<unk>  is a very rare tumor of the islet cells of the pancreas which is an organ in the abdomen that can make insulin and glucagon to regulate blood sugar level. A patient of insulinoma can produce too much glucagon. Patients may show a series of symptoms of hyperglucagonemia and hypoaminoacidemia, such as anemia, diarrhea, weight loss, necrolytic migratory erythema, and diabetes mellitus. Treatments involve surgery and medication.
Glucagonoma
Insulinoma
VIPoma
Idiopathic hypoglycemia
Gastrinoma
Congenital hyperinsulinism
Granular cell tumor
ACTH-secreting tumor