Medical Lasers; Engineering, Basic Research, and Clinical Application  
CO2 Laser Microsurgery for Type 1 Posterior Glottic Stenosis Misdiagnosed as Bronchial Asthma: A Case Report
Yeo Rim Ju, Hyoung Sik Park, Sang Joon Lee, Seung Hoon Woo
Department of Otolaryngology-Head and Neck Surgery, Dankook University College of Medicine, Cheonan, Korea
Correspondence to: Seung Hoon Woo
Department of Otorhinolaryngology Head and Neck Surgery, Dankook University School of Medicine, 201 Manghyang-ro, Dongnam-gu, Cheonan 31116, Korea
Tel.: +82-41-550-1781
Fax: +82-41-550-7837
E-mail: lesaby@hanmail.net
Received: February 18, 2020; Accepted: March 14, 2020; Published online: April 2, 2020.
© Korean Society for Laser Medicine and Surgery. All rights reserved.

Abstract
This paper reports a case of type 1 posterior glottic stenosis in a 60-yearold woman that was misdiagnosed as bronchial asthma. The patient was intubated at another hospital after ingesting herbicide and extubated seven days later. Although her voice changed, she had not received treatment at that time. She visited a local internal medicine clinic when her condition deteriorated to the point of dyspnea, but several months of treatment for bronchial asthma failed to improve her symptoms. Upon admission to the author’s hospital, a laryngoscopic examination revealed a type 1 posterior glottic stenosis, which was removed surgically using a CO2 laser.
Keywords: Type I posterior glottic stenosis; Bogdasarian’s classification; CO2 laser; Bronchial asthma


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