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Αλέξανδρος Γ. Σφακιανάκης

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Wednesday, October 28, 2020

Successful treatment of erythematous‐squamous disorders of the external auditory canal with tacrolimus and clotrimazole in otic oil: our experience in 25 patients

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Abstract

The external auditory canal (EAC) comprises a special area where erythematous‐scaly diseases are located. Among the main dermatoses that can affect EAC seborrheic dermatitis, psoriasis, irritant or allergic contact dermatitis, chronic external otitis (atrial eczematoid dermatitis) and cutaneous lupus should be considered.

In the present study, 25 consecutive patients were recruited on our dermatological outpatient clinic, 9 men and 16 women, with a clinical diagnosis of localized erythematous‐squamous dermatoses in EAC. The mean age was 48.8 years (16‐83). The mean time of evolution of the dermatoses was 11.44 months (2‐36). Regarding the diagnosis, 14 patients were diagnosed with seborrheic dermatitis (56%), 9 patients with psoriasis (36%), 1 patient with subacute cutaneous lupus (4%), and 1 patient with allergic contact dermatitis to corticosteroids (4%). The indicated treatment was tacrolimus 0.1% and clotrimazole 1% in otic oil, twice a day, for 1 month. The EAC had to be cleaned initially with saline solution impregnated on a swab from the ears. The IGA score and pruritus showed a high results, with important improvement of almost all patients. The satisfaction of the patients obtained with the TSQM‐9 questionnaire was 95.2. Retreatment showed an equal efficacy observed during the fi rst treatment period. The efficacy and the absence of side effects with the treatment make this magistral formula an adequate therapeutic option for these dermatoses.

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