Orbital Lymphoma

The differential diagnosis for an orbital mass is extensive and includes both benign (cavernous hemangioma, sarcoid, varix, meningioma and pseudotumor) and malignant (orbital lymphoma, metastasis, glioma) lesions. Read more »

Septic Emboli

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 »