Pulmonary granular cell tumors (GCTs) are uncommon and predominantly benign. The coexistence of GCTs with bronchogenic carcinoma is rare. We report three cases of GCT occurring simultaneously with a primary bronchogenic carcinoma. In one case mucoepidermoid carcinoma was seen colliding with a bronchial submucosal GCT. In another case an endobronchial GCT was seen beneath squamous cell carcinoma in situ and adjacent to invasive squamous carcinoma. In the third case a central bronchial GCT was identified concurrently with a peripheral adenocarcinoma. We suggest that the presence of a GCT should prompt adequate sampling to rule out the coexistence of bronchogenic carcinoma. Clinical awareness and complete evaluation for a malignant primary lung tumor will lead to more appropriate therapy.
- Bronchogenic carcinoma
- Granular cell tumor
- Mucoepidermoid carcinoma
ASJC Scopus subject areas
- Pathology and Forensic Medicine