A 51-year-old man injured in a motor vehicle collision arrived at our hospital by ambulance. Multiple fractures, a splenic injury, and right flank abdominal wall hernia were detected. The fractures were treated by the orthopedics department, while the splenic injury was treated conservatively. The abdominal wall hernia was treated by an elective operation due to the lack of incarceration after the patient underwent 1 month of hospitalization and 3 months of rehabilitation. Use of the transabdominal preperitoneal approach identified the hernial orifice from the intraperitoneal side on laparoscopy, and the abdominal wall hernia was successfully repaired. On the 5 th postoperative day, no hernia was visible on CT. The postoperative course was uneventful and the patient was discharged from the hospital on the 12 th postoperative day. This case represents a rare instance of laparoscopic surgery for a traumatic abdominal wall hernia, and this is the first report of reduced port surgery of a patient treated in Japan. Here we describe a case in which laparoscopic abdominal wall hernia repair successfully treated a traumatic abdominal wall hernia. Key words：traumatic abdominal wall hernia，laparoscopic abdominal wall hernia repair，mesh

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