CSF-like Parenchymal Lesion(s) Anne G. Osborn, MD, FACR James D. Eastwood, MD DIFFERENTIAL DIAGNOSIS Common Enlarged Perivascular Spaces Encephalomalacia Lacunar Infarction Neurocysticercosis Less Common Porencephalic Cyst Multiple Sclerosis Normal Variant…
Extra-Axial Flow Voids James D. Eastwood, MD DIFFERENTIAL DIAGNOSIS Common Normal (Normal Arteries, Veins) CSF Pulsation Saccular Aneurysm Fusiform Aneurysm, ASVD Arteriovenous Malformation Developmental Venous Anomaly Less Common Dural A-V…
Multiple Enhancing Lesions, General Karen L. Salzman, MD DIFFERENTIAL DIAGNOSIS Common Metastases, Parenchymal Multiple Sclerosis Neurocysticercosis Abscess (Multiple) Less Common ADEM Opportunistic Infection, AIDS Tuberculosis Lymphoma, Primary CNS Neurosarcoid Glioblastoma…
Solitary Hyperdense Parenchymal Lesion Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Cerebral Contusion Hypertensive Intracranial Hemorrhage Cerebral Amyloid Disease Glioblastoma Multiforme Metastasis, Parenchymal Thrombosis, Dural Sinus Thrombosis, Cortical Venous…
Solitary Parenchymal Calcification Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Neurocysticercosis Tuberculosis Cavernous Malformation Oligodendroglioma Ganglioglioma Diffuse Astrocytoma, Low Grade Pilocytic Astrocytoma Less Common Arteriovenous Malformation Ependymoma Parasites, Miscellaneous…
Multiple Hyperdense Parenchymal Lesions Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Cerebral Contusion Diffuse Axonal Injury (DAI) Hypertensive Intracranial Hemorrhage Cerebral Amyloid Disease Metastases, Parenchymal Cavernous Malformations Less Common…
Hyperdense CSF Bronwyn E. Hamilton, MD DIFFERENTIAL DIAGNOSIS Common Subarachnoid Hemorrhage (SAH), Traumatic Aneurysmal Subarachnoid Hemorrhage Streak Artifact Diffuse Cerebral Edema (Mimic) Brain Death (Mimic) Less Common Contrast Material Chronic…
T1 Hyperintense CSF Bronwyn E. Hamilton, MD DIFFERENTIAL DIAGNOSIS Common MR Artifacts, Flow-Related MR Artifacts, Magnetic Susceptibility Subarachnoid Hemorrhage Intraventricular Hemorrhage Meningitis Less Common Ventriculitis Rare but Important Dermoid Cyst…
Interhemispheric Fissure Cysts Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Pineal Cyst Less Common Callosal Dysgenesis Neurocysticercosis Arachnoid Cyst Rare but Important Holoprosencephaly (HPE) Medial Atrial Diverticulum Atretic Cephalocele…
Foramen Magnum Mass Karen L. Salzman, MD DIFFERENTIAL DIAGNOSIS Common Acquired Tonsillar Herniation Dolichoectasia (Vertebrobasilar) Chiari 1 Chiari 2 Diffuse Astrocytoma, Low Grade Less Common Meningioma Schwannoma Ependymoma Metastases, Intracranial,…
