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Korean Journal of Otorhinolaryngology-Head and Neck Surgery > Volume 37(4); 1994 > Article
Korean Journal of Otorhinolaryngology-Head and Neck Surgery 1994;37(4): 677-82.
A Clinical Study of Stenosis of the External Auditory Canal
Tae Hyung Kwon, MD, Dae Hyung Yoo, MD, Seung Ju Lee, MD, Yoon Young Chung, MD, and Cheon Hwan Oh, MD
Department of Otolaryngology, Chunan Hospital, College of Medicine, Soonchunhyang University, Chunan, Korea
외이도 협착증에 대한 임상적 고찰
권태형 · 유대형 · 이승주 · 정윤영 · 오천환
순천향대학교 의과대학 천안병원 이비인후과학교실
ABSTRACT

Stenosis of the external auditory canal may occur by traumatic fracture of skull base and temporal bone, Osteoma, malignant external otitis, postoperative scar and congenital cause. Clinical manifestations are bloody or purulent otorrhea, ear drum perforation or hearing impairment. Treatment of choice is meatoplasty which consists of wide excision of stenotic region of the external auditory canal, widening the bony canal and skin graft to cover the reconstructed canal. The authors studied fifteen cases with stenosis of the external auditory canal between 1986 and 1992. The results were as follows : 1) Among fifteen cases, eleven cases(73.3%) were male and four cases(26.7%) were female. Mean age was 31 years old, third and fourth decades were four cases, each. 2) Most common cause was trauma in ten cases(66.7%). 3) Symptoms and signs were bloody otorrhea in eight cases(53.3%), hearing loss in six cases(40.0%) in order. 4) Most common type of hearing loss was conductive in seven(46.7%). After operation for the hearing loss in twelve cases, six cases(50.0%) were recovered to normal hearing level and air-bone gap was improved to 20 dB in eight cases(66.7%). 5) Operations were only meatoplasty in five cases, meatoplasty with exploratory tympanotomy in six cases, meatoplasty with skin graft in five cases and meatoplasty with exploratory tympanotomy and skin graft in a case. 6) Complications were infection in four cases and restenosis in two cases, which were underwent reoperation.

Keywords: Stenosis of external auditory canalMeatoplastyRestenosis.
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