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How do you treat anal margin tumors?

Per NCCN, only well-differentiated T1 lesions (with 1cm surgical margins) should be excised (with no other treatment). Do you follow this at your instutions? Or are anal margin tumors treated as skin lesions with local excision and no other treatment if the margins are clear and there is no sphincter involvement?
1 Answer
Mednet Member
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Radiation Oncology · Memorial Sloan-Kettering Cancer Center
Answered on

Yes that is the standard of care for anal margin tumors. Even if there is a positive margin it is reasonable to consider following well and moderately differentiated tumors without lymphovascular space invasion closely and using definitive treatment as a salvage. These tumors rarely progress rapidly...

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