Tracheal Neurinoma; A Case Report.

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Primary benign tumors in the trachea are rare, and neurinoma is extremely rare. Symptoms of airway obstruction occur as the tumor grows. However, since the tumor grows slowly and is rarely seen, it is misdiagnosed as a pulmonary disease, and treatment is continued by internists. Not until symptoms became prominent is this disease identified. We report here a case of tracheal neurinoma.An 57-year-old woman complained of dyspnea. Bronchial asthma was diagnosed in the Department of Internal Medicine, where she received treatment but with no improvement. Hoarseness then occurred. A CT scan revealed a tumor in the trachea, so she was referred to this department. At her first visit, fiberscopic examination revealed a light yellow, hemispheric tumor, with a smooth surface under the glottis. A CT scan confirmed that the tumor originated from the posterior wall of the trachea. Because of severe dyspnea, tracheostomy was performed and a biopsy done. The microscopic diagnosis was neurinoma. Intraluminal excision of the tumor was performed. The tumor was about 2cm long and extended from tracheal ring I to ring N along the posterior wall. To detach the tumor, a median incision was made on the mucous membrane of the posterior wall of the trachea. No adhesions were encountered between the tumor and the mucous membrane of the trachea. The tumor with its capsule was easily excised by submucous detachement, and the anterior wall of the trachea was sutured.
耳鼻咽喉科臨床学会の論文

Tracheal Neurinoma; A Case Report.

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