lumbosacral plexopathy definition
Lumbosacral Plexopathy. Lumbosacral plexopathy is a relatively rare peripheral nerve problem that results from injury to the lumbar or sacral plexuses. These are interwoven networks of nerves arising from nerve roots in the lumbar spine or the pelvis, respectively.Plexus injury can result from diabetes, tumor, radiation and obstetrical injury. The symptoms of lumbosacral plexopathy depend on the underlying cause and the individual nerves affected.Symptoms can include pain, numbness, tingling, weakness or hypersensitivity. These symptoms do not differ significantly from those associated with peripheral nerve injuries.hese are interwoven networks of nerves arising from nerve roots in the lumbar spine or the pelvis, respectively. Plexus injury can result from diabetes, tumor, radiation and obstetrical injury. The symptoms of lumbosacral plexopathy depend on the underlying cause and the individual nerves affected.