Pityriasis rotunda is:: (A) Fungal infection, (B) Bacterial infection, (C) Pityriasis affecting nail, (D) Variant of Ichthyosis
Answer is D. Pityriasis rotunda - Pityriasis rotunda is described as a persistent, large, sharply defined circular patch of dry ichthyosiform scaling with no inflammatory changes. Variant of Ichthyosis Fixed, annular, scaling, dry-skin change More often seen in the African and Asian races Associated with neoplasia, paicularly Hepatocellular carcinoma.