Hybrid approach using laparoscopy and transanal minimally invasive surgery to treat rectal cancer with invasion to the seminal vesicles

Abstract

We treated a 64-year-old man for rectal cancer with direct invasion to the seminal vesicles and no distant metastases by complete resection with laparoscopy and transanal minimally invasive surgery (TAMIS). We inserted the TAMIS device into the anal canal to above the anorectal ring and dissected to prostate level. High ligation of the inferior mesenteric artery and vein was performed by standard medial laparoscopy. The sigmoid and descending colon were mobilized, and in the postrectal space, we dissected to the space made by TAMIS. The membranous peritoneum was dissected on both sides of the rectum to the cul de sac. The peritoneum was dissected anterolaterally to reveal the seminal ducts, which were ligated and dissected on both sides. The seminal vesicles were dissected from the posterior wall of the bladder to the prostate level. The rectal specimen was now fully mobilized. Lower rectal resection with combined laparoscopy and TAMIS provided a better surgical plane than standard laparoscopy.

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