Psoriatic arthritis: How to diagnosis it early?

Psoriatic arthritis (PsA) is an inflammatory arthritis that usually develops after the onset of cutaneous psoriasis. There is evidence that early diagnosis will lead to better long-term outcomes. Identifying inflammatory arthritis in subjects with psoriasis is the key to early diagnosis of PsA. Screening strategies using questionnaires or biomarkers targeted at subjects with psoriasis may result in early identification of PsA. This article reviews the importance of early diagnosis of PsA and the strategies available for screening psoriasis patients for PsA.