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[Transanal endoscopic microsurgery (TEM)].

K Yamasaki¹, K Shirouzu

¹Department of Surgery, Kurume University School of Medicine, Japan.

Nihon Geka Gakkai Zasshi

|February 10, 2000

Summary

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Transanal endoscopic microsurgery (TEM) offers a minimally invasive approach for rectal tumors, enabling radical resection even in upper rectal sections. This technique demonstrates a high success rate with low postoperative complications for rectal cancer, carcinoid, and adenoma.

Area of Science:

Colorectal Surgery
Surgical Oncology
Minimally Invasive Procedures

Context:

Minimally invasive surgery is crucial for rectal tumors to minimize complications and enhance patient quality of life.
Conventional transanal surgery faces limitations in accessing middle and upper rectal thirds due to anatomical constraints.

Purpose:

To evaluate the efficacy and safety of Transanal Endoscopic Microsurgery (TEM) for radical resection of rectal tumors.
To assess the feasibility of TEM in reaching and removing tumors in all rectal thirds.

Summary:

Fifty patients with rectal tumors (34 cancer, 4 carcinoid, 12 adenoma) underwent radical TEM.
The procedure required conversion to open surgery in 2 cases due to rectal perforation and in 1 case postoperatively for cancer invasion.

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TEM facilitated radical excision in distal and proximal rectal locations, with preoperative staging using barium enema, endoscopic ultrasound, and biopsy.

Impact:

Transanal endoscopic microsurgery (TEM) is a valuable technique for radical rectal tumor resection.
The study reports a low rate of postoperative complications and a high surgical success rate with TEM.
TEM expands minimally invasive options for treating a spectrum of rectal neoplasms.