Obturator Hernias


  • The abdominal/ pelvic contents hernia through the obturator foramen due to a defect in the pelvic floor
  • More common in women (particularly in older age after multiple pregnancies / vaginal deliveries)
  • Often asymptomatic or presenting with irritation to the obturator nerve
  • Howship–Romberg sign:
    • Pain extending from the inner thigh to the knee when the hip is internally rotated due to compression of the obturator nerve
  • Can present once complications occur
    • Incarceration
    • Obstruction
    • Strangulation
  • Can be diagnosed by CT or MRI of the pelvis or incidentally during pelvic surgery
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