CYLINDROMA, CARCINOID-TUMORS, AND MUCOEPIDERMOID CARCINOMA

The three types of neoplasm discussed here were classified in the past under the benign appellation of ''adenoma.'' This was misleading and inappropriate because cylindroma, carcinoid tumor, and mucoepidermoid carcinoma are true malignancies with full potential for local invasion and systemic dissemination, There is no known risk factor or gender p redilection, The similarity stops here, They differ significantly from each other and from bronchogenic carcinoma in many ways and can be a challenge to all physicians involved, whether it is the pulmonologist, thoracic surgeon, pathologist, or medical oncologist.