Injection of local anaesthetic and steroid around the genitofemoral nerve for chronic pain in the scrotum in men, over the mons pubis and the labia majora in women and pain in the groin and around the upper inner aspect of the thigh. Chronic pain in these areas may develop after a hernia operation where the genitofemoral nerve has been irritated or injured or if it is pressurised in the inguinal canal.