title: Functioning insulinoma with a twenty-year history.
abstract: A case of functioning beta islet cell tumor (insulinoma) producing incapacitating hypoglycemia for 20 years before being diagnosed by means of pancreatic angiography is presented. Laparotomy with local tumor excision was curative.
mesh_terms: D007516:Adenoma, Islet Cell / Q000175:diagnosis*; D001786:Blood Glucose / Q000378:metabolism; D003951:Diagnostic Errors; D006801:Humans; D006946:Hyperinsulinism / Q000175:diagnosis* / Q000601:surgery; D007003:Hypoglycemia / Q000175:diagnosis* / Q000601:surgery; D007328:Insulin / Q000097:blood; D007340:Insulinoma / Q000175:diagnosis* / Q000601:surgery; D008297:Male; D008875:Middle Aged; D010190:Pancreatic Neoplasms / Q000175:diagnosis* / Q000601:surgery
chemical_list: D001786:Blood Glucose; D007328:Insulin