Pityriasis rubra pilaris
Pityriasis Rubra Pilaris (pronounced pit-uh-RIE-uh-sis ROO-bruh pi-LAIR-is) is a rare skin disorder that causes constant inflammation and scaling of the skin.
Etymology
The term "Pityriasis" is derived from the Greek word "pityron", which means bran, referring to the characteristic scaling. "Rubra" is Latin for red, indicating the redness of the skin, and "Pilaris" refers to the hair follicle, which is often involved in this condition.
Definition
Pityriasis Rubra Pilaris (PRP) is a group of rare skin disorders that present with reddish-orange scaling patches with well-defined borders. The patches may cover the entire body or just parts of the body such as the elbows and knees, hands and feet.
Symptoms
The main symptoms of PRP include:
- Redness and inflammation of the skin
- Thick, scaly patches on the skin
- Itching
- Changes in the nails, such as thickening or yellowing
- Hair loss
Causes
The exact cause of PRP is unknown. However, it is believed to be an autoimmune disorder, where the immune system attacks healthy cells in the skin. Some cases may be genetic, while others may be triggered by certain medications or infections.
Diagnosis
Diagnosis of PRP is based on the characteristic appearance of the skin. A skin biopsy may be performed to confirm the diagnosis.
Treatment
Treatment for PRP aims to reduce inflammation and scaling. This may include topical corticosteroids, systemic medications such as retinoids, and light therapy.
Related Terms
External links
- Medical encyclopedia article on Pityriasis rubra pilaris
- Wikipedia's article - Pityriasis rubra pilaris
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