Combined endoscopic laparoscopic surgical treatment of advanced adenomas and early colon cancer.

A subgroup of patients with benign colonic neoplasia is unsuitable for standard endoscopic treatment modalities. These patients may benefit from a combined endoscopic and laparoscopic surgical (CELS) approach. A CELS procedure may even be an option for some patients with a small malignant lesion where resection of the colon may be associated with an excessively high risk of proced-ure-related morbidity and mortality. All patients considered for a CELS procedure were evaluated at a multidisciplinary team conference. The CELS procedures were performed as laparoscopy-assisted endoscopic mucosal resections or endoscopy-assisted laparoscopic resections. A total of 25 patients were included. Five patients had a malignant and 20 patients had a benign lesion. Two patients with histologically verified malignant lesions pre-operatively had CELS performed due to severe co-morbidity. In one patient with initially benign biopsies, the resected CELS specimen revealed adenocarcinoma. This patient subsequently underwent oncological resection (no residual disease). In the last two cases, the lesions were assessed during CELS and they exhibited endoscopically malignant features. Consequently, both patients underwent immediate oncological segmental colon resection. CELS is a feasible treatment for colonic neoplasia where endoscopic resection alone is not technically possible. In case of severe co-morbidity ruling out segmental resection in patients diagnosed with T1 or T2 colorectal cancer, CELS treatment may be considered. none. This study was assessed by The National Committee on Health Research Ethics (SJ-593), which concluded that the study required no approval from the Committee. The study was approved by the Danish Data Protection Agency (REG-126-2017). .

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