Mapping multiregional imaging-localized biopsies to MRI habitats reveals biologically significant glioma tissue states and associated patterns of cohabitating cellular subpopulations

Mapping 202 MRI-localized biopsies from 58 glioma patients reveals three key tissue states and 14 MRI habitats linked to tumor biology and progression.

• Why it matters: Understanding the biological significance of MRI features is crucial for developing noninvasive biomarkers and improving glioma diagnosis and treatment strategies.
• What they did: The study integrated multi-regional biopsies with MRI data, defining a transcriptional pseudotime continuum and correlating tissue states and cellular populations with MRI habitat features.
• The result: Findings show MRI habitats correspond to distinct tumor states, with low pseudotime regions at the periphery and high pseudotime states at the core, influenced by MGMT status, enabling better biological interpretation of MRI.