Preprint
Sep 2026
BrainDiff: Longitudinal Report Generation for Multimodal Brain MRI
This work presents BrainDiff, the first longitudinal vision-language system for brain MRI, which outperforms both frontier general-purpose and single-study neuroimaging models on the same patient pairs and provides a factorial over prior-report availability and image identity.
Krish Patel, Peirong Liu
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