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Targeted Muscle Reinnervation: Surgical Protocol for a Randomized Controlled Trial in Postamputation Pain

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Published on: March 8, 2024

Meralgia paresthetica secondary to lipoma.

Cheng-Shyuan Rau¹, Ching-Hua Hsieh, Yueh-Wei Liu

¹Department of Neurosurgery, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Chang Gung University College of Medicine, Kaohsiung Hsien, Taiwan.

Journal of Neurosurgery. Spine

|January 2, 2010

Summary

Meralgia paresthetica (MP), a condition causing lateral thigh pain, can be caused by lipoma compression. Surgical removal of the lipoma resolved the patient's symptoms, suggesting this as a potential treatment.

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Area of Science:

Neurology
Dermatology
Surgical Pathology

Background:

Meralgia paresthetica (MP) is characterized by lateral thigh pain due to lateral femoral cutaneous nerve (LFCN) entrapment under the inguinal ligament.
Common causes include trauma, diabetes mellitus, and iatrogenic factors like bone graft harvesting or seat belt injury.

Observation:

A 50-year-old woman presented with a year-long history of right-sided MP.
Physical and radiological exams were normal, except for a lipoma on the sartorius muscle.
Conservative MP treatments and electrophysiological studies for peripheral neuropathy were ineffective.

Findings:

The patient underwent lipoma excision, which led to complete resolution of MP symptoms.
This case is the first documented instance of MP caused by lipoma compression.

Implications:

Lipoma compression should be considered as a potential cause of meralgia paresthetica.
Complete lipoma excision may effectively treat MP when caused by this specific etiology.