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Related Experiment Videos

Transanal endoscopic microsurgery: where are we now?

Sushil Maslekar1, Daniel L Beral, Tim J White

  • 1Academic Surgical Unit, University of Hull and Castle Hill Hospital, Hull, UK.

Digestive Surgery
|May 6, 2006
PubMed
Summary

Transanal endoscopic microsurgery (TEM) offers precise dissection for rectal lesions, with low morbidity and mortality. While effective for early-stage cancers, it is not recommended for high-risk or advanced rectal lesions.

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Area of Science:

  • Colorectal Surgery
  • Minimally Invasive Procedures
  • Oncology

Background:

  • Transanal endoscopic microsurgery (TEM) is a minimally invasive technique for rectal lesion management.
  • Its role and current status require comprehensive evaluation.
  • Understanding TEM's efficacy is crucial for treatment planning.

Purpose of the Study:

  • To assess the role of transanal endoscopic microsurgery (TEM) in managing rectal lesions.
  • To establish the current status of TEM for benign and malignant rectal conditions.
  • To evaluate oncological outcomes and functional results of TEM.

Main Methods:

  • A comprehensive literature review was conducted using the Medline database.
  • 54 relevant publications on TEM for rectal lesions were identified and cross-referenced.

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  • Data aggregation was performed, but statistical comparisons were limited due to data heterogeneity.

    • Main Results:

    • TEM demonstrates good functional outcomes with 4% morbidity and zero procedure-related mortality.
    • Local recurrence rates vary: 4.5% (benign), 6% (pT1), 14% (pT2), and 20% (pT3).
    • Local recurrences after TEM are salvageable with good disease-free survival.

    Conclusions:

    • TEM provides excellent visualization and precise dissection, accessing high rectal lesions.
    • Oncological results for pTis and low-risk pT1 lesions are comparable to formal resection.
    • Routine TEM for high-risk pT1 and higher-stage lesions is not currently oncologically recommended.