Fibromyalgia is a chronic pain syndrome diagnosed by the presence of widespread body pain (front and back, right and left, both sides of the diaphragm) for at least 3 months in addition to tenderness (digital palpation at an approximate force of 4 kg) of at least 11 out of 18 designated tender point sites as defined by the American College of Rheumatology 1990 classification criteria.
Tender points
Differentiaal diagnose: reumatoide artritis, SLE, polymyalgia rheumatica, myositis, hypothyreoidie, hyperparathyreoidie, neuropathie
Laboratoriumonderzoek: bloedbeeld, BSE, CRP, CK, TSH. Op indicatie: ANA, reumafactor, slaaponderzoek, psychiatrisch onderzoek, autonome functietest
Veelvoorkomende comorbiditeit: