気管内腔にポリープ状腫瘤として術後再発した肺腺扁平上皮癌の1例

The Postoperative Recurrence of Adenosquamous Cell Carcinoma of the Lung as a Polypoid Mass in the Tracheal Lumen；Report of a Case

はじめに　肺癌術後の気管転移は比較的まれである．われわれは，気管内腔にポリープ状腫瘤として術後再発した肺腺扁平上皮癌の1例を経験したので報告する．

The case is 77 years old, female. She was referred to a local doctor with a chief complaint of cough and wheezing and was treated as asthma. However, symptoms did not improve and she was referred to our hospital. She had a history of right upper lobectomy for lung cancer about 2 years before, with the pathological diagnosis of adenosquamous cell carcinoma, pT1aN0M0, stageⅠA. Chest computed tomography （CT） scan showed a pedunculated polypoid mass almost occupying the lumen in the trachea immediately above the tracheal bifurcation, and the emergency bronchoscopic resection using a high-frequency snare under general anesthesia was performed. Postoperatively, 50 Gray of radiotherapy was added.