[Mediastinal bronchogenic cyst causing severe tracheal stenosis].

An 86-year-old female patient was transported to our hospital because of progressive dyspnea. Computed tomography revealed a 7-cm-diameter low-density mass located in the upper mediastinum behind the trachea. The mass compressed the trachea and caused severe tracheal stenosis. We diagnosed the tumor as a paratracheal type of bronchogenic cyst. The patient was immediately intubated, and a semiemergent operation was performed. Because of her advanced age, minimally invasive surgery was considered. The cyst was partially resected for fenestration. Just after the operation, the patient was extubated and became asymptomatic. The postoperative course was uneventful, and the patient was discharged from the hospital on the 14th postoperative day. The tumor was histologically diagnosed as a bronchogenic cyst. Six months after the operation, she was still asymptomatic.