What are the signs and symptoms of ilioinguinal nerve entrapment?

Updated: Oct 15, 2019
  • Author: Minoo Hadjari Hollis, MD; Chief Editor: Thomas M DeBerardino, MD  more...
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Symptoms of ilioinguinal nerve entrapment may include hyperesthesia or hypoesthesia of the skin along the inguinal ligament. The sensation may radiate to the lower abdomen. Pain may be localized to the medial groin, the labia majora or scrotum, and the inner thigh. The characteristics of the pain may vary considerably. Patients may be able to associate their pain clearly with a traumatic event or a surgical procedure.

In as many as 75% of patients, pain and tenderness may be present when pressure is applied where the nerve exits the inguinal canal. Sensory impairment is common in the distribution of the nerve supply. Symptoms usually increase with hip extension (patients walk with the trunk in a forward-flexed posture). Pain may also be reproduced with palpation medial to the anterior superior iliac spine (ASIS).

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