Insulin secreting islet cell tumors of the pancreas.
D007516:Adenoma, Islet Cell / Q000378:metabolism*; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D006946:Hyperinsulinism / Q000209:etiology; D008297:Male; D008875:Middle Aged; D010180:Pancreatectomy; D013156:Splenectomy