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[A case of hemoptysis caused by vegetable foreign body (cryptomeria) and actinomycosis].

A 54-year-old man was admitted to our hospital with hemoptysis. Chest radiography and chest CT scanning demonstrated atelectasis in the right middle lobe. Bronchoscopy showed nothing of abnormal appearance. We performed a middle lobe lobectomy suspecting that the continuing hemoptysis was caused by the lesion in the middle lobe. Histologically, a vegetable foreign body (cryptomeria) was recognized in a bronchiole of the middle lobe, surrounded by inflamed tissues and sulfur granules. It was suggested that all of these were the cause of the hematoptysis. The patient was discharged on the fourteenth postoperative day, and has been asymptomatic since. This was a very rare case of hemoptysis caused by a vegetable foreign body and actinomycosis.