T1 Hypointense, T2 Hyperintense Parenchymal Lesions Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Enlarged Perivascular Spaces Arteriolosclerosis Chronic Hypertensive Encephalopathy Cerebral Amyloid Angiopathy Lacunar Infarction Demyelinating Disease Multiple Sclerosis…
Restricted Diffusion Bronwyn E. Hamilton, MD DIFFERENTIAL DIAGNOSIS Common Cerebral Ischemia-Infarction, Acute Abscess Empyema Epidermoid Cyst Less Common Intracerebral Hematoma Diffuse Axonal Injury (DAI) Encephalitis (Miscellaneous) Meningioma Primary CNS Lymphoma…
T1/T2 Hyperintense Parenchymal Lesions Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Intracerebral Hematoma Cavernous Malformation Cerebral Amyloid Disease Less Common Multiple Sclerosis Neurofibromatosis Type 1 Metastases, Parenchymal Cerebral Infarction,…
Multiple Hypointense Foci on GRE/SWI Nancy J. Fischbein, MD DIFFERENTIAL DIAGNOSIS Common Chronic Hypertension Cerebral Amyloid Angiopathy (CAA) Diffuse Axonal Injury (DAI) Metastases, Parenchymal Pneumocephalus Less Common Vascular Malformations Cavernous…
T1 Hyperintense Parenchymal Lesion(s) Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Mineral Deposition Physiologic Calcification Trace Element Deposition MR Artifacts, Flow-Related Intracerebral Hematoma (Late Subacute) Less Common Multiple Sclerosis…
Multiple Brain Hyperintensities (T2/FLAIR), Rare But Important Gary M. Nesbit, MD DIFFERENTIAL DIAGNOSIS Rare but Important CADASIL Neurosarcoid Hashimoto Encephalopathy Granulomatous Angiitis Lyme Disease West Nile Encephalitis Wegener Granulomatosis, Brain…
T1/T2 Isointense Parenchymal Lesions Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Cerebral Ischemia-Infarction, Hyperacute Intracerebral Hematoma (Hyperacute) Capillary Telangiectasia Developmental Venous Anomaly Meningioma Less Common Metastases, Parenchymal Lymphoma, Primary…
Solitary Hypodense Parenchymal Lesion Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Cerebral Contusion Cerebral Ischemia-Infarction, Acute Cerebral Infarction, Subacute Cerebral Infarction, Chronic Glioblastoma Multiforme Anaplastic Astrocytoma Metastasis Oligodendroglioma Less…
FLAIR Hyperintense CSF Bronwyn E. Hamilton, MD DIFFERENTIAL DIAGNOSIS Common Subarachnoid Hemorrhage, NOS Intraventricular Hemorrhage Meningitis MR Artifacts, Magnetic Susceptibility MR Artifacts, Flow-Related MR Artifacts, Patient-Related Metastases, Meningeal Ventriculitis Less…
Hypodense Extra-Axial Mass(es) Bronwyn E. Hamilton, MD DIFFERENTIAL DIAGNOSIS Common Arachnoid Cyst Subdural Hematoma, Chronic Post-Operative Epidural Fluid, Effusion, Fat, or Air Pneumocephalus Less Common Neurocysticercosis Lipoma Pineal Cyst Schwannoma…
