Localization of colorectal tumor for laparoscopic surgery: Preoperative tattooing and intraoperative colonoscopy
Background: Tumor localization is important for laparoscopic colorectal surgery because it is not possible to palpate colonic tumors intracorporeally during the operation. We present our experiences of comparison for localization of the lesions for laparoscopic colorectal cancer surgery with preoperative colonoscopic tattooing and intraoperative colonoscopy.
Methods: A retrospective study was performed with 142 patients who were performed laparoscopic surgery for colorectal tumors including cancer. Perioperative outcomes of 104 patients with preoperative tattooing were compared with 38 patients of intraoperative colonoscopy.
Results: Patients’ demographic data were not different in both groups. The operation time was longer in the intraoperative colonoscopy group than in preoperative tattooing group (187.1 ±54.1 vs. 157.4 ±45.0, p=0.001), and the time to first postoperative flatus was shorter in the preoperative tattooing group than in the intraoperative colonoscopy group (1.9 ± 0.9 vs. 2.7 ± 1.2, p=0.001). The inaccurate tattooing was observed during the operation in 10 patients (9.6%), and intraoperative colonoscopic localizations were done in these patients. The type of tattooing inks was the significant factor for ten inaccurate preoperative tattooing for tumor localization (p=0.019).
Conclusions: This study demonstrates that Colonoscopic tattooing might be considered as a safe and feasible method for localization in laparoscopic colorectal surgery. Prolonged operation time and delayed postoperative bowel function was noted in Intraoperative colonoscopic localization.
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