All patients in this study have MRI scan prior to hernia repair surgery. If inflammatory changes are present, the scan is repeated 6 months after surgery. If not, the scan is performed only if the patient has pain problems at 6 months.

MRI scan with a 1,5 T MRI scanner

MRI scan is performed preoperatively and 6 months postoperatively to find possible inflammatory changes in the inguinal area, and the changes that a hernia mesh repair causes. If preoperative MRI scan does not have inflammatory changes, 6-month-MRI is only performed on-demand (if the patient is experiencing prolonged pain.

Preoperative and postoperative patient questionaires are used. Preoperative values are examined to determine, if they can be used to predict postoperative pain problems.