Sonographic and electrophysiologic findings in patients with meralgia paresthetica

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Abstract

Objective: This study was aimed to demonstrate the usefulness of ultrasonography in the diagnosis of meralgia paresthetica (MP). Methods: Clinical data, sensory nerve conduction study and sonographic findings of 23 patients with unilateral MP were analyzed retrospectively. Twelve healthy subjects were recruited for the optimal cut-off value for the cross-sectional area of LFCN to diagnose MP using receiver operating characteristic curves. Results: The median value of the cross-sectional area of LFCN in healthy subjects was 3mm2 and in the affected and unaffected sides in patients with MP, they were 11 and 6.5mm2 around the anterior superior iliac spine level. The optimal cut-off value for the diagnosis of MP was 5mm2. The location of LFCN on the affected side was superior to the inguinal ligament in 12 out of 23 cases (50%). Conclusion: Ultrasonography is useful in the diagnosis of MP as a supplemental diagnostic tool, which gives important information about the morphologic changes that occur in the LFCN and its course. Significance: To the best of our knowledge, this is the first report to suggest that describe the cutoff value of the cross-sectional area of LFCN for the diagnosis of MP using ultrasonography.

Original languageEnglish
Pages (from-to)1460-1464
Number of pages5
JournalClinical Neurophysiology
Volume124
Issue number7
DOIs
Publication statusPublished - 2013 Jul 1

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Ultrasonography
Healthy Volunteers
Groin
Neural Conduction
Meralgia paresthetica
Ligaments
ROC Curve
Spine

Keywords

  • Lateral femoral cutaneous nerve
  • Meralgia paresthetica
  • Sonography

ASJC Scopus subject areas

  • Clinical Neurology
  • Neurology
  • Physiology (medical)
  • Sensory Systems

Cite this

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title = "Sonographic and electrophysiologic findings in patients with meralgia paresthetica",
abstract = "Objective: This study was aimed to demonstrate the usefulness of ultrasonography in the diagnosis of meralgia paresthetica (MP). Methods: Clinical data, sensory nerve conduction study and sonographic findings of 23 patients with unilateral MP were analyzed retrospectively. Twelve healthy subjects were recruited for the optimal cut-off value for the cross-sectional area of LFCN to diagnose MP using receiver operating characteristic curves. Results: The median value of the cross-sectional area of LFCN in healthy subjects was 3mm2 and in the affected and unaffected sides in patients with MP, they were 11 and 6.5mm2 around the anterior superior iliac spine level. The optimal cut-off value for the diagnosis of MP was 5mm2. The location of LFCN on the affected side was superior to the inguinal ligament in 12 out of 23 cases (50{\%}). Conclusion: Ultrasonography is useful in the diagnosis of MP as a supplemental diagnostic tool, which gives important information about the morphologic changes that occur in the LFCN and its course. Significance: To the best of our knowledge, this is the first report to suggest that describe the cutoff value of the cross-sectional area of LFCN for the diagnosis of MP using ultrasonography.",
keywords = "Lateral femoral cutaneous nerve, Meralgia paresthetica, Sonography",
author = "Suh, {Dong Hun} and Kim, {Dong Hwee} and Park, {Jong Woong} and Park, {Byung Kyu}",
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language = "English",
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AU - Suh, Dong Hun

AU - Kim, Dong Hwee

AU - Park, Jong Woong

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N2 - Objective: This study was aimed to demonstrate the usefulness of ultrasonography in the diagnosis of meralgia paresthetica (MP). Methods: Clinical data, sensory nerve conduction study and sonographic findings of 23 patients with unilateral MP were analyzed retrospectively. Twelve healthy subjects were recruited for the optimal cut-off value for the cross-sectional area of LFCN to diagnose MP using receiver operating characteristic curves. Results: The median value of the cross-sectional area of LFCN in healthy subjects was 3mm2 and in the affected and unaffected sides in patients with MP, they were 11 and 6.5mm2 around the anterior superior iliac spine level. The optimal cut-off value for the diagnosis of MP was 5mm2. The location of LFCN on the affected side was superior to the inguinal ligament in 12 out of 23 cases (50%). Conclusion: Ultrasonography is useful in the diagnosis of MP as a supplemental diagnostic tool, which gives important information about the morphologic changes that occur in the LFCN and its course. Significance: To the best of our knowledge, this is the first report to suggest that describe the cutoff value of the cross-sectional area of LFCN for the diagnosis of MP using ultrasonography.

AB - Objective: This study was aimed to demonstrate the usefulness of ultrasonography in the diagnosis of meralgia paresthetica (MP). Methods: Clinical data, sensory nerve conduction study and sonographic findings of 23 patients with unilateral MP were analyzed retrospectively. Twelve healthy subjects were recruited for the optimal cut-off value for the cross-sectional area of LFCN to diagnose MP using receiver operating characteristic curves. Results: The median value of the cross-sectional area of LFCN in healthy subjects was 3mm2 and in the affected and unaffected sides in patients with MP, they were 11 and 6.5mm2 around the anterior superior iliac spine level. The optimal cut-off value for the diagnosis of MP was 5mm2. The location of LFCN on the affected side was superior to the inguinal ligament in 12 out of 23 cases (50%). Conclusion: Ultrasonography is useful in the diagnosis of MP as a supplemental diagnostic tool, which gives important information about the morphologic changes that occur in the LFCN and its course. Significance: To the best of our knowledge, this is the first report to suggest that describe the cutoff value of the cross-sectional area of LFCN for the diagnosis of MP using ultrasonography.

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