Absent/Thin Infundibular Stalk Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Less Common Pituitary Stalk Transection, Post-Traumatic Pituitary Stalk Transection, Post-Surgical Pituitary Stalk Anomalies Septo-Optic Dysplasia (SOD) Holoprosencephaly Rare but Important…
Hyperdense Suprasellar Mass Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Pituitary Macroadenoma Aneurysm Saccular Aneurysm Fusiform Aneurysm, ASVD Meningioma Less Common Craniopharyngioma Rathke Cleft Cyst Germinoma Neurosarcoid Rare but…
Thick Infundibular Stalk Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Neurosarcoid Germinoma Less Common Meningitis Histiocytosis Lymphocytic Hypophysitis Rare but Important Metastasis (to Stalk/Pituitary) Ectopic Neurohypophysis Pituicytoma Lymphoma, Primary…
Enhancing Suprasellar Mass Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Pituitary Macroadenoma Meningioma Saccular Aneurysm Craniopharyngioma Pilocytic Astrocytoma Less Common Diffuse Astrocytoma, Low Grade Neurosarcoid Langerhans Cell Histiocytosis Germinoma…
Calcified Suprasellar Mass Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Atherosclerosis, Intracranial Craniopharyngioma Meningioma Aneurysm Saccular Aneurysm Fusiform Aneurysm, ASVD Less Common Neurocysticercosis Pilocytic Astrocytoma Dermoid Cyst Rare but…
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,…
