Systematic Resection of the Visible Scar After Incomplete Endoscopic Resection of Rectal Neuroendocrine Tumors
Loïc Cheminel, Alexandru Lupu, Timothée Wallenhorst, Vincent Lépilliez, Sarah Leblanc, Jérémie Albouys, Einas Abou Ali, Maximilien Barret, Diane Lorenzo, Louis de Mestier, Pascal Burtin, Paul Girot, Yann Le Baleur, Romain Gérard, Clara Yzet, Karl Tchirikhtchian, Thibault Degand, Adrian Culetto, Arnaud Lemmers, Marion Schaefer, Jean‐Baptiste Chevaux, Peng Zhong, Valérie Hervieu, Fabien Subtil, Jérôme Rivory, Caroline Fine, Jérémie Jacques, Thomas Walter, Mathieu Pioche
Abstract
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.