Rectal Cancer: Local Excision

Rebecca Hoedema
Rectal Cancer: Local Excision is a topic covered in the ASCRS Textbook of Colon and Rectal Surgery.

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Key Concepts

  • Local excision of biopsy-proven rectal cancer requires en bloc full-thickness dissection.
  • Predictors of lymph node metastases include tumor depth, lymphovascular invasion, poor differentiation, and tumor budding.
  • Local recurrence rates for T2 rectal cancers treated with neoadjuvant therapy and local excision appear similar to those of T1 cancers treated with local excision alone.
  • Transanal endoscopic surgery techniques including transanal endoscopic microsurgery (TEM) and transanal minimally invasive surgery (TAMIS) may improve surgical outcomes as compared to standard transanal excision techniques.

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Key Concepts

  • Local excision of biopsy-proven rectal cancer requires en bloc full-thickness dissection.
  • Predictors of lymph node metastases include tumor depth, lymphovascular invasion, poor differentiation, and tumor budding.
  • Local recurrence rates for T2 rectal cancers treated with neoadjuvant therapy and local excision appear similar to those of T1 cancers treated with local excision alone.
  • Transanal endoscopic surgery techniques including transanal endoscopic microsurgery (TEM) and transanal minimally invasive surgery (TAMIS) may improve surgical outcomes as compared to standard transanal excision techniques.

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Last updated: January 26, 2022