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Why is MRI valuable for detecting tumors and early stroke damage?
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magnetic resonance
Figure 1: Precession of a magnetic dipole moment μ in the presence of a constant field H and a rotating field H′ (see text)
Magnetic resonance imaging (MRI) is a valuable diagnostic tool because it provides highly detailed, three-dimensional anatomical images without the use of radiation. Its effectiveness in detecting tumors and early stroke damage stems from its superior ability to differentiate between normal and diseased or damaged tissues.12
Specifically, MRI is highly sensitive to the hydrogen atoms found abundantly in the body's water and lipids. By measuring the magnetic moments of these nuclei, the technology produces high-contrast images that allow physicians to:12
- Identify Tumors: MRI reveals the precise extent of tumours rapidly and vividly.1
- Detect Stroke Damage: It provides early evidence of potential damage from stroke, such as blood-starved tissues, which allows for the timely administration of appropriate medical treatments.12
Because MRI excels at imaging soft tissues—such as the brain and spinal cord—while producing minimal interference from bone, it remains a revolutionary tool for clinical diagnosis.12