Differential diagnosis of neuropathic pain

TL;DRAbstract

Neuropathic pain is an acute or chronic pain caused by damage to or dysfunction of the peripheral and/or central nervous system. Neuropathic pain is a direct sequel of damage to or disease of the somatosensory nervous system. The paper presents the definition, international diagnostic criteria, clinical and diagnostic features, and causes of neuropathic pain syndrome, differences between nociceptive and neuropathic pain, the classification of major neuropathic pain syndromes, and the DN4 questionnaire to identify neuropathic pain. It shows a substantial clinical and pathophysiological similarity of neuropathic pain and fibromyalgia and gives preliminary diagnostic criteria for fibromyalgia. The differential diagnosis of neuropathic, nociceptive, and psychogenic pain and the determination of the level of damage to the nervous system and a leading pathogenetic mechanism of neuropathic pain syndrome require not only meticulous clinical examination of the sensory sphere, but also neurophys

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