NCIt definition : A usually malignant, glucagon-producing neuroendocrine tumor arising from the pancreatic
alpha cells. It may be associated with necrolytic erythema migrans, diarrhea, diabetes,
glossitis, weight loss, malabsorption, and anemia. Almost 25% of patients experience
thromboembolic complications, and 50% have liver metastases at the time of diagnosis.;
Alternative definition : NCI-GLOSS: A rare pancreatic tumor that produces a hormone called glucagon. Glucagonomas
can produce symptoms similar to diabetes.;