Abscess is in the differential for a rim enhancing mass, an important one in neuroradiology and often remembered by the mnemonic MAGIC DR – metastasis, abscess, glioma, infarct, contusion, demyelination and radiation... Read more »
There is an extensive differential for multifocal T2/FlAIR hyperintense lesions in the brain parenchyma including neoplasm (metastasis, lymphoma), infection (abscess, septic emboli), infarct (vasculitis), trauma (diffuse axonal injury) and demyelinating disease (multiple... Read more »