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Recurrent Pityriasis Rubra Pilaris: A Case Report
Megan E MacGillivray1, Loretta Fiorillo2
11 PGY3 Dermatology, University of Alberta, Edmonton, AB, Canada.
Pityriasis rubra pilaris (PRP) recurrence is rare but possible, even in classic juvenile cases. Effective treatment for this uncommon dermatosis involves acitretin and methotrexate combination therapy.
Area of Science:
- Dermatology
- Immunodermatology
Background:
- Pityriasis rubra pilaris (PRP) is a rare papulosquamous dermatosis.
- It typically presents with follicular papules and salmon-colored plaques.
- PRP is often self-limiting, but recurrence is infrequently documented.
Observation:
- A case study of an 8-year-old male diagnosed with classic juvenile (type III) PRP.
- Initial treatment with acitretin led to complete skin clearance within 6 months.
- The patient remained disease-free for 6 years before a similar presentation at age 14.
Findings:
- The patient was diagnosed again with type III PRP, exhibiting similar clinical features.
- Concurrent treatment with acitretin and methotrexate resulted in successful skin clearance.
- This case highlights the possibility of type III PRP recurrence.
Implications:
- The findings suggest that type III Pityriasis rubra pilaris can recur, even after prolonged remission.
- Combination therapy with acitretin and methotrexate appears effective for managing recurrent PRP.
- Further research into the long-term prognosis and recurrence patterns of PRP is warranted.
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