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Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
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Related Experiment Video

Updated: Mar 24, 2026

Robot-assisted Total Mesorectal Excision and Lateral Pelvic Lymph Node Dissection for Locally Advanced Middle-low Rectal Cancer
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[Transanal endoscopic microsurgery (TEM) our experience].

O Robek, V Čan, T Svoboda

    Rozhledy V Chirurgii : Mesicnik Ceskoslovenske Chirurgicke Spolecnosti
    |March 17, 2016
    PubMed
    Summary
    This summary is machine-generated.

    Transanal endoscopic microsurgery (TEM) offers a safe and effective method for removing selected rectal tumors. This minimally invasive technique is suitable for low-risk, non-advanced rectal cancers and benign tumors, preserving sphincter function.

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    Area of Science:

    • Colorectal Surgery
    • Minimally Invasive Surgery
    • Oncology

    Background:

    • Transanal endoscopic microsurgery (TEM) is an operative approach for rectal tumors.
    • Benign rectal tumors and rectal cancer are common indications.
    • Patient selection is crucial for successful TEM outcomes.

    Purpose of the Study:

    • To present the experience with transanal endoscopic microsurgery (TEM) in a selected group of patients with rectal tumors.
    • To evaluate the feasibility and safety of TEM for rectal tumor removal.
    • To assess the efficacy of TEM in achieving radical resection.

    Main Methods:

    • Retrospective study of 80 patients who underwent TEM for rectal tumors.
    • Collection and statistical evaluation of preoperative and postoperative indicators.
    • Assessment of histological examination, resection depth, and demographic data.

    Main Results:

    • No significant age difference between sexes, with a mean patient age of 64 years.
    • Majority of patients were male, primarily referred for bleeding low-grade adenomas.
    • 17 patients had malignant tumors diagnosed postoperatively, with no prior signs of malignancy.

    Conclusions:

    • TEM is a feasible option for radical removal of locally non-advanced rectal malignancies by experienced surgeons.
    • TEM is a safe procedure with no alteration of rectal sphincter function.
    • Strict patient selection, technical mastery, and experience are key to successful TEM outcomes for suitable rectal tumors.