ArticleClinical endoscopy2025
Three-dimensional imaging of subepithelial tumors: feasibility and utility in preoperative assessment-a retrospective single-center observational study in Japan.
Article in Clinical endoscopy, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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- Assessing the utility of three-dimensional imaging for preoperative assessment of gastric subepithelial tumors.Clinical endoscopy · 2025Article
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Abstract
backgroundEndoscopic ultrasound and conventional computed tomography (CT) are useful for preoperative assessment of subepithelial tumors (SETs). However, surgical approaches are sometimes changed intraoperatively owing to unexpected discrepancies between the planned and actual visualizations of tumors because preoperative images are typically two-dimensional.
methodsIn this study, we evaluated the feasibility of morphological evaluation using three-dimensional (3D) reconstruction of SETs and its utility in preoperative assessments. We included 15 lesions with a diameter of 1 to 5 cm that were evaluated by CT and pathologically diagnosed as mesenchymal tumors. We examined the feasibility of 3D reconstruction of lesions by evaluating sphericity using CT images with reference to circularity, which was measured from endoscopic ultrasound still images. Furthermore, the predictability of planned surgery determined using 3D images was investigated.
resultsThe median lesion diameter was 22 mm. There were 10, 3, and 2 lesions of gastrointestinal stromal tumors, leiomyomas, and schwannomas, respectively. 3D reconstruction was feasible for all lesions, with a median sphericity of 0.85, aligning with the median circularity (0.88). The predictability of the 3D-based surgical approach was 90%.
conclusions3D reconstruction of SETs is feasible and useful for preoperative determination of the surgical approach.
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