ESSG (European Spondylarthropaty Study Group)

Diagnositic Criteria for Spondylarthropathy (Arthritis Rheum 1991: 34:1218-1227)

Inflammatory spinal pain
OR
Synovitis (asymmetrical or predominantly in the lower limbs)

AND

one or more of the following:
Positive family history
Psoriasis
Inflammatory bowel disease
Alternate buttock pain
Enthesopathy
Sacroilitis

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