Intersphincteric Resection for Rectal Adenocarcinoma: Technique, Indications, and Results

Aim: To describe the technique and indications of ISR and review the oncological and functional results of this technique in the management of very low rectal adenocarcinoma. Methods: This is a literature review of intersphincteric resection in the management of rectal adenocarcinoma. Results: Intersphincteric resection allows extending the indications of sphincter-sparing surgery to very low rectal adenocarcinoma. Morbidity, mortality, pathological data and long-term oncological outcomes are good. Functional outcomes are good in 51% of the cases. Conclusion: These results would help the physician to better inform patients with low rectal tumors about the predictive outcomes of this technique and assist him in choosing among the different options available.