Phantom Limb Pain. A Review

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Abstract
Phantom limb pain, which affects a majority of amputees, must be distinguished from phantom limb sensation, a universal consequence of limb amputation. Although the characteristics and time course of phantom limb pain are well described in the literature, no single theoretical approach can fully account for the contradictory aspects of this condition, thus its underlying mechanisms remain unclear. Theories concerning the etiology of phantom limb pain categorized as peripheral, central and psychological have given rise to a myriad of treatment approaches.