ArticleEndoscopy2025
Assessing the accuracy of magnetic resonance imaging in identifying early rectal cancers suitable for endoscopic intermuscular dissection.
Article in Endoscopy, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Early Rectal Cancer: Diagnostic Challenges and the Role of Endoscopic Intermuscular Dissection Within the Therapeutic Algorithm.Diagnostics (Basel, Switzerland) · 2026Review
- Endoscopic Intermuscular Dissection - Short-term Outcomes.Endoscopy international open · 2026Article
Corrections and comments
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Authors and funding
22 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Selection of rectal cancers suitable for endoscopic intermuscular dissection (EID) is challenging. We aimed to evaluate whether identification of ≥1 mm of preserved muscularis propria on magnetic resonance imaging (MRI), using a systematic reporting tool (mrSRT), can identify rectal cancers suitable for EID. Methods: An expert radiologist trained 12 study radiologists in the use of the mrSRT. The radiologists then assessed a retrospective series of MRIs from 269 consecutive patients with suspected deep submucosal invasive rectal cancer. The primary objective was to determine the diagnostic accuracy of ≥1 mm of preserved muscularis propria on MRI for selecting cases that can be resected with clear margins using EID (invasion limited to the circular muscularis propria [≤pT2circ]). Diagnostic accuracy was calculated for the expert radiologist, study radiologists, and a consensus diagnosis. Results: After applying the inclusion and exclusion criteria, 244 patient scans were included in the analysis. Histological classification confirmed 18 lesions (7.4%) were noninvasive, 109 (44.7%) were pT1, 56 (23.0%) were pT2circ, 21 (8.6%) were pT2long, 39 (16.0%) were pT3, and 1 (0.4%) was pT4. The overall diagnostic accuracy of ≥1 mm of preserved muscularis propria as a criterion for selection was 80.7% (95%CI 75.2–85.5) for the expert radiologist, 77.5% (95%CI 71.7–82.5) for the trained study radiologists, and 81.6% (95%CI 76.1–86.2) for a consensus diagnosis. Conclusion: Use of mrSRT to identify ≥1 mm of preserved muscularis propria on MRI allowed radiologists to assist in appropriate case selection for EID.
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