Acta Dermato-Venereologica 98-10CompleteContent | Page 23

993 Congenital Nodule on the Ear in a Two-year-old Boy: A Quiz Ayano IKEDA, Hiroyuki GOTO, Kazunari SUGITA* and Osamu YAMAMOTO Division of Dermatology, Department of Medicine of Sensory and Motor Organs, School of Medicine, Tottori University Faculty of Medicine, Yo- nago 683-8504, Japan. *E-mail: [email protected] A 2-year-old boy was referred with a nodule on the back of his right auricle. The nodule had been present at birth and had enlarged gradually. Physical examination revealed a papillomatous, small, hypopigmented nodule 4×6 mm in diameter and 5 mm high (Fig. 1A). Dermoscopic examina- tion revealed milky-red globules in a cobblestone pattern, a ring-like, whitish, scaly area, and dotted glomerular vessels (Fig. 1B). The patient had no identical or similar nodules on other sites. What is your diagnosis? See next page for answer. Fig. 1. (A) Hyperkeratotic, small, pink-to-red nodule, 4×6 mm in diameter and 5 mm high. (B) Dermoscopic findings. The nodule consisted of milky- red globules in a cobblestone pattern, a ring-like whitish scaly area, and dotted, glomerular vessels. QUIZ SECTION This is an open access article under the CC BY-NC license. www.medicaljournals.se/acta Journal Compilation © 2018 Acta Dermato-Venereologica. doi: 10.2340/00015555-3022 Acta Derm Venereol 2018; 98: 993–994