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Invasive Thymoma with Endobronchial Polypoid Growth

DOI: 10.4236/ojrd.2015.54008, PP. 71-74

Keywords: Invasive Thymoma, Anterior Mediastinal Tumor, Bronchoscopy, Endobronchial Growth

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Thymomas are the most common neoplasms of the mediastinum. It is common that thymoma invades neighboring structures in the thorax, but direct polypoid tumor growth into the airway is extremely rare. We report a rare case of invasive thymoma with polypoid endobronchial growth in a 66-year-old woman. Computed tomography demonstrated an anterior mediastinal tumor which extended into the right upper lobe. Endoscopic examination revealed a polypoid tumor which occluded the right upper bronchus. A biopsy specimen obtained from the intraluminal mass was very suggestive of thymoma. The patient had no parathymic syndrome. The tumor was resected with the right upper lobe. The final post-operative tissue findings confirmed a type B2 thymoma of the World Health Organisation classification.


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