The thesis “Grip on CPIP” focuses on chronic inguinal postoperative pain (CPIP). Since the introduction of the prosthetic mesh several operation techniques to correct inguinal hernia have been developed (Lichtenstein, TEP(total extraperitoneal hernioplasty)) which has reduced the recurrence rate to less than five percent. Now the recurrence is not that an issue anymore, an other complication has caught the attention: CPIP. About fifteen percent of the inguinal hernia patients suffer from CPIP. “Grip on CPIP” investigates several aspects of this phenomenon. A relation between the three inguinal nerves and CPIP is described. Not all surgeons who perform inguinal hernia surgery are aware of the neuranatomy and the feasibility of nerve minded i...