![]() ![]() Magnetic resonance imaging (MRI) revealed spinal stenosis at the 元/4 and 4/ 5 spinal levels and he underwent wide fenestration of both levels. A 78-year-old man presented with 7-year history of moderate paresis of his toe and left leg pain when walking. We present a case of double-crushed L 5 nerve root symptoms caused by inside and outside of the spinal canal with spur formation of the lumbosacral transitional vertebra (LSTV). Iwasaki, Motoyuki Akiyama, Masahiko Koyanagi, Izumi Niiya, Yoshimasa Ihara, Tatsuo Houkin, Kiyohiro 4.ĭouble Crush of L 5 Spinal Nerve Root due to L4/ 5 Lateral Recess Stenosis and Bony Spur Formation of Lumbosacral Transitional Vertebra Pseudoarticulation: A Case Report and Review Patient report is an unreliable method of identifying the anatomical source of pain or paresthesia caused by nerve root compression. 5%) recorded more than 50% of hits within the S1 dermatome. Three (3.6%) patients with S1 NRC recorded hits on the front alone, 44 (53.0%) on the back alone, and 18 (21.7%) on both. Nineteen (20.9%) recorded more than 50% of hits within the L 5 dermatome. Regarding pins and needles, 27 (29.7%) patients with L 5 NRC recorded hits on the front alone, 27 (29.7%) on the back alone, and 14 (15.4%) on both. ![]() No patients placed more than 50% of their hits within the S1 dermatome. Of those patients with S1 NRC, only 3 (3.6%) recorded any hits on the S1 dermatome on the front, and only 64 (77.1%) on the back with only 15 (18.1%) on both. Only 1 (1.0%) patient placed more than 50% of their hits within the L 5 dermatome. Of those patients with L 5 NRC, only 22 (22.4%) recorded any hits on the L 5 dermatome on the front, and only 60 (61.2%) on the back with only 13 (13.3%) on both. The distribution of pain and pins and needles did not correspond well with dermatomal patterns. Ninety-eight patients had L 5 compressions and 83 had S1 compressions. Patients with radiologically and surgically proven nerve root compression (NRC) caused by prolapsed intervertebral disc completed computerized diagrams of the distribution of pain and pins and needles. Dermatomal charts vary and previous studies have demonstrated significant individual subject variation. To compare the pattern of distribution of radicular pain with published dermatome charts. Taylor, Christopher S Coxon, Andrew J Watson, Paul C Greenough, Charles G Do L 5 and s1 nerve root compressions produce radicular pain in a dermatomal pattern? ![]()
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