香川, 耕造 Tokushima University
Morikawa, Yuriko Tokushima University
軒原, 浩 Tokushima University
radiation associated sarcoma
thoracoscopic pleural biopsy
cell block immunocytochemistry
A 67-year-old man was admitted to our hospital for massive pleural effusion. He had a history of mandibular gingival carcinoma treated with radiation therapy (RT). Based on the cytology findings of pleural effusion and a thoracoscopic pleural biopsy, we finally diagnosed him with radiation-associated angiosarcoma. Retrospective cell-block immunocytochemistry with pleural effusion also showed potential utility for the diagnosis. This case highlights the importance of considering the possibility of radiation-associated secondary cancer in patients with pleural effusion who have a history of RT.
The Japanese Society of Internal Medicine
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