Multiple Hypointense Foci on T2 Nancy J. Fischbein, MD DIFFERENTIAL DIAGNOSIS Common Neoplasm Lymphoma Metastases, Parenchymal Multifocal Glioma Atypical Infection Bacterial (TB, Nocardia) Fungal Diseases Toxoplasmosis, Acquired Less Common Neurosarcoid…
Cystic CPA Mass H. Ric Harnsberger, MD DIFFERENTIAL DIAGNOSIS Common Epidermoid Cyst, CPA-IAC Arachnoid Cyst, CPA-IAC Less Common Vestibular Schwannoma with Intramural Cyst(s) Neurocysticercosis, CPA Hemangioblastoma Large Endolymphatic Sac Anomaly…
Hyperdense Extra-Axial Mass(es) Miral D. Jhaveri, MD DIFFERENTIAL DIAGNOSIS Common Subdural Hematoma, Acute Epidural Hematoma Meningioma Metastases, Meningeal Less Common Thrombosis, Dural Sinus Thrombosis, Cortical Venous Neurosarcoid Lymphoma, Metastatic, Intracranial…
CSF-like Extra-Axial Fluid Collection Yoshimi Anzai, MD, MPH Judy Tan, MD DIFFERENTIAL DIAGNOSIS Common Aging Brain, Normal Enlarged Subarachnoid Spaces Mega Cisterna Magna Subdural Hematoma, Chronic Subdural Hygroma Less Common…
Effaced Sulci, Focal Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Cortical Contusion Cerebral Ischemia-Infarction, Acute Spontaneous Intracranial Hemorrhage Subdural Hematoma Epidural Hematoma Neurocysticercosis Less Common Primary CNS Neoplasm Meningioma…
Asymmetric Lateral Ventricles Bronwyn E. Hamilton, MD DIFFERENTIAL DIAGNOSIS Common Normal Variant Extrinsic Mass Effect Encephalomalacia, General Intraventricular Hemorrhage Herniation Syndromes, Intracranial Surgical Defects Obstructive Hydrocephalus Choroid Plexus Cyst Less…
Periventricular T2/FLAIR Hyperintense Lesions Troy Hutchins, MD Karen L. Salzman, MD DIFFERENTIAL DIAGNOSIS Common Aging Brain, Normal Arteriolosclerosis Multiple Sclerosis ADEM Diffuse Axonal Injury (DAI) Metastases, Parenchymal Less Common Radiation…
Enlarged Sulci, Generalized Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Aging Brain, Normal Dementias Alzheimer Dementia Vascular Dementia Dementia with Lewy Bodies Frontotemporal Dementia Chronic Alcoholic Encephalopathy HIV Encephalitis…
Intraventricular Calcification(s) Karen L. Salzman, MD DIFFERENTIAL DIAGNOSIS Common Physiologic Calcification, Choroid Plexus Choroid Plexus Cyst Neurocysticercosis Neurofibromatosis Type 2 Tuberous Sclerosis Complex Less Common Meningioma Ependymoma Intraventricular Hemorrhage (Mimic)…
Irregular Lateral Ventricles Bronwyn E. Hamilton, MD DIFFERENTIAL DIAGNOSIS Common CSF Shunts and Complications Surgical Defects Periventricular Leukomalacia Cerebral Infarction, Chronic Porencephalic Cyst Chiari 2 Less Common Heterotopic Gray Matter…
