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Annals of Surgical Oncology

, Volume 23, Issue 3, pp 918–918 | Cite as

Pushing the Limits of Local Excision for Rectal Cancer: Transanal Minimally Invasive Surgery (TAMIS) for Rectal Cancer Using the Port-in-Port Technique

  • Celia Robinson
  • Avo ArtinyanEmail author
Original Article – Colorectal Cancer

Abstract

Background

Radical rectal resection remains the standard of care for the operative treatment of rectal cancer. Local excision via transanal minimally invasive surgery (TAMIS) using disposable transanal access ports is an increasingly more common alternative for selected patients. Because of significant variation in perineal anatomy, currently available disposable transanal ports do not allow adequate access for every patient. This report demonstrates TAMIS for one such patient via a novel approach using a single-incision laparoscopic port inserted within a disposable transanal access port.

Methods

The patient is a 66-year-old man with a history of metastatic anterior uT3N0 rectal cancer 9 cm from the anal verge occupying 40 % of the rectal circumference. The patient refused radical resection and opted for multimodality therapy with local excision. He underwent preoperative chemoradiation with good tumor response. The TAMIS procedure was attempted and aborted due to poor visualization and inadequate access/exposure using the commercially available Gelpoint Path transanal access system. The TAMIS procedure was reattempted and successfully completed via insertion of a laparoscopic single-incision port (GelPoint Mini) within the transanal access port itself (port-in-port technique) to overcome the deficiencies of the transanal access port. This report describes the port-in-port technique together with the stepwise approach to TAMIS.

Results

The TAMIS procedure was completed successfully without complications involving grossly negative margins. The patient’s postoperative course was uncomplicated, and he was discharged on postoperative day 1. The final pathology showed a complete pathologic response. At this writing, the patient continues to do well 14 months after surgery.

Conclusions

Currently available disposable transanal access ports may not allow adequate exposure for all patients undergoing TAMIS. This report describes a port-in-port technique that may allow improved exposure for patients with a difficult perineal anatomy.

Keywords

Rectal Cancer Local Excision Anal Verge Complete Pathologic Response Multimodality Therapy 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Supplementary material

Supplementary material 1 (MOV 118155 kb)

Copyright information

© Society of Surgical Oncology 2015

Authors and Affiliations

  1. 1.Michael E. DeBakey Department of SurgeryBaylor College of MedicineHoustonUSA

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