Objective To evaluate the clinical application of Vater ampulla-duodenal conjunction resection in the treatment of periampullary carcinoma. Methods From January 2005 to July 2006, 15 patients underwent this modus operandi, including carcinoma of duodenal papilla (6 cases), Vater ampulla (5 cases) and lower part of common bile duct (4 cases). The descending part of duodenum, Vater ampulla, head of pancreas and common bile duct were excised en bloc followed by reconstruction of GI conduit. Result One patient died of stress ulcer 2 months postoperatively, the 14 patients recovered uneventfully without any major complications, and 3-16 months follow-up found no tumor recurrence. Conclusion Vater ampulla-duodenal conjunction resection as a new surgical procedure provides enough tumor margin clearance while causing less trauma than standard pancreatoduodenectomy in selected cases of periampullary carcinoma.

Mitochondrial DNA (mtDNA) is the circulating genome in mitochondria, and it is easy to accumulate oxidative damage, causing mitochondrial dysfunction, and then cell dysfunction, and even tissue and body pathological changes, leading to diseases. As a pro-inflammatory, inflammatory, and even predictive factor, mtDNA is directly involved in the inflammatory response and the pathogenesis of many diseases. This article aims to review the current pathogenesis of mtDNA damage and its pathogenic role in various human diseases.