Journal
SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES
Volume 37, Issue 7, Pages 5714-5718Publisher
SPRINGER
DOI: 10.1007/s00464-023-10141-7
Keywords
T1 colorectal adenocarcinoma; Endoscopic resection; Transanal endoscopic microsurgery
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A new endoscopic technique has been designed for the resection of highly suspicious deep submucosal invasion rectal carcinoma, which can overcome the limitations of surgical resection and other endoscopic treatments.
BackgroundEndoscopic techniques allow resections of deep submucosal invasion rectal carcinoma, but mostly are facing issues such as costs, follow-up care or size limit. Our aim was to design a new endoscopic technique, which retains the advantages over surgical resections while eliminating the disadvantages mentioned above.Patients and methodsWe propose a technique for the resection of the superficial rectal tumours, with highly suspicious deep submucosal invasion. It combines steps of endoscopic submucosal dissection, muscular resection and edge-to-edge suture of the muscular layers, finally performing the equivalent of a transanal endoscopic microsurgery with a flexible colonoscope (F-TEM).ResultsA 60-year-old patient was referred to our unit, following the discovery of a 15 mm distal rectum adenocarcinoma. The computed tomography and the endoscopic ultrasound examination revealed a T1 tumour, without secondary lesions. Considering that the initial endoscopic evaluation highlighted a depressed central part of the lesion, with several avascular zones, an F-TEM was performed, without severe complication. The histopathological examination revealed negative resection margins, without risk factors for lymph node metastasis, no adjuvant therapy being proposed.ConclusionF-TEM allows endoscopic resection of highly suspicious deep submucosal invasion T1 rectal carcinoma and it proves to be a feasible alternative to surgical resection or other endoscopic treatments as endoscopic submucosal dissection or intermuscular dissection.
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