Distal resection margins before and after fixation: a comparative analysis in rectal cancer surgery - Takeaways - MDSpire

Evaluation of Distal Margin Measurements in Rectal Cancer Surgery: A Comparison of Fresh and Fixed Specimens

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The study analyzed distal margin measurements in rectal cancer specimens before and after formalin fixation.
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Mean distal margin decreased from 4.39 cm in fresh specimens to 3.90 cm post-fixation, reflecting a 13.2% shrinkage.
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Two specimens measured below 1 cm after fixation, although neither patient experienced local recurrence during follow-up.
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The findings suggest that formalin fixation can affect pathological assessment of distal margins in rectal cancer.
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Larger studies are needed to explore the clinical implications of margin shortening due to fixation.

Frontiers In Surgery

by Akay Edizsoy, Orkhan Mirzayev, Hatice Barak, İbrahim Meteoğlu, Pars Tunçyürek
August 17, 2026

Jama Network Open

Frontiers In Oncology

Frontiers In Medicine

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