Radiology Practice Test

Question: 1 / 400

Which imaging modality is preferred for detecting brain tumors?

X-ray

MRI

MRI is the preferred imaging modality for detecting brain tumors due to its ability to provide highly detailed images of soft tissues, including the brain and surrounding structures. Unlike X-ray or ultrasound, which have limitations in visualizing the brain's complex anatomy, MRI utilizes powerful magnets and radio waves to generate images with excellent contrast resolution. This allows for clearer differentiation between tumor and healthy brain tissue, enabling more accurate diagnosis and assessment of the tumor's size and location.

While CT scans can also detect brain tumors and are often used in emergency settings due to their speed in assessing acute conditions, they typically provide less detail regarding soft tissue contrast compared to MRI. Therefore, MRI is generally favored for comprehensive evaluations of brain tumors.

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CT Scan

Ultrasound

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