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Introduction to Neuroradiology Brain Imaging The basic imaging tools Fluoroscopy/Radiography Computed Tomography Magnetic Resonance Imaging Digital Substraccion Angiography (DSA) Ultrasound Nuclear Medicine Computerized

  1. Introduction to Neuroradiology

  2. Brain Imaging The basic imaging tools • Fluoroscopy/Radiography • Computed Tomography • Magnetic Resonance Imaging • Digital Substraccion Angiography (DSA) • Ultrasound • Nuclear Medicine

  3. Computerized Tomography (CT)

  4. Computed Tomography (CT, CAT)

  6. MRI Function

  7. MRI in the Brain Axial Sagittal Coronal

  8. MAGNETIC RESONANCE IMAGING T1WI T2WI

  9. FLAIR DWI

  10. Normal MRA Coronal 3 DTOF MR Angiography Without contrast medium

  11. MR Angiography With Gadolinium

  12. Neuroangiography Invasive procedure requiring insertion of a catheter through the femoral artery up to the carotid. Iodinated contrast material is injected into the carotid and vertebral arteries bilaterally and sequential images are obtained.

  13. DIGITAL SUSTRACTION ANGIOGRAPHY

  14. DIGITAL SUSTRACTION ANGIOGRAPHY

  16. MYELO-TAC MYELOGRAPHY MYELO-MRI

  18. CEREBRAL VASCULAR EVENT • ISCHEMIC • HEMORRHAGIC

  20. ACUTE INFARCT

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

  23. HYPERDENSE MCA

  25. CHRONIC INFARCT

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

  27. T 1 DIFUSION FLAIR

  28. SUBACUTE INFARCT

  29. LUXURY PERFUSION

  30. DWI CT Minutes Hours

  32. Ventricular hemorrhage and parenchymal infarct

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

  35. ATHEROSCLEROTIC PLAQUE

  36. COLOR AND PULSED DOPPLER ULTRASOUND

  37. B MODE ULTRASOUND

  38. FIBROMUSCULAR DISPLASIA

  39. DISSECTION

  40. SUBACUTE INFARCT

  42. VERTEBRAL ARTERY DISSECTION

  43. VASCULITIS

  45. SSS THROMBOSIS

  46. VENOUS INFARCT

  47. CEREBRO VASCULAR EVENT • HEMORRHAGIC HYPERTENSION ANEURYSM VASCULAR MALFORMATION TRAUMA COAGULOPATHY AMYLOIDOSIS

  48. HYPERTENSION

  49. ANEURYSM

  51. Cerebral Arterio Venous Malformation (AVM)

  52. CTA 3D RECONSTRUCTION

  53. TRAUMA • CONTUSION • DIFFUSE AXONAL INJURY • SUBDURAL HEMATOMA • EPIDURAL HEMATOMA • SUBARACHNOID HEMORRHAGE

  55. EPIDURAL HEMATOMA

  58. SUBACUTE SUBDURAL HEMATOMA CHRONIC SUBDURAL HEMATOMA

  59. DIFFUSE AXONAL INJURY

  60. SEIZURE • CONGENITAL MALFORMATION • MESIAL SCLEROSIS • CVA • POSTTRAUMATIC

  64. MESIAL SCLEROSIS

  65. INFLAMMATORY • MENINGO ENCEPHALITIS • ABCESS • TOXOPLASMOSIS

  66. MENINGITIS

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

  69. MEDULLOBLASTOMA

  70. LYMPHOMA ASTROCITOMA

  71. HIGH GRADE GLIOMA (GRADE III)

  72. MENINGIOMA

  73. DEMYELINATING DISEASE • MULTIPLE SCLEROSIS • ADEM

  74. MULTIPLE SCLEROSIS

  75. MULTIPLE SCLEROSIS

  76. MS

  77. OPTIC NEURITIS

  78. MULTIPLE SCLEROSIS

  79. TOXOPLASMOSIS

  80. 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)

  81. LYMPHOMA ABSCESS

  82. RESOLVING HEMATOMA

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