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18 Cards in this Set
- Front
- Back
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CPA cistern (extra-axial)
* Vestibular Schwannoma * Meningioma * Epidermoid (no enhancement, undulating margin) * Glomus Tumor * Mets * Endolymphatic Sac Tumor * Extension from 4th or Primary CPP and Ependymoma * Aneurysm SAME ddx with a GEM Schwannoma, Arachnoid Cyst, Aneurysm, Meningioma, Epidermoid, Endolymphatic Tumor, Glomus Tumor, Extension from 4th, METS |
DDX?
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DDX?
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4th Vent / Vermian Mass
*PNET (medulloblast) - usu DENSE on NCT *Ependymoma - usu MIXED w/Ca &small "cysts" * Choroid Plexus Papilloma MEC |
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DDX?
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Hemispheric Cerebellar Mass/ Cyst+Nodule
* Pilocytic Astrocytoma (5-15 yrs) * Hemangioblastoma (35-45 yrs) * Other Hemispheric Masses: -Mets, Infarction, Abscess AM HIP |
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DDX?
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Short DDX
don't get a brain CRAMP Craniopharyngioma Rathke's Cleft Cyst Aneurysm Meningioma Pituitary Adenoma LONG DDX Sella & Parasellar / Suprasellar * Pituitary Adenoma (adults) * Craniopharyngioma * Hypothalamic Glioma (kids) * Chordoma * Meningioma * Mets * Histiocytosis, * Germinoma, * Lymphoma, * Sarcoid * aneurysm |
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DDX?
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3rd Ventricle * Colloid Cyst * CPP, Ependymoma * Vertical Ext Suprasellar Mass * Anterior Ext of Pineal Mass * Cysticercosis
6 things, 3 c's and 3 e's |
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DDX?
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* Body
o Subependymoma, etc. |
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DDX?
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Lateral Ventricle
* F. Monro o Colloid Cyst *SubEpendymalGiantCellAstrocytoma *Central Neurocytoma o Subependymoma |
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DDX?
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* Trigone
o Child - CPP o Adult - Meningioma |
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DDX?
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-Pinealoma
-Pineocytoma -Pineoblastoma -Pineal Cyst -Extension of Glioma from corpus callosum, tectum or thalamus -Meningioma -Lipoma -Vein of Galen Malformation -Epidermoid Inclusion Cyst 4 Peg's in an ELM PPPPEG ELM |
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DDX?
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Unilat BG lesion (acquired/neoplastic):
* Thalamic Glioma (astrocyt) * Hypertensive Hematoma (Dx of exclusion) * Infarct (triangular) HIG |
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DDX?
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Asymmetric BG lesions:
1)Infection (toxo, lymphoma?) 2)Mets |
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DDx?
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Bilateral Symmetric (toxic/metabolic): -
Putamen - Methanol Globus Pallidus - CO Poisoning Genetic Disorders putamen and caudate CJD |
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DDX?
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Corpus Callosum Expanding or Enhancing
-GBM, Lymphoma, Toxo Destructive, Geographic -WM Dz- MS, ADEM, PML Patchy Periventricular -Vascular: HT change,leukoariosis) -Multifocal rings - Toxo in HIV Uniform Periventricular -Hydrocephalic edema |
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DDX?
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Epidural Space
* Hematoma * Empyema * Mets (Prostate, Breast, Lymphoma) * Granulomatous dz(e.g. Sarcoid, TB, Fungal |
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DDX?
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Subdural Space
* Hematoma * Empyema * Mets (Prostate, Breast, Lymphoma) * Granulomatous Dz (Sarcoid, TB, Fungal) |
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DDX?
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-Ischemia (+/-Infarct)
-HTN Encephalopathy, Eclampsia -Cyclosporin looks like "MICE MESH" -Encephalitis (HSV), Meningitis -Sturge-Weber Disease (Ca++) -Meningioangiomatosis (Ca++) |
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DDX?
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-----Gray & White Wedge-----
-Infarct (vasc territory) -Cortical Dysplasia -Cortical Tuber (TS) -DNET (LoT1 HiT2, no edema) rare: Gangioglioma (cystic w/Ca++) Also add oligo? |
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DDX for Optic Nerve enlargement?
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Don't have a FIT
Fluid, Inflammation, Tumor Fluid-Heatoma, or enlarged CSF spaces secondary to papilledema Inflammation-Optic Neuritis, sarcoidosis, pseudotumo Tumor-OPtic nerve glioma, optic nerve sheath meningioma, leukemia, lymphoma, mets. |
