Background: Psoriasis is a chronic autoimmune disease with longtime activity and multisystem affection. Nailfold capillaroscopy (NC) is a simple noninvasive microscopic tool useful for identification of nailfold microvasculopathy.
Objective: The present study aimed to compare NC findings in patients with psoriasis vulgaris (PsV) and psoriatic arthritis (PsA) with different clinical domains.