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Psoriatic arthritis (PsA) predominantly emerges in individuals previously diagnosed with psoriasis (PsO), offering a unique opportunity to study the transition from PsO to PsA. This progression provides a window to identify characteristics of PsO patients who may develop PsA, facilitating early intervention and potentially informing prevention and treatment strategies. This review evaluates a wide array of research focusing on various risk factors for PsA development. These factors span demographic characteristics, concomitant diseases and habits, characteristics of skin and nail psoriatic disease, and symptoms and imaging abnormalities associated with PsA. By summarising the existing literature, this review critically examines each risk factor, highlighting the strengths and limitations inherent in the studies. Each section of the review not only summarises the current state of knowledge but also includes an expert opinion, culminating in a final concluding remark. This integration allows physicians to utilise the confluence of established literature and ongoing clinical experience, facilitating a rationalised decision-making process that is deeply informed by both empirical evidence and practical insights.
Patt et al. (Sun,) studied this question.