• However, this study had certain limitations such as the exclusion of patients with mild to moderate forms of the disease, as well as the failure to investigate the presence of axial disease using imaging tests and to test HLA in the patients studied. 13 Paiva et al. evaluated 16 patients with uveitis and psoriatic arthritis; 8 of them had peripheral arthritis (50%), 6 (37.5%) had peripheral and ax