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What is the Hounsfield Unit (HU) range for muscle tissue?

+30 - +35 HU

+50 - +65 HU

The Hounsfield Unit (HU) range for muscle tissue typically falls between +50 to +65 HU. This range reflects the relative density of muscle in comparison to water, which is assigned a value of 0 HU. Muscle tissue is denser than fat and water, hence the positive HU values.

The appropriateness of this range is due to the anatomical composition of muscle, which is primarily water but also contains substantial amounts of protein and other solid components that contribute to its higher density. This higher density results in the correspondingly elevated HU values when imaged using computed tomography.

Other options do not accurately represent the typical HU values for muscle; muscle is distinctly denser than low HU values, such as those found in fat or simple fluids. These ranges emphasize the different densities encountered in human tissues, allowing for a clearer differentiation when evaluating images in a clinical setting.

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+1500 - +2000 HU

0 - +15 HU

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