Meralgia paresthetica

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Background

Definition

  • Lateral femoral cutaneous neuropathy

Etiology

  • Impingement of nerve by inguinal ligament
  • Complication of surgery

Risk factors

  • Overweight

Clinical Manifestations

  • Isolated numbness and tingling over unilateral anterolateral thigh
  • No change in power or reflexes

Investigations

  • EMG: rule out other disorders (should be normal in meralgia paresthetica)
  • Ultrasound of the groin: rule out compressive lesion

Management

  • Neuropathic pain medications
  • Avoidance of trigger (cycling, tight belts, weight agin/loss, etc.
  • Occasionally need injections over nerve
  • If all else fails, nerve transection