Transanal Total Mesorectal Excision
Transanal total mesorectal excision (taTME)—a down-to-up surgery in which traditional TME that was performed from the abdominal cavity side is endoscopically performed from the perineum side—was proposed, and its safety and efficacy were shown.
taTME could offer a unique anatomical recognition different from traditional TME. Especially when dissecting the anterior wall, recognition of rectourethral muscle and Denonvilliers’ fascia is characteristic of this technique.
Though there are some issues with taTME that need to be solved, it is expected to be effective in patients with severe obesity or a huge uterine fibroid that makes expansion of the visual field and dissecting with standard laparoscopic surgery difficult.
KeywordsTME Trans-anal TME Rectal cancer ISR
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