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12 Cards in this Set
- Front
- Back
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 |
Location
Differential |
|
4th Vent / Vermian Mass
* PNET (medulloblast) - usu DENSE on NCT * Ependymoma - usu MIXED w/Ca &small "cysts" * Choroid Plexus Papilloma (adults) |
Location
Differential |
|
Hemispheric Cerebellar Mass/ Cyst+Nodule
* Pilocytic Astrocytoma (5-15 yrs) * Hemangioblastoma (35-45 yrs) * Other Hemispheric Masses: -Mets, Infarction, Abscess |
Location
Differential |
|
Sella & Parasellar / Suprasellar
* Pituitary Adenoma (adults) * Craniopharyngioma * Hypothalamic Glioma (kids) * Chordoma, Meningioma, Mets * Histiocytosis, Germinoma, Lymphoma, Sarcoid * Aneurysm |
Location
& differential |
|
3rd Ventricle
* Colloid Cyst * CPP, Ependymoma * Vertical Ext Suprasellar Mass * Anterior Ext of Pineal Mass * Cysticercosis |
Location &
differential |
|
Basal Ganglia
Bilat Symmetric (tox/metab) * Putamen - Methanol * Globus Pallidus - CO * Genetic Disorders Bilateral Asymmetric (hematog) * Infection (Toxo, etc.) * Metastasis Unilat (acquired/neoplastic): * Thalamic Glioma (astrocyt) * Hypertensive Hematoma (Dx of exclusion) |
Location
& differential |
|
Lateral Ventricle
* F. Monro o SEGA o Subependymoma * Body o Subependymoma, etc. * Trigone o Child - CPP o Adult - Meningioma |
Differentials
for each location |
|
Pineal Region (Quadrigeminal Cistern)
* Pineal Parenchyma o Pineocytoma, Pineoblastoma * Pineal Cyst (=CSF on T1&2; hi FLAIR) * Germ Cell Tumor - o "atypical teratoma" * Extension of Glioma (Astrocytoma) o corp call, tectum, thalamus * Meningioma * Lipoma * Vein of Galen Malformation * Epidermoid |
Location
and differential |
|
Corpus Callosum
Expanding or Enhancing - Astrocytoma, Lymphoma Destructive, Geographic - WM Dz- MS, ADEM, PML Patchy Periventricular - Vascular: HT change, leukoariosis) - Multifocal rings - Toxo in HIV Uniform Periventricular - Hydrocephalic edema |
Location
& differential |
|
------GM Ribbon------
-Ischemia (+/-Infarct) -HTN Encephalopathy, Eclampsia -Cyclosporin -Encephalitis (HSV), Meningitis -Sturge-Weber Disease (Ca++) -Meningioangiomatosis (Ca++) -----Gray & White Wedge----- -Infarct (vasc territory) -Cortical Dysplasia -Cortical Tuber (TS) -DNET (LoT1 HiT2, no edema) rare: Gangioglioma (cystic w/Ca++) |
Differential
|
|
Epidural Space
* Hematoma * Empyema * Mets (Prostate, Breast, Lymphoma) * Granulomatous dz(e.g. Sarcoid, TB, Fungal) |
Location
& Differential |
|
Subdural Space
* Hematoma * Empyema * Mets (Prostate, Breast, Lymphoma) * Granulomatous Dz (Sarcoid, TB, Fungal) |
Location
& differential |