A Case of Endobronchial Granular Cell Tumor

Abstract

A 41-year-old female with granular cell tumor in the left lower lobe bronchus was reported. She was admitted with fever and dry cough. Since her symptoms did not improve, fibroptic bronchoscopy was performed. The findings showed a tumor occupying the orifice of the lower lobe bronchus. Transbronchial biopsy of the tumor revealed a granular cell tumor. The tumor moved with respiration and seemed to have a stalk. The chest CT scan showed that the tumor did not invade beyond the bronchial wall. The tumor was removed with a wire snare via a fibroptic bronchoscopy and the residual tumor was cauterized with Nd : YAG laser. Seven months after the treatment, the base of the tumor was epithelized and no recurrence of the tumor was seen. Though granular cell tumor is a benign tumor generally, it has been reported that in other organs the tumor metastasized distantly and the histological findings showed malignancy. It is necessary to follow up such cases carefully.