Updated: 6/1/2021

Thigh Nerve Entrapment Syndromes

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  • Ilioinguinal Nerve Entrapment
    • Compressive neuropathy caused by hypertrophied abdominal muscle
      • results from intensive training
    • Physical exam
      • pain exacerbated by hyperextension of hip
      • possible hyperesthesia
    • Treatment
      • nonoperative
        • nonoperative treatment indicated in most cases
      • operative
        • operative release occasionally needed in refractory cases
  • Obturator nerve entrapment
    • Compressive neuropathy of obturator nerve in patients with a well developed hip adductor muscles
      • common in athletes, especially skaters
    • Symptoms
      • chronic medial thigh pain
    • Evaluation
      • nerve conduction studies can help establish diagnosis
    • Treatment
      • nonoperative
        • nonoperative treatment indicated in most cases
  • Lateral femoral cutaneous nerve entrapment (meralgia paresthetica)
    • Compressive neuropathy of lateral femoral cutaneous nerve
      • exacerbated by
        • tights belts
        • prolonged hip flexion
    • Treatment
      • nonoperative
        • release of compressive objects, therapy, and NSAIDS are usually curative
  • Sciatic Nerve Entrapment
    • May occur throughout the length of the nerve
      • most common locations
        • ischial tuberosity
        • piriformis muscle belly
          • see piriformis syndrome
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