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JOURNAL OF JAPAN SOCIETY FOR HEAD AND NECK SURGERY
We experienced the case of a 67-year-old woman who complained of having had dyspnea since one month earlier. She underwent CT in the inter-medicine clinic, which revealed a mass in the trachea. Endoscopy examination revealed a mass in the subglottic region and a very narrow airway. We diagnosed that the cause of dyspnea was the mass in the subglottic region, requiring an emergency tracheotomy first of all. To observe the trachea, we used squint endoscopy in the endoscopic sinus surgery (ESS)doi:10.5106/jjshns.22.75 fatcat:bhcscyv76vbkzovlclt2tfuilq