Most duodenal diverticula (DD) are asymptomatic and rarely develop perforations. Perforation is the most serious complication of DD and often requires emergency surgery. A 97-year-old woman who had undergone total gastrectomy and Roux-en-Y reconstruction 30 years ago was referred to our department with chief complaints of abdominal pain and fever during her hospitalization after femoral neck fracture surgery in the orthopedic department. Contrast-enhanced computed tomography showed free air and residue in the abdominal cavity and right retroperitoneum, and an emergency laparotomy was performed. The abdominal cavity was mildly contaminated, and a 6-cm DD with a 1-cm perforation in the wall of the diverticulum on the contralateral side of the mesentery of the duodenum was found. Diverticulectomy and duodenal closure were performed and a drainage tube was placed. The patient experienced no complications and was transferred to the orthopedic department on postoperative day 10. Reports of perforation of DD after gastrectomy are very rare. Particular attention should be paid to perforation of DD after Billroth-II and Roux-en-Y reconstructions as they involve the formation of a duodenal stump that differs from the normal anatomy and may be highly invasive surgical procedures, depending on the degree of inflammation and fistula formation.

An 84-year-old man with gastric cancer, cT2N0M0, cStage Ⅰ underwent laparoscopic distal gastrectomy, D1+dissection, and Roux-en-Y reconstruction. We started enteral nutrition on the second postoperative day, but milky drainage appeared from the drain on the fifth postoperative day. The triglyceride in the ascites was markedly elevated, and it was diagnosed as a lymphorrhea. Neither conservative treatment nor lymphangiography were successful. We decided to perform surgical intervention because the lymphorrhea did not improve for about 1 month after gastrectomy. At laparotomy, we detected the lymphatic ducts using enteral nutrition of fat formulas during surgery and successfully closed the lymphatic ducts by suturing and ligation on the 38th postoperative day. Prolonged lymphorrhea causes extreme deterioration of the patient\'s general condition. Prolonged total parenteral nutrition also increases the risk of infection. It is important to perform surgical treatment for intractable lymphorrhea that does not improve with conservative treatment without hesitation.

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During pediatric liver transplant, biliary reconstruction is often performed using Roux-en-Y choledoc-hojejunostomy or hepaticojejunostomy due to size mismatch, excessive tension caused by distance between donor and recipient ducts, or for transplant to treat primary biliary pathology. This method can be associated with additional small bowel-related complications compared with end-to-end ductal anastomosis. We report a case of late small bowel obstruction secondary to an impacted bezoar that formed at a patulous jejunojejunostomy portion of the biliary-enteric anastomosis. The patient was a 26-year-old male patient, who underwent deceased donor whole liver transplant for pediatric acute liver failure. Prior to his presentation to our institution with 2 days of abdominal pain, nausea, persistent burping, and intermittent vomiting, the patient reported an uneventful posttransplant course and was followed up at the institution where his transplant was performed. There were no reported changes in diet or lifestyle and no similar episodes during his follow-up. The patient was managed surgically after a brief trial of nonoperative management. At laparotomy, the anastomosis was resected and reconstructed to improve enteric drainage and prevent recurrent bezoar formation. The patient was discharged with no postoperative complications and remained asymptomatic at 11 months follow-up. We describe the clinical course and our technical approach at initial choledochojejunostomy creation and at jejunojejunostomy revision.

BACKGROUND: Gastric stump carcinoma (GSC) is very exceptional and little known after Whipple procedure, and its diagnosis and treatment are extremely difficult to handle.
METHODS: The patient, a 68-year-old man, visited our hospital\'s General surgery outpatient clinic complaining of upper abdominal pain that had been bothering him for half a month. The endoscopy revealed lesions in the stomach residual, and the pathological results suggested adenocarcinoma. The patient underwent Whipple procedure for periampullary adenocarcinoma in the 4th year ago.
METHODS: The final diagnosis was gastric adenocarcinoma and its pathological stage was Ⅱ A (T3N0M0).
METHODS: The patient underwent stump gastrectomy and end-to-side esophagojejunostomy (Roux-en-Y reconstruction).
RESULTS: The operation went smoothly and the patient recovered well with only mild bloating and nausea, and the symptoms completely disappeared during the hospital stay.
CONCLUSIONS: The development of GSC several years after Whipple procedure is uncommon. This is the first case from China that has received international attention. Early diagnosis is crucial. Surgery is considered to be the most effective treatment for GSC after Whipple procedure if long-term survival is possible and surgical risks are controllable.

UNASSIGNED: To investigate the clinical effect of laparoscopic-assisted proximal gastrectomy with postoperative double-channel digestive tract reconstruction.
UNASSIGNED: A total of 40 patients with proximal gastric cancer who underwent gastrectomy in Zhujiang Hospital, Southern Medical University, were selected to collect relevant clinical data. They were divided into two groups according to their treatment methods: TG-RY group (total gastrectomy with Roux-en-Y reconstruction group) and PG-DT group (proximal gastrectomy with double tract reconstruction group). The general data, perioperative indicators, nutritional indicators, and postoperative complications of the two groups were analyzed and compared.
UNASSIGNED: There was no statistical significance in the comparison of general data between the two groups, but the proportion of III stage patients of TNM stage in the PG-DT group was larger than that in the TG-RY group. Meanwhile, the intraoperative blood loss, postoperative hospital stay, and first exhaust time in PG-DT group were lower than those in TG-RY group (P < 0.05). After surgery, the nutritional indexes of the PG-DT group decreased, and the decrease degree was less than that of the TG-RY group, while the infection indicators of the PG-DT group increased less than that of the TG-RY group. Statistical analysis of postoperative complications showed that the total incidence of PG-DT group was lower than that of TG-RY group.
UNASSIGNED: Proximal gastric cancer resection and postoperative DTR anastomosis can effectively speed up the recovery of patients and reduce the incidence of postoperative complications, with good efficacy. This experiment provides evidence for the advantages of various postoperative anastomosis methods and also provides a reliable basis for clinicians\' diagnosis and treatment, thus effectively improving patients\' postoperative quality of life.

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