Dermoscopy of Nevus Comedonicus

© 2017 Indian Dermatology Online Journal | Published by Wolters Kluwer Medknow A 29‐year female presented to the skin outpatient department with asymptomatic lesions over the left side of the face and neck since 18 years. Initially, the lesions were gradually progressive, but had remained stable since the past 10 years. There was no history of trauma or irritation or a familial history of similar lesions. Cutaneous examination revealed multiple, comedone‐like lesions over the left side of the neck following Blaschko’s lines and extending from the preauricular region to the upper neck in a U shape [Figure 1]. There were no lesions elsewhere on the body. Mucosae, hair, and nails were unaffected. General physical, ophthalmic, and systemic examination were normal. There were no double comedones, sinus tract, or scarring. There was no other abnormality. Routine laboratory investigations including complete blood count, blood chemistry, and urinalysis were within normal limits. Dermoscopy (Dino‐Lite premier AM3013T nonpolarized, Contact type; ×50 magnification, connected to a computer with inbuilt camera for taking photographs) of the lesion showed multiple, well‐defined,