Cystic Intrasellar Mass Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Empty Sella (ES) Intracranial Hypertension, Idiopathic Less Common Obstructive Hydrocephalus Rathke Cleft Cyst Craniopharyngioma Arachnoid Cyst (AC) Epidermoid Cyst…
Cerebellar Mass Gregory L. Katzman, MD, MBA DIFFERENTIAL DIAGNOSIS Common Cerebral Ischemia-Infarction, Acute Hypertensive Intracranial Hemorrhage Neoplasms Medulloblastoma (PNET-MB) Pilocytic Astrocytoma Hemangioblastoma Metastases, Parenchymal Less Common Enlarged Perivascular Spaces “Tumefactive”…
Intrasellar Lesion Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Pituitary Hyperplasia Pituitary Microadenoma Empty Sella Less Common Pituitary Macroadenoma Rathke Cleft Cyst Craniopharyngioma Neurosarcoid Rare but Important Lymphocytic Hypophysitis…
Infratentorial Midline Cyst Gregory L. Katzman, MD, MBA DIFFERENTIAL DIAGNOSIS Common Mega Cisterna Magna Arachnoid Cyst Less Common Neurocysticercosis Dandy-Walker Continuum Obstructive Hydrocephalus (“Trapped” or “Encysted” 4th Ventricle) Pilocytic Astrocytoma…
Sellar/Juxtasellar Calcification Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Physiologic Calcification, Vascular Physiologic Calcification, Dura Atherosclerosis, Intracranial Saccular Aneurysm Meningioma Craniopharyngioma Neurocysticercosis Less Common Astrocytoma Pilocytic Astrocytoma Diffuse Astrocytoma,…
Enlarged Pituitary Gland Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Pituitary Hyperplasia Pituitary Microadenoma Pituitary Macroadenoma Less Common Neurosarcoid Langerhans Cell Histiocytosis Lymphocytic Hypophysitis Pituitary Macroadenoma (Mimic) Rare but…
Pineal Region Mass, General Gregory L. Katzman, MD, MBA DIFFERENTIAL DIAGNOSIS Common Pineal Cyst Less Common Cavum Velum Interpositum (CVI) Meningioma Pineocytoma Arachnoid Cyst Tectal Plate Glioma Neurocysticercosis Lipoma Intracranial…
Sella/Pituitary Normal Variants Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Pituitary Hyperplasia (Physiologic) Pituitary “Incidentaloma” “Empty” Sella (ES) Less Common “Bright” Pituitary Gland Absent Posterior Pituitary “Bright Spot” Small…
Quadrigeminal Cistern Mass Gregory L. Katzman, MD, MBA DIFFERENTIAL DIAGNOSIS Common Metastases Less Common Cavum Velum Interpositum (CVI) Arachnoid Cyst Neurocysticercosis Ascending Transtentorial Herniation Rare but Important Lipoma Epidermoid Cyst…
Pineal + Suprasellar Lesions Karen L. Salzman, MD DIFFERENTIAL DIAGNOSIS Common Germinoma Less Common Lymphoma, Primary CNS Metastases, Intracranial, Other Rare but Important Germ Cell Neoplasms, Malignant NOS Retinoblastoma (Quadrilateral)…
