Circumscribed PRP affects approximately 25% of patients. It affects prepubertal children and it is characterized by sharply demarcated areas of follicular hyperkeratosis and erythema on the knees ...

Pityriasis rosea is an inflammatory skin condition that produces a red rash. On darker skin tones, this inflammation may appear dark red, purple, or dark brown. Its exact cause is unknown ...

She had no previous episodes of skin trouble or familial incidents of pityriasis rubra pilaris (PRP). The diagnosis was classic onset of PRP. PRP is a rare chronic skin disorder. It is ...

White patches on the face and other areas of the skin can be caused by pityriasis alba, a skin condition that typically affects children. Although the white patches usually go away on their own, your ...

She made her perpetual vows in July 1922. Just a year later, in 1923, Zervas began experiencing what was later diagnosed as pityriasis rubra pilaris, a chronic and debilitating skin disease that ...