Imaging the nervous system

Imaging the nervous system - Imaging the nervous system...

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Imaging the nervous system Different types of imaging tests available for investigation of the nervous system. Basic imaging techniques X-Rays Role: Fractures; Arthritis; Metastases; Osteoporosis; Position of hardware Advantages: Fast; Cheap; Good bone detail; Dynamic images Disadvantages: 2-D; Poor soft tissue detail; X-ray dose CT 1. Role: A&E; Trauma (Haematomas & Fractures); Stroke (Haemorrhage); Severe headache (SAH, meningitis); Unconscious patient; Hydrocephalus; CT guided biopsies 2. Advantages: Excellent bone detail; Good for blood & Ca; Good soft tissue detail; Quiet & spacious; CT guided biopsy; 3-D 3. Disadvantages: Expensive; Very high X-ray dose MRI Advantages: No X-rays; Exquisite anatomy; Excellent soft tissue detail; Multiplanar acquisition Disadvantages: Very slow; Very expensive; Claustrophobic & noisy; Poor bone detail; DSA (Digital Subtraction Angiography) Role: Gold standard for intracranial haemorrhage (Aneurysm; Arterio-venous fistula); Assessment
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Imaging the nervous system - Imaging the nervous system...

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