Gastric carcinoid tumor. Its occurrence with ossification and diffuse argyrophil-cell hyperplasia

A case of two gastric carcinoid tumors accompanied by diffuse argyrophil-cell hyperplasia occurred in a 39-year-old woman. One of the gastric carcinoid tumors demonstrated stromal ossification. Diffuse argyrophil-cell hyperplasia accompanied by gastric carcinoid tumors has been reported previously. The significance of this association is unknown.