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Imaging

CT scan

Computed tomography — cross-sectional X-ray imaging used for bone, vascular, and organ evaluation.

CT (computed tomography) uses rotating X-rays to build cross-sectional images. Faster than MRI (seconds vs minutes), better for bone/vascular detail, uses ionizing radiation (dose matters — expect ~5-10 mSv for a chest CT). Contrast-enhanced CT requires IV iodine-based contrast and temporary kidney-function clearance.

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