Papers of the Week

Phantom limb pain (PLP), defined as a painful sensation in a portion of the body that has been amputated, occurs in upwards of 80% of limb amputees and can significantly impact a patient's quality of life. First hypothesized in 1551, the disease has been poorly understood for much of this time. Still today, the exact etiology of the condition is yet to be elucidated. In the periphery, PLP resembles the neuronal changes seen in other neuropathic pain conditions. However, in the central nervous system (CNS), imaging studies suggest changes unique to PLP, such as cortical reorganization. Despite a growing understanding of its underpinnings, a mechanism-based treatment is not yet available. Rather, a plethora of treatment methodologies are available with varying levels of supporting evidence and many treatments being utilized based on efficacy seen in non-PLP patients.