Non-functioning islet cell carcinoma difficult to differentiate from duodenal carcinoma--a case report.
mesh_terms: D007516:Adenoma, Islet Cell / Q000175:diagnosis* / Q000473:pathology; D002760:Cholangiopancreatography, Endoscopic Retrograde; D003937:Diagnosis, Differential; D004379:Duodenal Neoplasms / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D008113:Liver Neoplasms / Q000556:secondary; D008297:Male; D008875:Middle Aged; D010190:Pancreatic Neoplasms / Q000175:diagnosis* / Q000473:pathology