13 - NEURORADIOLOGY NGHA

13 - NEURORADIOLOGY NGHA - NEURO-RADIOLOGY THE ESSENTIALS...

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NEURO-RADIOLOGY THE ESSENTIALS Hassan Al-Balas, M.D. Department of Radiology
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INTRODUCTION Several complimentary modalities are currently available in neuroradiology. The invention of CT revolutionized imaging of the brain and the spine. MRI further improved our diagnostic ability and accuracy of CNS disorders. Knowledge in neuro-anatomy is essential for correct diagnosis.
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MODALITIES Plain film Computerized radiography. Magnatic resonance imaging. Myelogram. Angiogram. Ultrasound.
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PLAIN RADIOGRAPHS Plain X-ray is essential modality for initial assessment of the spine. Good display of bony details Limited value in evolution of head trauma since it may not reflect underlying CNS damage. Skull radiograph helps in classification of skull fractures and its extent and therefore further management.
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Computerized Tomography CT Readily available fast modality for evaluation of intracranial structures. Rapid acquisition of axial images. The procedure of choice for evaluation of patients with head trauma and stroke patients. Provides fine details of the bony structures.
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MRI Provides fine details of the brain and spine. Does not involve irradiation. Needs special equipment for patient monitoring. Few specific contraindication, e.g. pacemakers, old cerebral aneurysms clips,
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13 - NEURORADIOLOGY NGHA - NEURO-RADIOLOGY THE ESSENTIALS...

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