Case Presentation

A 51-year-old White male never-smoker presented with intermittent cough and progressive dyspnea. His symptoms started after an exposure to bat guano while cleaning his attic approximately 9 months earlier. He has received several courses of antibiotic and corticosteroid for these symptoms, with short-term relief.

中文翻译：

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一名 51 岁男性，后纵隔大肿块

案例展示

一名 51 岁的白人男性从不吸烟，表现为间歇性咳嗽和进行性呼吸困难。大约 9 个月前，他在打扫阁楼时接触了蝙蝠鸟粪后开始出现症状。针对这些症状，他已经接受了几个疗程的抗生素和皮质类固醇治疗，短期内得到缓解。