Preoperative carbon nanoparticles and titanium clip combined labeling method for transverse colon tumor surgery

摘要

We read with great interest the article entitled “Usefulness of preoperative CT colonography for colon cancer” by Sato K et al in the Asian Journal of Surgery.' The authors pointed hat computed tomographic colonography (CTC) is an effective way to locate preoperative colon cancer. How- ever, when the lesion is small (<10 mm), the sensitivity of his method is decreased. CTC is not appropriate when the esion has already caused intestinal obstruction. And CTC needs to infuse at least 2L of carbon dioxide gas, which is not a good experience for patients. Accurate preoperative Positioning is critical for laparoscopic colon surgery, so our eam used the carbon nanoparticles and titanium clip combined labeling method for laparoscopic colon surgery. The location of colon tumor is crucial for the choice of surgical approach, especially when the tumor is located in he transverse colon. Because the resection range of the ransverse colon tumor near the hepatic flexure is different with that near the splenic flexure, which make the ap- proaches quite different.