Cervical Spine in Psoriasis and in Psoriatic Arthritis

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Abstract
A specific cervical lesion may be associated with psoriasis and psoriatic arthritis. X-rays of the cervical spine of 52 psoriatic patients (18 with psoriatic arthritis and 34 without arthritis) were compared with similar films of 52 control subjects matched for age and sex. Apophyseal sclerosis was found in 35% of the psoriatic subjects and 15% of the controls, apophyseal joint narrowing in 46% of the psoriatics and 27% of the controls, and anterior ligamentous calcification in 19% of the psoriatics and 6% of the controls. These changes are similar to those in rheumatoid spondylitis.