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When AI stops playing “spot the difference” and starts understanding changes in MRIs

MBZUAI · Significant research

Research Healthcare AI MBZUAI CV

Summary

MBZUAI researchers presented DEFUSE-MS at MICCAI 2025, a novel AI system for analyzing changes in MRI scans of multiple sclerosis (MS) patients. DEFUSE-MS uses a deformation field-guided spatiotemporal graph-based framework to identify new lesions by reasoning about how the brain has changed. The model constructs graphs of small regions within baseline and follow-up MRIs, linking them across time with edges enriched with learned embeddings of the deformation field. Why it matters: DEFUSE-MS reframes the task from simple "spot the difference" to understanding structural changes, potentially improving the speed and accuracy of MS diagnosis and treatment monitoring.

Keywords

MRI · Multiple Sclerosis · AI · DEFUSE-MS · MICCAI

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