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Fibromyalgia Syndrome: Diagnosis and Comorbidities

Published online by Cambridge University Press:  07 November 2014

Benjamin H. Natelson
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Extract

In 1990, The American College of Rheumatology laid out several sets of criteria for the diagnosis of fibromyalgia syndrome (FM). The first criterion required patients to report at least 3 months of widespread pain. Pain was considered widespread if it was present in four quadrants of the body—the right and left side as well as above and below the waist. Axial skeleton pain is also very commonly present in FM and is often considered a fifth “quadrant.” The second diagnostic criterion was widespread pain in response to a tender point examination. In this assessment the clinician presses on 18 specific areas with enough pressure to blanche his fingertip (∼4 kg). The patient's report of pain and not pressure on such testing in at least 11 of the tender points completes the requirements for the diagnosis of FM (Slide 1). Although these criteria were established to standardize patients for research studies, many physicians follow them for diagnostic purposes as well. However, these criteria must be viewed in the same context as the definition of hypertension (ie, blood pressures ≥140/90). Patients who do not quite attain these criteria should still be considered to have probable hypertension; and the same applies to FM. A patient who has three-quadrant pain and 9 tender points does not meet the criteria for FM, but the therapeutic approach to this patient is the same as it is for the patient with definitive FM.

Type
Expert Review Supplement
Information
CNS Spectrums , Volume 14 , Issue S8: Clinical Case Update in Fibromyalgia Management , October 2009 , pp. 8 - 11
Copyright
Copyright © Cambridge University Press 2009

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References

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