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    Fibromyalgia is a chronic pain syndrome that is considered a pain processing disorder; its pathophysiology is not completely understood. The estimated prevalence in the general population varies from 0.5% to 12%, depending on the population studied and diagnostic criteria...

    Myofascial Pain Syndrome

    Myofascial pain syndrome (MPS) is a regional musculoskeletal pain disorder characterized by trigger points within the muscle or fascia. There are no universally accepted diagnostic criteria. Diagnosis currently is based on a physical examination finding of at least one...

    Complex Regional Pain Syndrome

    Complex regional pain syndrome (CRPS) is a chronic pain condition characterized by intense pain, usually in a body region that has experienced trauma, and autonomic and inflammatory features. It most commonly develops after an arm or leg injury. Patients typically present...

    Chronic Neuropathic Pain

    Neuropathic pain affects 7% to 10% of the population and has major effects on quality of life. It is defined as pain caused by a lesion or disease of the somatosensory nervous system and may be central or peripheral. Diagnostic testing may yield inconclusive or inconsistent...




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