Abstract
Background
The surface morphology of colorectal polyps is well correlated with submucosal invasion in Eastern Countries but not in North America. We aimed to investigate associations between the Paris classification, surface morphology, and Kudo pit pattern to submucosal invasion in advanced endoscopic resection techniques.
Methods
We retrospectively analyzed prospectively collected data of consecutive advanced endoscopic procedures conducted by a single surgeon between August 2017 and October 2018. The data included patients’ demographics, the endoscopic finding of polyps (Paris, Kudo, and surface morphology), and pathology results.
Results
The study consisted of 138 lesions, and the mean age was 67 ± 10 years. The most common polyp locations were cecum (n = 41, 30%) followed by ascending colon (n = 28, 20%), and sigmoid colon (n = 18, 13%).The median polyp size was 30 mm (25–40). The en-bloc resection rate was 96%, and 11 (8%) polyps had adenocarcinoma with submucosal invasion. Nine patients (6.5%) had late bleeding, and 3 (2.2%) perforation occurred. Polyps with pit pattern of Kudo IV (n = 4, 36.4%) and Kudo V (n = 6, 54.5%) were associated with submucosal invasion.
Conclusions
Surface morphology and pit pattern can predict submucosal invasion in the North American patient population. Polyp morphology may aid polyp selection for advanced endoscopic interventions.
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Ilker Ozgur: None declared. Ipek Sapci: None declared. Berke Sengun: None declared. Michael A. Valente: None declared. Scott R. Steele: None declared. David Liska: Consultant for Olympus,Conor P. Delaney: None declared. Emre Gorgun: Consultant for Boston Scientific, DiLumen and Olympus.
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This study was presented as Quick Shot presentation at Virtual 62nd Annual Meeting of SOCIETY FOR SURGERY OF THE ALIMENTARY TRACT, May 21-23, 2021 in partnership with Digestive Disease Week® 2021.
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Ozgur, I., Sapci, I., Sengun, B. et al. Do surface morphology and pit pattern have a role in predicting cancer for colon polyps in North America?. Surg Endosc 37, 2354–2358 (2023). https://doi.org/10.1007/s00464-023-09866-2
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DOI: https://doi.org/10.1007/s00464-023-09866-2