Hypertrophic recurring lichen planus of the external auditory canal

Košec, Andro and Kostić, Mirjana and Ajduk, Jakov and Ries, Mihael (2019) Hypertrophic recurring lichen planus of the external auditory canal. European Annals of Otorhinolaryngology, Head and Neck Diseases, 136 (2). pp. 123-126. ISSN 1879-7296

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Abstract

Introduction: We report a case of unilateral progressive primary hypertrophic lichen planus of the external auditory canal requiring several surgical interventions to deal with constant pruritus, otorrhoea, stenosis and conductive hearing loss. ----- Case summary: A 58-year-old woman was initially treated with meatoplasty for suspected chronic obliterating otitis externa. She remained symptom-free for 5 years, before the disease recurred, affecting other body surfaces as well. Otorrhoea, conductive hearing loss and pruritus worsened, and a canal wall down tympanomastoidectomy was performed, removing the skin of the external auditory canal and the tympanic membrane completely. Lichen planus was confirmed histopathologically. ----- Discussion: Very few surgical results have been published on stenosis of the external auditory canal caused by lichen planus. Complete medial external auditory canal skin elevation and removal with postoperative split-skin grafting is advised for initial treatment. We discuss treatment options and surgical outcome after initial surgical failure.

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