A RARE CASE OF TYPICAL CARCINOID OF THE LUNG COINCIDENT WITH THYMOMA

The present report describes a 42-year-old woman with a coin lesion of the upper lobe of the right lung, preoperatively diagnosed as a small cell lung carcinoma of unsually slow growth. The preoperative workup revealed a mass in the mediastinum, diagnosed as a thymoma. Accordingl y, a right upper lobectomy and mediastinal lymph node dissection, foll owed by a radical thymectomy, were performed. The resected pulmonary s pecimen was histologically diagnosed as a typical carcinoid and the me diastinal mass as a mixed type thymoma with microscopic invasion. The postoperative course was eventful. The patient is doing well with no s ign of recurrece one year after her operation. To our knowledge, the c oincidence of a bronchopulmonary carcinoid and thymoma is believed to be the first such case reported in the literature.