Is Pityriasis rubra pilaris a form of psoriasis?

Pityriasis rubra pilaris (PRP) is a rare, chronic, inflammatory dermatosis with erythroderma and palmoplantar hyperkeratosis [1-3]. The major clinical differential diagnosis is psoriasis. However, in its most common form, type 1, PRP is typically self-limited and resolves within 3 years in 80% of all cases.

What causes rubra?

The cause of pityriasis rubra pilaris is unknown. Atypical (nonclassic) forms exist in both age groups. Sunlight, HIV or another infection, minor trauma, or an autoimmune disorder may trigger a flare-up.

Is pityriasis rubra pilaris the same as psoriasis?

Pityriasis rubra pilaris (PRP) is a relatively uncommon skin disease, clinically characterized by follicular keratotic plugs, red to orange plaques, and palmoplantar hyperkeratosis. However, in cases with atypical clinical presentation, PRP is sometimes confused with psoriasis, both clinically and histopathologically.

Is pityriasis rubra pilaris inherited?

Familial pityriasis rubra pilaris usually has an autosomal dominant inheritance pattern , which means one copy of the altered gene in each cell is sufficient to cause the disorder. Affected individuals usually inherit the condition from one affected parent.

Does pityriasis rubra pilaris go away?

The classic forms usually go away in 3 to 5 years with or without treatment. The goal of PRP treatment is to improve the appearance of the skin, reduce the associated symptoms, and improve quality of life. The type of treatment will depend on how much skin is affected and the severity of symptoms.

Is Pityriasis rubra pilaris the same as psoriasis?

How is pityriasis versicolor diagnosed?

Pityriasis versicolor usually can be diagnosed by a doctor or dermatologist with a simple medical examination of the affected skin. Sometimes, if the doctor cannot make a positive diagnosis by looking at your skin, he or she may examine your skin through a special piece of equipment called a Wood’s lamp.

Is pityriasis rosea caused by herpes virus?

Pityriasis rosea is caused by a viral infection. The virus has recently been identified as one of the herpes viruses. Children and young adults are more susceptible, for reasons unknown. Recurrences are rare – a person who develops the skin rash has only a two per cent chance of experiencing it again.