1. Neuroradiology

2. IMAGING TECHNIQUES PLAIN FILMS COMPUTED TOMOGRAPHY
MAGNETIC RESONANCE IMAGING
DIGITAL ANGIOGRAPHY
ULTRASOUND
DOPPLER US
PET

3. Brain Imaging The basic imaging tools
Digital Substraccion Angiography (DSA)
uses a X ray tube, imaging intensifier
digital process.
Ultrasound (Doppler) Carotid, transcranial
Nuclear Medicine (SPECT, PET, PET/CT)

4. EARLY SIGNS OF ISCHEMIC INFARCT
MRI
T1 HYPOINTENSITY
T2, FLAIR HYPERINTENSITY
DWI HYPERINTENSITY
DECREASED SIGNAL IN PERFUSION IMAGES

5. CEREBRAL VASCULAR EVENT
ISCHEMIC
HEMORRHAGIC

6. CEREBRO VASCULAR EVENT
ISCHEMIC
THROMBO EMBOLIC
VASCULITIS
DISSECTION
FIBROMUSCULAR DISPLASIA
VENOUS THROMBOSIS
ANOXIA

7. EARLY SIGS OF ISCHEMIC INFARCT
LOSS OF DEFINITION BETWEEN GRAY AND WHITE MATTER
ILL DEFINITION OF INTERNAL CAPSULE
HYPERDENSE MIDDLE CEREBRAL ARTERY

8. CEREBRO VASCULAR EVENT
HEMORRHAGIC
HYPERTENSION
ANEURYSM
VASCULAR MALFORMATION
TRAUMA
COAGULOPATHY
AMYLOIDOSIS

9. TRAUMA CONTUSION DIFFUSE AXONAL INJURY SUBDURAL HEMATOMA
EPIDURAL HEMATOMA
SUBARACHNOID HEMORRHAGE

10. SEIZURE
CONGENITAL MALFORMATION
MESIAL SCLEROSIS
CVA
POSTTRAUMATIC

11. INFLAMMATORY
MENINGO ENCEPHALITIS
ABCESS
TOXOPLASMOSIS

12. NEOPLASIA GLIOMAS LYMPHOMA MEDULOBLASTOMA PINEAL TUMOR
PITUITARY ADENOMA
EXTRAAXIAL TUMORS
MENINGIOMA
SCHWANNOMA

13. DEMYELINATING DISEASE
MULTIPLE SCLEROSIS
ADEM

14. Differential Diagnosis for ring-enhancing lesions: MAGICAL DR M - Metastasis, MS A - Abscess G - Glioblastoma, Granuloma I - Infarct (esp. Basal ganglia) C - Contusion (rare) A - AIDS (Toxo, etc.) L - Lymphoma (in aids) D - Demyelination (active) R - Resolving hematoma, Radiation change (necrosis)