Nail Involvement As A Predictor for Psoriatic Arthritis
"Especially, nail involvement, scalp afflictions and intergluteal/perianal psoriatic lesions are associated with a higher likelihood of developing PsA and are therefore regarded as major predictors of PsA.[7,8]For instance, nail lesions were found in about 40–45% of patients with psoriasis only and in about 87% of patients with PsA.[9,10]"