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Systematic Resection of the Visible Scar After Incomplete Endoscopic Resection of Rectal Neuroendocrine Tumors

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Cheminel, Loïc | Lupu, Alexandru | Wallenhorst, Timothée | Lepilliez, Vincent | Leblanc, Sarah | Albouys, Jérémie | Abou Ali, Einas | Barret, Maximilien | Lorenzo, Diane | de Mestier, Louis | Burtin, Pascal | Girot, Paul | Le Baleur, Yann | Gerard, Romain | Yzet, Clara | Tchirikhtchian, Karl | Degand, Thibault | Culetto, Adrian | Lemmers, Arnaud | Schaefer, Marion | Chevaux, Jean-Baptiste | Zhong, Peng | Hervieu, Valérie | Subtil, Fabien | Rivory, Jérôme | Fine, Caroline | Jacques, Jérémie | Walter, Thomas | Pioche, Mathieu

Edité par CCSD ; Lippincott, Williams & Wilkins -

International audience. INTRODUCTION: When initial resection of rectal neuroendocrine tumors (r-NETs) is not R0, persistence of local residue could lead to disease recurrence. This study aimed to evaluate the interest of systematic resection of non-R0 r-NET scars. METHODS: Retrospective analysis of all the consecutive endoscopic revisions and resections of the scar after non-R0 resections of r-NETs. RESULTS: A total of 100 patients were included. Salvage endoscopic procedure using endoscopic submucosal dissection or endoscopic full-thickness resection showed an R0 rate of near 100%. Residual r-NET was found in 43% of cases. DISCUSSION: In case of non-R0 resected r-NET, systematic scar resection by endoscopic full-thickness resection or endoscopic submucosal dissection seems necessary.

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