Granular cell tumor of the bronchus coexisting with a bronchogenic adenocarcinoma: a case report.

A case of endobronchial granular cell tumor and an adenocarcinoma in the same lobe of the lung are presented. A review of the literature documents 2 cases where there was coexistence of a bronchogenic carcinoma and a granular cell tumor. The different theories regarding the origin of granular cell tumors are considered. The treatment of choice would be that indicated for the carcinoma irrespective of the granular cell tumor.