Management of colorectal high-grade dysplasia or cancer resected by cold snare polypectomy: a multicenter exploratory study

Inoki, Kazuya; Takamaru, Hiroyuki; Furuhashi, Hiroto; Kishida, Yoshihiro; Shimodate, Yuichi; Sumida, Yorinobu; Hosotani, Kazuya; Ueyama, Hiroya; Furumoto, Yohei; Hashimoto, Shinichi; Takeuchi, Yoji; Ichijima, Ryoji; Yoshizawa, Yashiro; Suzuki, Takuto; Minoda, Yosuke; Mizukami, Kazuhiro; Matsumura, Tomoaki; Kasai, Toyotaka; Yamamura, Takeshi; Ohnita, Ken; Hara, Ken; Esaki, Mitsuru; Katagiri, Atsushi; Ishikawa, Hideki; Gotoda, Takuji

doi:10.1007/s00535-023-01980-1

Cited by 2 publications

(2 citation statements)

References 32 publications

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“…However, CSP has a low rate of negative margins with a reported local recurrence rate of 1.4% after CSP for adenomatous lesions 31 . In advanced neoplasia, the local recurrence rate has been reported to be as high as 6%to 13.3% 32 33 . Moreover, pathologically positive margins have been reported to be a risk factor for local recurrence.…”

Section: Discussionmentioning

confidence: 99%

Verification of the increase in concomitant dysplasia and cancer with the size of sessile serrated lesions

Ohki,

Tsuji,

Hisada

et al. 2024

Endosc Int Open

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Background and study aims This study aimed to evaluate the relationship between sessile serrated lesion (SSL) size and the comorbidity rate of SSL with dysplasia (SSLD) and cancer in SSL (SSL-cancer). Patients and methods This retrospective, single-center analysis identified SSL cases that underwent endoscopic resection between January 2015 and December 2022. The prevalence of SSL, SSLD, and SSL-cancer and their annual trends were assessed. The tumor diameter was stratified as 0–5 mm, 6–9 mm, 10–19 mm, and ≥ 20 mm in size. Furthermore, the frequency of SSL-D/SSL-cancer was determined in each group. Results The prevalence of SSL was 2.9% (1328/45799). This prevalence was 1.8% (112/6192) in 2015 and 4.2% (230/5500) in 2022, indicating an increasing trend over time. A total of 1825 lesions were assessed: 1751 (96.0%), 55 (3.0%), 14 (0.8%) and 5 (0.3%) lesions were SSL, SSL with low grade dysplasia, SSL with high grade dysplasia and SSL-cancer, respectively. Stratifying the SSLs by size: 0–5 mm, 5–9 mm, 10–19 mm, and ≥ 20 mm, SSLD and SSL-cancer rates were 2.3% (10/429), 2.4% (16/674), 5.3% (31/584), and 11.8% (16/136), respectively. SSLD and SSL-cancer were observed in 2.4% (26/1103) of small SSLs less than 10mm. Conclusion In cases of SSL, the rate of SSLD and SSL-cancer increased as the lesion diameter increased. A certain rate of SSLD and SSL-cancer was observed even in small SSLs less than 5mm.

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Section: Discussionmentioning

confidence: 99%

Verification of the increase in concomitant dysplasia and cancer with the size of sessile serrated lesions

Ohki,

Tsuji,

Hisada

et al. 2024

Endosc Int Open

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show abstract

“…Although a recent multicenter study from Japan revealed that the local recurrence rate after CSP for HGD was 13.7%, the CSP scar could be identified in only 46.8% of the cases; this may impact on the ability to precisely localize the exact site for close surveillance or repeat resection during follow-up endoscopy. 8 That said, it is crucial to achieve a complete resection rate as high as possible at the initial procedure. Moreover, endoscopic morphology, either macroscopic or with magnification, of the lesion with the aid of image-enhanced endoscopy (IEE) provides useful information on the likelihood of the existence of advanced histology.…”

Section: Editorial: Optimizing the Success Of Cold Snare Polypectomy ...mentioning

confidence: 99%

Editorial: Optimizing the success of cold snare polypectomy in colonoscopy practice

Chiu

2023

J of Gastro and Hepatol

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Management of colorectal high-grade dysplasia or cancer resected by cold snare polypectomy: a multicenter exploratory study

Cited by 2 publications

References 32 publications

Verification of the increase in concomitant dysplasia and cancer with the size of sessile serrated lesions

Verification of the increase in concomitant dysplasia and cancer with the size of sessile serrated lesions

Editorial: Optimizing the success of cold snare polypectomy in colonoscopy practice

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