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[Psoriatic onycho-pachydermo-periostitis (POPP)]
K Schröder1, S Goerdt, J Sieper
1Hautklinik und Poliklinik, Universitätsklinikum Bengamin Franklin, Freie Universität Berlin.
Summary
Psoriatic onycho-pachydermo-periostitis (POPP) is a newly recognized condition causing painful toe enlargement and nail deformity in psoriasis patients. This case report highlights its diagnostic criteria and treatment options.
Area of Science:
- Dermatology
- Rheumatology
- Pathology
Background:
- Psoriasis is a chronic inflammatory skin condition.
- Psoriatic arthropathy encompasses various joint manifestations associated with psoriasis.
- Nail changes are common in psoriasis and can indicate underlying disease activity.
Observation:
- A patient presented with painful enlargement and severe nail deformity of both great toes.
- The patient exhibited minor diagnostic criteria for psoriasis, including nail pitting.
- A positive family history of psoriasis was noted.
Findings:
- The described clinical presentation aligns with psoriatic onycho-pachydermo-periostitis (POPP), a recently identified entity.
- POPP involves significant nail and underlying bone/skin changes in the digits.
- This case underscores the spectrum of psoriatic arthropathy.
Implications:
- Accurate diagnosis of POPP is crucial for appropriate management.
- Understanding POPP's diagnostic criteria aids in differentiating it from other conditions.
- Therapeutic strategies for POPP require further investigation and tailored approaches.