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Abstract

Medicine

Robotic Vagus-Sparing Total Gastrectomy for CDH1 Gene Mutation Treatment

Published: December 8th, 2023

DOI:

10.3791/65303

1Saint George and Sutherland Clinical School, Faculty of Medicine, The University of New South Wales

Abstract

Hereditary diffuse gastric cancer (HDGC) caused by the CDH1 gene mutation is an inherited cancer syndrome that increases the risk of diffuse gastric cancer and is nearly impossible to detect by screening gastroscopy. The recommended preventative treatment is a total gastrectomy. Robotic surgery facilitates the use of minimally invasive surgical (MIS) techniques for anastomoses and posterior vagus preservation to potentially reduce adverse functional outcomes. An asymptomatic 24 year old male with the CDH1 gene mutation proven by genetic testing and a family history of a brother having a total gastrectomy for HDGC was treated with this technique. This video case report demonstrates the techniques and pitfalls of robotic surgery in terms of the patient positioning and port placement, posterior vagus-preserving dissection, sutured esophagojejunostomy, jejunal pouch formation, and Roux-en-Y reconstruction with a staple-stapled jejunojejunostomy. While these techniques are demonstrated in the case of prophylactic gastrectomy, many of them can be applied to other benign and bariatric foregut and general surgery types.Robotic surgery can facilitate the foregut MIS technique, as described in this case of a vagus-sparing total gastrectomy.

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