{Reference Type}: Case Reports
{Title}: Hypertrophic recurring lichen planus of the external auditory canal.
{Author}: Košec A;Kostić M;Ajduk J;Ries M;
{Journal}: Eur Ann Otorhinolaryngol Head Neck Dis
{Volume}: 136
{Issue}: 2
{Year}: Apr 2019
{Factor}: 2.665
{DOI}: 10.1016/j.anorl.2017.12.013
{Abstract}: <B>BACKGROUND: </B>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.<BR><B>METHODS: </B>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.<BR><B>CONCLUSIONS: </B>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.