Abstract
Background: This study describes a personal experience with the use of transanal endoscopic microsurgery to facilitate surgical access, and to determine the ability of this technique to reduce the need for major abdominal procedure and prevent the need for a temporary or permanent colostomy in select patients with known or suspected rectal cancer. Methods: The subjects of this study were 43 patients with rectal cancer or tumors who had a high likelihood of malignancy. The 24 men and 19 women comprised two groups: patients with known cancer (n = 16) and patients with tumors suspicious for cancer (n = 27), six of whom proved to have invasive malignancy. The tumors ranged in size from 1 to 7 cm (average, 3.5 cm). The tumor’s inferior level in the rectum ranged from −1 to 21 cm (average, 6.5 cm). Eleven patients known to have rectal cancer were treated with preoperative radiation or chemoradiation. By ordinary standards, 22 patients would have received an abdominal perineal resection; 14 patients would have qualified for abdominal sphincter–preserving operations; and 7 patients were indeterminate. Full-thickness local excisions were disk excisions (n = 23), hemicircumferential excisions (n = 19), and sleeve resection (n = 1). The ages of the patients ranged from 30 to 91 years (average, 66.7 years). Results: In this study, 90% avoided a major abdominal operation (39/43), and 90% avoided an abdominal perineal resection of the patients (20/22). The complications were as follows: mortality (n = 10), morbidity (n = 9), minor wound separation (n = 6), and major wound separation (n = 3). Two of these complications were rectovaginal fistulas: the one in a 91-year-old patient who presented with a fistula and the other in a 77-year-old patient who presented with a previously irradiated and incompletely excised cancer. A single instance of locally recurrent cancer required an abdominal perineal resection. There were no other recurrences. Overall, three patients required a stoma (7%). Conclusion: Transanal endoscopic microsurgery promises to offer a safe and effective option for the selective treatment of patients with rectal cancer after preoperative chemoirradiation, and for the management of tumors suspicious for rectal cancer. Transanal endoscopic microsurgery used selectively can reduce the need for major abdominal surgery and colostomy.
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Marks, J., Marchionni, C. & Marks, G. Transanal endoscopic microsurgery in the treatment of select rectal cancers or tumors suspicious for cancer . Surg Endosc 17, 1114–1117 (2003). https://doi.org/10.1007/s00464-002-8873-z
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DOI: https://doi.org/10.1007/s00464-002-8873-z