Transanal Minimally Invasive Surgery (TAMIS) has revolutionized local excision of mid and high rectal\nlesions; benign or malignant. It is a technique that is developed as a hybrid between Transanal Endoscopic\nMicrosurgery (TEM) and laparoscopic surgery for resection of rectal lesions.\nMethods: We retrospectively reviewed prospectively collected data on patients who underwent TAMIS for benign\nand early malignant rectal lesions between Jan 2015 and Sept 2019, at Hamad General Hospital, Doha, Qatar.\nWe assessed the following outcomes: feasibility, fragmentation of specimen, operative time, length of stay (LOS)\npost-operative complications, and margin negativity.\nResults: Seventeen consecutive patients underwent TAMIS for benign and malignant rectal lesions. The average\nlength of stay (LOS) is 1.5 days (1-6 days). Seven patients had different types of benign adenomas, five patients had\nproven adenocarcinoma, three patients had well-differentiated neuroendocrine tumors, one patient with\nhyperplastic polyp, and one patient had inflammatory polyp. No fragmentation occurred or detected by\nhistopathologic examination, except in a patient who had inflammatory polyp, where the lesion removed in two\nfragments.\nConclusion: TAMIS procedure is feasible and safe even in a relatively low-volume colorectal unit. Using this tool,\nmany patients can avoid unnecessary radical surgery. Therefore, we believe that TAMIS should form part of every\nspecialized colorectal service repertoire. To our knowledge, this is the largest series in the gulf region.
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