Acquired Kyrle's disease at the site of healed herpes zoster

Kyrle's disease is a rare variant of primary perforating dermatosis .We reported a case of Kyrle's disease involving the site of healed herpes zoster. The clinical picture shows follicular and interfollicular hyperkeratotic horn-like plugs at the site of the resolved herpes zoster. It is thought to be an isotopic response that describes the occurrence of a new skin disorder at the site of another lesion that has already healed and is unrelated