Table 1 Interpretation of tumor diffusion-weighted images
Signal intensity on high b-value images (b800–b1000) | Relative value on apparent diffusion coefficient (ADC) maps | Signal intensity on T2-weighted images | Interpretation |
|---|---|---|---|
High | Low | Intermediate | Generally, high cellularity tumor Coagulative necrosis Abscess Rarely high protein content |
High | High | High | T2-shine through (often proteinaceous fluid) |
Low | Low | Low | Fibrous tissue with low water content +/- viable tumor |
Low | High | High | Fluid Liquefactive necrosis Lower cellularity/grade tumor Glandular tissue |
Low | High | High | Vasogenic edema (T2-wash out) |
Low | Low | Variable | Hemorrhagic content (T2-black out) |