NCIt synonyms : Granular Cell Myoblastoma of the Esophagus; Granular Cell Esophageal Tumor; Granular Cell Esophagus Neoplasm; Granular Cell Esophagus Myoblastoma; Granular Cell Esophagus Tumor; Granular Cell Neoplasm of the Esophagus; Esophageal Granular Cell Neoplasm; Esophageal Granular Cell Myoblastoma; Granular Cell Neoplasm of Esophagus; Granular Cell Myoblastoma of Esophagus; Granular Cell Tumor of the Esophagus; Granular Cell Tumor of Esophagus;
NCIt definition : A tumor that usually presents with small nodules or small sessile polyps, predominantly
in the distal esophagus. Histologically, it is composed of sheets of oval to polygonal
cells with a small central nucleus and abundant granular cytoplasm. This is usually
a benign tumor. (WHO, 2000);