Clinical Endoscopy

The Korean Society of Gastrointestinal Endoscopy (대한소화기내시경학회)
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Factors influencing lateral margin diagnosis challenges in Barrett's esophageal cancer: a bicenter retrospective study in Japan

  • Ippei Tanaka (Department of Gastroenterology, Sendai Kousei Hospital) ;
  • Shuhei Unno (Department of Gastroenterology, Seirei Hamamatsu General Hospital) ;
  • Kazuki Yamamoto (Digestive Diseases Center, Showa University Koto Toyosu Hospital) ;
  • Yoshitaka Nawata (Department of Gastroenterology, Sendai Kousei Hospital) ;
  • Kimihiro Igarashi (Department of Gastroenterology, Sendai Kousei Hospital) ;
  • Tomoki Matsuda (Department of Gastroenterology, Sendai Kousei Hospital) ;
  • Dai Hirasawa (Department of Gastroenterology, Sendai Kousei Hospital)
  • Received : 2024.03.28
  • Accepted : 2024.06.04
  • Published : 2025.01.30
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Abstract

Background/Aims: We aimed to clarify the clinicopathological characteristics and causes of Barrett's esophageal adenocarcinoma (BEA) with unclear demarcation. Methods: We reviewed BEA cases between January 2010 and August 2022. The lesions were classified into the following two groups: clear demarcation (CD group) and unclear demarcation (UD group). We compared the clinicopathological findings between the two groups. Furthermore, we measured the length and width of the foveolar structures, as well as the width of marginal crypt epithelium (MCE). Results: We analyzed data from 68 patients with BEA, including 47 and 21 in the CD and UD groups, respectively. Multivariate analysis revealed long-segment Barrett's esophagus (LSBE) as the sole significant risk factor for BEA (odds ratio, 12.17; 95% confidence interval, 2.84-47.6; p=0.001). Regarding pathological analysis, significant differences were observed in the length and width of the foveolar structure between cancerous and surrounding mucosa in the CD group (p=0.03 and p=0.00, respectively); however, no significant difference was observed in the UD group (p=0.53 and p=0.72, respectively). Nevertheless, the width of MCE in the cancerous area was significantly shorter than that in the surrounding mucosa in both groups (all, p<0.05). Conclusions: LSBE is a significant risk factor for BEA in the UD group. The width of MCE may be an important factor in the endoscopic diagnosis of BEA.

Keywords

Acknowledgement

This study was preprinted in Research Square on March 5, 2024 (https://doi.org/10.21203/rs.3.rs-3992498/v1).

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