HighlightsParaduodenal hernia is a rare disease but the most common internal hernia.Computed tomography is the standard for a correct diagnosis in left paraduodenal hernia.Laparoscopic repair of paraduodenal hernia is feasible and effective because of its minimal invasiveness and aesthetic advantage.

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Highlights Extreme lateral interbody fusion is a minimally invasive lateral transpsoas approach for spine surgery. The risk of abdominal wall incisional hernias following spinal surgeries needs to be recognized as a possible complication. Laparoscopic repair for abdominal wall incisional hernia after spine surgery is safe and feasible.

Highlights Cryptorchidism is the most common disorder of male children, which is often diagnosed and treated during childhood. A case of adult inguinal hernia with cryptorchidism is rare condition. TAPP and simultaneous laparoscopic orchiectomy for inguinal hernia with cryptorchidism were safe and feasible.

A 31-year-old man presented to our hospital’s Emergency Department with sudden epigastric pain and vomiting. He had undergone endoscopic resection via the retroperitoneal route for a retroperitoneal tumor located in the left diaphragmatic crus of the esophageal hiatus at another hospital 8 months previously. Radiography and computed tomography showed inversion of the stomach beyond the diaphragm into the thoracic cavity, with the gastroesophageal junction serving as the fulcrum point. This finding led to a diagnosis of postoperative diaphragmatic hernia accompanied by an upside-down stomach (UDS). The prolapsed stomach in the thoracic cavity was reduced to the abdominal cavity using laparoscopic surgery. The postoperative course was favorable, and the patient was discharged from the hospital on postoperative day 7. No recurrence has been observed in the past 5 years. The pathological condition of a UDS observed in esophageal hiatal hernias may be found in postoperative diaphragmatic hernias. Laparoscopic surgery for a postoperative diaphragmatic hernia with a UDS is considered a useful surgical procedure. Laparoscopic surgery can simultaneously confirm the viability of the herniated organs, reduce the organs to the abdominal cavity, and close and reinforce the diaphragm.