4 cases of granular cell tumor of oral lesion - Statistical observation.

The granular cell tumor which is characterized by acidophilic granules in the cytoplasm is a rare tumor. The lesion is often found in the oral cavity and skin. In the oral cavity, the lesion commonly occurs in the tongue and rarely in the buccal mucosa and lips. Thus far, the granular cell tumor was reported 34 times in the oral cavity in Japan, 25 cases in the tongue, 4 in the gingiva, 1 in the buccal mucosa and 2 in the palate.We reported 4 cases of this lesion which was found in the tongue (2 cases), lower lip (1 case) and buccal mucosa (1 case). Every case examined was seen female and the lesion was excised under local anesthesia. All lesions were benign tumor and were not found to be recurring.