| Pityriasis rotunda | |
|---|---|
| Classification and external resources | |
| DiseasesDB | 32814 |
| eMedicine | article/1107624 |
Pityriasis rotunda (also known as "Pityriasis circinata" and "Tinea circinata") 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. It may be associated with diseases like hepatocellular carcinoma in racially predisposed groups.