Pityriasis Rubra Pilaris
What Is Pityriasis Rubra Pilaris?
[dropcap]P[/dropcap]ityriasis rubra pilaris (PRP) is a chronic generalized exfoliative dermatitis (sloughing skin) characterized by erythema (redness), scaling, dilated plugged hair follicles, and keratoderma (thickened skin) of the hands and feet that is often associated with anemia and low serum albumin.
It may manifest either as Type I classical adult onset PRP, Type II atypical adult (onset) PRP, or Type VI PRP (HIV-associated PRP pityriasis rubra pilaris) in contrast to classical juvenile (Type III) and circumscribed juvenile (Type IV) encountered among children.1
Q: Who is affected in the general population?
A: All ages are affected. Pityriasis rubra pilaris occurs all over the world but with racial variations – it is 1 in 5,000 in Great Britain and 1 in 50,000 in India.2[/box]