A Case of Tracheobronchial Amyloidosis Treated by Laser Therapy and Argon Plasma Coagulation with an Unfavorable Outcome

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  • レーザー療法,アルゴンプラズマ凝固療法で治療後,不幸な転帰をたどった気管気管支アミロイドーシスの1例

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Abstract

Background. Amyloid deposits are found in many organs, but rarely in the pulmonary system. Case. A 50-year-old man visited our hospital in July 2004, with complaints of wheezing and dyspnea. There was a mass-like lesion protruding into the lumen of the trachea on chest X-ray films and CT. It was diagnosed as amyloidosis by bronchoscopic biopsy. Laser therapy and argon plasma coagulation (APC) were performed in July and August 2004, respectively. His symptoms and pulmonary function test scores improved. After APC was performed again in September 2004, bilateral pneumothorax and pneumomediastinum occurred, and the patient died of massive hemoptysis 9 days after the procedure. Conclusion. We encountered a case of tracheobronchial amyloidosis and performed laser therapy and APC, but the patient died of massive hemoptysis.

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