CT scan

Definition

A CT scan, or computed tomography scan, is a medical imaging technique that uses X-rays to create detailed cross-sectional images of the body. In the context of examining brain structure, a CT scan primarily provides information about the density and shape of different brain structures.

Related terms

MRI (magnetic resonance imaging): This imaging technique uses powerful magnets and radio waves to generate detailed images of internal body structures.

PET scan (positron emission tomography): A type of imaging that uses radioactive tracers to monitor metabolic activity in different areas of the brain.

Brain lesions: Abnormalities or damage found in specific areas of the brain as detected by neuroimaging techniques like CT scans.