Exostoses and Osteomas of External Auditory Canal

Czech version

Authors: Jan Mejzlík; Viktor Chrobok; A. Pellant; E. Šimáková ^*
Authors‘ workplace: Klinika ORL, Krajská nemocnice Pardubice, Ústav zdravotnických studií Univerzity Pardubice, přednosta prof. MUDr. A. Pellant, DrSc. Fingerlandův ústav patologie Fakultní nemocnice, Hradec Králové, přednosta prof. MUDr. I. Šteiner, CSc. ^*
Published in: Otorinolaryngol Foniatr, , 2003, No. 3, pp. 139-141.
Category:

Overview

The authors report on 6 years of experience in exostosis and osteoma of the externalauditory canal. The surgery comprised 24 procedures on 19 patients. Fourteen biopsies have beentaken. Microscopical examination proved exostosis in 10 cases, osteoma in two cases, Albers-Schönberg disease (osteopetrosis), while one specimen was not diagnosed. The histological findingscorresponded to clinical symptoms. Etiology, histology, and differential diagnosis of exostosis andosteoma of the external auditory canal are discussed. The complications of surgery are reviewed.Surgery should be reserved for those cases of external ear canal exostoses in which conservativetreatment of recurrent concomitant inflammatory complications fails.

Key words:
exostosis, osteoma, external ear canal.

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