Yunis and Masi criteria for juvenile primary fibromyalgia
Yunis and Masi criteria for juvenile primary fibromyalgia
The diagnosis for juvenile primary fibromyalgia is based upon all 4 major criteria plus 3 of the 10 minor criteria
Major criteria
Generalized musculoskeletal aching at ≥3 sites for at least 3 months
Absence of an underlying condition or cause (eg, arthritis or trauma)
Normal test results
5 tender points
Minor criteria
Chronic anxiety or tension
Fatigue
Poor sleep
Chronic headaches
Irritable bowel syndrome
Subjective soft tissue swelling
Numbness
Pain modulation of physical activity
Pain modulation by weather factors
Pain modulation by anxiety and/or stress
Modified from: Yunis MB, Masi AT. Juvenile primary fibromyalgia syndrome. A clinical study of thirty-three patients and matched normal controls. Arthritis Rheum 1985; 28:138.