The occurrence of arthritis in patients with psoriasis has been recognized since the 19th
century. However, psoriatic arthritis (PsA) was identified as a distinct entity primarily as a …

Since 1978, 220 patients with psoriatic arthritis have undergone detailed study at the
Women's College Hospital in Toronto, Canada. Clinical, radiological and biochemical data …

Psoriatic arthritis is a distinct form of inflammatory arthritis associated with psoriasis, which
exists in a number of clinical presentations. Although a large number of patients have a mild …

Subgroups of PsA have been described but their relationship to the mode of onset of
arthritis, to DIP joint disease and to nail and skin disease remains controversial. Therefore …

The classification of PsA is controversial. Two recent papers have suggested new subgroup
classifications, however both have served only to expand the controversy. In this study the …

Guttate psoriasis, known to have a better prognosis than other types of psoriasis, shows
rapid involution and longer remission, but its clinical course has barely been studied. The …

Background/Purpose A universally accepted definition of axial psoriatic arthritis (axPsA) is
lacking. We aimed to 1) assess the presence of axial involvement as defined by “at least …

Psoriatic arthritis was first described in the early part of the nineteenthcentury. Over the past
50 years, concepts of the disease have evolved as a result of clinical, epidemiological …

To assess the relationships between skin and joint disease, 70 patients with psoriatic
arthritis were consecutively evaluated. Data were obtained regarding age, sex, duration of …

Psoriatic arthritis is an inflammatory musculoskeletal disease associated with psoriasis that
is usually seronegative for rheumatoid factor. 1 Although the occurrence of arthritis among …