On T2-weighted MRI the globus pallidus typically appears hypointense compared to the putamen. This is primarily due to:

On T2-weighted MRI the globus pallidus

Multiple choice — select the best answer

AHigher myelin content
BIncreased blood flow
CLower water content
DIron deposition

✓ Correct answer: D. Iron deposition Normal iron accumulation in the globus pallidus (and substantia nigra) causes T2 shortening (hypointensity). This physiologic iron deposition increases with age and is greatest in the globus pallidus among the basal ganglia nuclei.

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Topic: Cross-Sectional Anatomy

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On T2-weighted MRI the globus pallidus typically appears hypointense compared to the putamen. This is primarily due to:

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