Pityriasis lichenoides chronica
Pityriasis Lichenoides Chronica
Pityriasis Lichenoides Chronica (pronunciation: pit-uh-rye-uh-sis lichen-oides chronica) is a rare, chronic skin condition characterized by the development of small, scaling papules on the skin.
Etymology
The term "Pityriasis" is derived from the Greek word "pityron", which means "bran", referring to the characteristic scaling of the skin seen in this condition. "Lichenoides" refers to the resemblance of the skin lesions to lichen, a type of fungus. "Chronica" is Latin for "chronic", indicating the long-term nature of the condition.
Symptoms
The primary symptom of Pityriasis Lichenoides Chronica is the appearance of small, scaling papules on the skin. These papules are often red or brown in color and may be itchy. The condition typically follows a chronic course, with periods of flare-ups and remission.
Causes
The exact cause of Pityriasis Lichenoides Chronica is unknown. However, it is believed to be an abnormal immune response to a variety of triggers, including infections, medications, and vaccinations.
Diagnosis
Diagnosis of Pityriasis Lichenoides Chronica is typically made based on the characteristic appearance of the skin lesions. A skin biopsy may be performed to confirm the diagnosis and rule out other skin conditions.
Treatment
Treatment for Pityriasis Lichenoides Chronica typically involves the use of topical corticosteroids to reduce inflammation and itching. In severe cases, systemic medications such as methotrexate or acitretin may be used.
Related Terms
External links
- Medical encyclopedia article on Pityriasis lichenoides chronica
- Wikipedia's article - Pityriasis lichenoides chronica
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