🤖 AI Summary
This study addresses a critical gap in artificial intelligence research on gastric intestinal metaplasia (GIM) by introducing the first publicly available, pathology-validated, multimodal endoscopic dataset. The dataset integrates high-definition white-light endoscopy, narrow-band imaging (NBI), and magnifying NBI (M-NBI) images and videos from 24 patients (22 GIM-positive), comprehensively annotated with histopathological subtypes, OLGA/OLGIM staging, standardized endoscopic features, and full clinical metadata. By providing a rigorously curated benchmark resource, this work enables AI-driven real-time GIM detection, subtype classification, and phenotypic analysis, thereby filling a significant void in standardized multimodal data for GIM research.
📝 Abstract
Gastric intestinal metaplasia (GIM) is a precursor lesion to gastric dysplasia and adenocarcinoma whose early detection is crucial for intervening in the carcinogenesis cascade. Artificial intelligence (AI) holds considerable promise for real-time endoscopic detection and characterization of GIM. However, development of reliable AI models has been constrained by the absence of publicly available, histopathologically validated datasets that combine detailed endoscopic annotations, histological subtype (complete and incomplete), standardized grading systems, and normal mucosal patterns. GIM-ENDO was designed to fill this gap. The dataset comprises demographic data, endoscopic findings, histopathological results, and H. pylori status acquired using the Olympus EVIS X1 system with white-light endoscopy (WLE) and image-enhanced endoscopy (IEE), including narrow-band imaging (NBI) and magnifying NBI (M-NBI), along with images and video clips from 24 patients (22 GIM-positive, 2 normal controls). Annotations cover six primary IEE endoscopic signs -- light blue crest (LBC), marginal turbid band (MTB), white opaque substance (WOS), TV pattern (Fusion), atrophy, and map-like erythema (MLE) -- plus two additional endoscopic findings (AHP and GA) recorded where present. GIM subtypes (complete and incomplete) are annotated for all GIM-positive cases; OLGA and OLGIM staging are provided where complete histological sampling was available. The dataset is publicly accessible at https://doi.org/10.5281/zenodo.20707267. For the latest updates and further information regarding this dataset, readers are referred to the DataBioX website: https://databiox.com
A short version of this work has been submitted to MICCAI 2026 Open Data Track.