Lab Test

CT Scan

Learn about computed tomography scans: purpose, procedure, and safety considerations.

Overview

A CT (computed tomography) scan uses X-rays to create detailed cross-sectional images of the body.

CT scans diagnose tumors, infections, injuries, and structural abnormalities in various parts of the body.

The patient lies on a table that moves through a large doughnut-shaped machine. The machine takes X-ray images from multiple angles.

May require fasting, contrast dye, or specific clothing instructions depending on the area being scanned.

Abnormal results may show tumors, fractures, bleeding, infections, or other conditions.

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Medical Disclaimer