Other names:Pityriasis circinata,[1]Tinea circinata[2]
Hyperpigmented, well-demarcated, perfectly round, dry, and ichthyosis-form scaly lesion on the lower abdomen.
Pityriasis rotunda is a disorder of keratisation of the skin that manifests as a perfectly circular, scaly patches on the torso and proximal portions of the extremities.[1] It may be associated with diseases like hepatocellular carcinoma in racially predisposed groups.[3]