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<p>Spinal stenosis frequently involves multiple regions, particularly the cervical and lumbar spine. Therefore, it is essential to identify biomarkers that can distinguish between central and peripheral neuropathy. Lysophosphatidylcholine (LPC), a biomarker involved in neuropathic pain, has been proposed as a potential diagnostic biomarker for distinguishing these conditions. This study aimed to evaluate the diagnostic utility of LPC levels in the cerebrospinal fluid (CSF) for differentiating peripheral neuropathy from central neuropathy. This study included 198 patients: 77 with cauda equina syndrome (CES), 34 with myelopathy, and 87 controls. CSF samples were collected by lumbar puncture. Using liquid chromatography-tandem mass spectrometry, six LPC species, including (16:0), (18:0), (18:1), (18:2), (20:4), and (22:6), were measured in the CSF. These LPC levels were compared among the groups, and the cutoff levels that could efficiently discriminate between the groups with high accuracy were determined. All levels of LPC species were significantly higher in the CES and myelopathy groups than in the controls, with CES showing the highest levels. LPC (18:1) and LPC (22:6) demonstrated high diagnostic accuracy in distinguishing CES from myelopathy. LPC (18:1), LPC (18:2), LPC (20:4), and LPC (22:6) demonstrated high diagnostic accuracy in distinguishing myelopathy from controls. The LPC species levels in CSF offer a reliable biomarker for differentiating CES from myelopathy. Measuring LPC species can enhance diagnostic accuracy, enabling precise treatment strategies.</p>

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Efficacy of measuring lysophosphatidylcholine levels in human cerebrospinal fluid to differentiate myelopathy from cauda equina syndrome

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月8日

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  • Takuya Takahashi,
  • Takashi Hirai,
  • Masahiko Sumitani,
  • Takao Mochizuki,
  • Toru Akiyama,
  • Atsushi Kimura,
  • Kentaro Hayakawa,
  • Eiji Takasawa,
  • Hirotaka Chikuda,
  • Toshitaka Yoshii,
  • Makoto Kurano

摘要

Spinal stenosis frequently involves multiple regions, particularly the cervical and lumbar spine. Therefore, it is essential to identify biomarkers that can distinguish between central and peripheral neuropathy. Lysophosphatidylcholine (LPC), a biomarker involved in neuropathic pain, has been proposed as a potential diagnostic biomarker for distinguishing these conditions. This study aimed to evaluate the diagnostic utility of LPC levels in the cerebrospinal fluid (CSF) for differentiating peripheral neuropathy from central neuropathy. This study included 198 patients: 77 with cauda equina syndrome (CES), 34 with myelopathy, and 87 controls. CSF samples were collected by lumbar puncture. Using liquid chromatography-tandem mass spectrometry, six LPC species, including (16:0), (18:0), (18:1), (18:2), (20:4), and (22:6), were measured in the CSF. These LPC levels were compared among the groups, and the cutoff levels that could efficiently discriminate between the groups with high accuracy were determined. All levels of LPC species were significantly higher in the CES and myelopathy groups than in the controls, with CES showing the highest levels. LPC (18:1) and LPC (22:6) demonstrated high diagnostic accuracy in distinguishing CES from myelopathy. LPC (18:1), LPC (18:2), LPC (20:4), and LPC (22:6) demonstrated high diagnostic accuracy in distinguishing myelopathy from controls. The LPC species levels in CSF offer a reliable biomarker for differentiating CES from myelopathy. Measuring LPC species can enhance diagnostic accuracy, enabling precise treatment strategies.