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Meralgia paresthetica affecting parturient women who underwent cesarean section -A case report-

Chung KH, Lee JY, Ko TK, Park CH, Chun DH, Yang HJ, Gill HJ, Kim MK - Korean J Anesthesiol (2010)

Bottom Line: Various neurological examinations and L-spine MRI images were all normal, but the symptoms persisted for a few days.Then, electromyogram and nerve conduction velocity test of the trunk and both legs were performed.Conservative treatment was implemented and the patient was free of symptoms after 1 month follow-up.

Affiliation: Department of Anesthesiology and Pain Medicine, CHA University School of Medicine, Seongnam, Korea.

ABSTRACT

Meralgia paresthetica is commonly caused by a focal entrapment of lateral femoral cuteneous nerve while it passes the inguinal ligament. Common symptoms are paresthesias and numbness of the upper lateral thigh area. Pregnancy, tight cloths, obesity, position of surgery and the tumor in the retroperitoneal space could be causes of meralgia paresthetica. A 29-year-old female patient underwent an emergency cesarean section under spinal anesthesia without any problems. But two days after surgery, the patient complained numbness and paresthesia in anterolateral thigh area. Various neurological examinations and L-spine MRI images were all normal, but the symptoms persisted for a few days. Then, electromyogram and nerve conduction velocity test of the trunk and both legs were performed. Test results showed left lateral cutaneous nerve injury and meralgia paresthetica was diagnosed. Conservative treatment was implemented and the patient was free of symptoms after 1 month follow-up.

Right and left lateral femoral cutaneous sensory nerve conduction velocity recording. The left lateral femoral cutaneous sensory nerve conduction amplitude is reduced.
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Figure 1: Right and left lateral femoral cutaneous sensory nerve conduction velocity recording. The left lateral femoral cutaneous sensory nerve conduction amplitude is reduced.

Mentions: As a result, the sensory nerve conduction velocity (SNCV) test discovered a left lateral cutaneous nerve injury while the needle electromyography study didn't find anything unusual (Fig. 1). In the following pelvic compression test, the patient said that her symptom was reduced when her left pelvis was compressed. Considering her symptom, which was limited to left lateral cutaneous nerve, and the result of the pelvic compression test, the authors diagnosed her as meralgia paresthetica and prescribed nonsteroidal anti-inflammatory drugs for conservative treatment. She was allowed discharge and was traced as an outpatient for a month. According to the result of the observance after discharge, the numbness on her left femoral region disappeared without special treatment, and complete blood cell count (CBC) and ESR were also within normal levels.

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Meralgia paresthetica affecting parturient women who underwent cesarean section -A case report-

Chung KH, Lee JY, Ko TK, Park CH, Chun DH, Yang HJ, Gill HJ, Kim MK - Korean J Anesthesiol (2010)

Right and left lateral femoral cutaneous sensory nerve conduction velocity recording. The left lateral femoral cutaneous sensory nerve conduction amplitude is reduced.
© Copyright Policy - open-access
Figure 1: Right and left lateral femoral cutaneous sensory nerve conduction velocity recording. The left lateral femoral cutaneous sensory nerve conduction amplitude is reduced.
Mentions: As a result, the sensory nerve conduction velocity (SNCV) test discovered a left lateral cutaneous nerve injury while the needle electromyography study didn't find anything unusual (Fig. 1). In the following pelvic compression test, the patient said that her symptom was reduced when her left pelvis was compressed. Considering her symptom, which was limited to left lateral cutaneous nerve, and the result of the pelvic compression test, the authors diagnosed her as meralgia paresthetica and prescribed nonsteroidal anti-inflammatory drugs for conservative treatment. She was allowed discharge and was traced as an outpatient for a month. According to the result of the observance after discharge, the numbness on her left femoral region disappeared without special treatment, and complete blood cell count (CBC) and ESR were also within normal levels.

Bottom Line: Various neurological examinations and L-spine MRI images were all normal, but the symptoms persisted for a few days.Then, electromyogram and nerve conduction velocity test of the trunk and both legs were performed.Conservative treatment was implemented and the patient was free of symptoms after 1 month follow-up.

Affiliation: Department of Anesthesiology and Pain Medicine, CHA University School of Medicine, Seongnam, Korea.

ABSTRACT

Meralgia paresthetica is commonly caused by a focal entrapment of lateral femoral cuteneous nerve while it passes the inguinal ligament. Common symptoms are paresthesias and numbness of the upper lateral thigh area. Pregnancy, tight cloths, obesity, position of surgery and the tumor in the retroperitoneal space could be causes of meralgia paresthetica. A 29-year-old female patient underwent an emergency cesarean section under spinal anesthesia without any problems. But two days after surgery, the patient complained numbness and paresthesia in anterolateral thigh area. Various neurological examinations and L-spine MRI images were all normal, but the symptoms persisted for a few days. Then, electromyogram and nerve conduction velocity test of the trunk and both legs were performed. Test results showed left lateral cutaneous nerve injury and meralgia paresthetica was diagnosed. Conservative treatment was implemented and the patient was free of symptoms after 1 month follow-up.

View Similar Images In: Results  - Collection
View Article: PubMed Central -  PubMed
Show All Figures - Show MeSH
getmorefigures.php?pmc=3030065&rFormat=json&query=null&req=5