Two Cases of Chronic Candidiasis in Keratitis–Ichthyosis–Deafness Syndrome

Abstract: Keratitis–ichthyosis–deafness (KID) syndrome is a rare genodermatosis that typically results from mutations of the GJB2 gene or, less commonly, the GJB6 gene. Patients with KID syndrome are at higher risk of malignancy and infections. Here, we present 2 patients with KID syndrome who developed verrucous plaques. Given that patients with KID syndrome are at high risk of developing squamous cell carcinoma, biopsies were performed. Both cases revealed histologic findings of marked papillomatous epidermal hyperplasia with numerous fungal spores and pseudohyphae in the stratum corneum. For one case, daily oral fluconazole was initiated. The patient demonstrated dramatic resolution of his foot plaques over the course of 2 years. These cases highlight that, for the dermatopathologist, chronic fungal infection should be sought for verrucous plaques in patients with KID syndrome as, if present, this finding may alter treatment and quality of life. Correspondence: Sadaf Hussain, MD, Dermatology Program, Harvard Medical School, Boston Children's Hospital, 300 Longwood Avenue, Fegan 6, Boston, MA 02115 (e-mail: sadaf.hussain@childrens.harvard.edu). The authors declare no conflicts of interest. Copyright © 2018 Wolters Kluwer Health, Inc. All rights reserved.

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