Fat on T2-weighted MRI appears as which signal intensity?

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Multiple Choice

Fat on T2-weighted MRI appears as which signal intensity?

Explanation:
On T2-weighted MRI, signal is driven by T2 relaxation and fluid content. Fat tissue typically yields a relatively high signal on T2, so it appears bright rather than dark. The bright appearance helps distinguish fat from other tissues in non-fat-saturated T2 images. Only when a fat-saturation (fat-sat) technique or a sequence designed to suppress fat is used would fat appear dark. So, fat on T2-weighted imaging is best described as bright.

On T2-weighted MRI, signal is driven by T2 relaxation and fluid content. Fat tissue typically yields a relatively high signal on T2, so it appears bright rather than dark. The bright appearance helps distinguish fat from other tissues in non-fat-saturated T2 images. Only when a fat-saturation (fat-sat) technique or a sequence designed to suppress fat is used would fat appear dark. So, fat on T2-weighted imaging is best described as bright.

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