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Existing trans-anal approaches for complete excision of large and complex rectal polyps (CRPs) remain suboptimal due to technical complexity and inflexibility leading to the risk of inadequate excision and need for proctectomy, especially when using a single-channel flexible endoscope. Trans-Anal Submucosal Endoscopic Resection (TASER) provides a flexible endo-surgical platform with enhanced visualisation and therapeutic options delivered via an endoscope assisted by simultaneous, dynamic trans-anal retraction devices (Figure 1). Preliminary results in 17 patients with complex and very large (>5 cm) as well as recurrent polyps with severe submucosal fibrosis showed that the application of different endoscopic resection techniques was facilitated (Figure 2).
In more detail
The new platform was employed in 17 consecutive patients (mean age 63 years, 10 men/7 women) between January 2013 and June 2014, referred with CRPs, in a single-centre, observational cohort study. Prior to referral, all patients had had previous failed attempts with conventional endoscopic techniques. TASER involved placing the GelPoint path (Applied Medical, …