Fat in Sulci/Cisterns/Ventricles Yoshimi Anzai, MD, MPH Judy Tan, MD DIFFERENTIAL DIAGNOSIS Common Lipoma Subacute Hemorrhage (Mimic) Less Common Dermoid Cyst (Ruptured) Teratoma Rare but Important Lipoidal Contrast (Mimic) Metaplastic…
Effaced Sulci, Generalized Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Generalized Cerebral Edema Cerebral Edema, Traumatic Hypoxic-Ischemic Encephalopathy Hypotensive Cerebral Infarction Toxic/Metabolic Encephalopathies (Many) Subdural Hematoma, Subacute Acute Obstructive…
Cyst with Nodule Troy Hutchins, MD Karen L. Salzman, MD DIFFERENTIAL DIAGNOSIS Common Neurocysticercosis Pilocytic Astrocytoma Ganglioglioma Hemangioblastoma Less Common Metastases, Parenchymal Glioblastoma Multiforme Pleomorphic Xanthoastrocytoma Abscess Opportunistic Infection, AIDS,…
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…
