Adenoma MRI

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

MRI

• Chemical shift MR imaging can be used for further characterization when CT results are indeterminate.
• Because of the high sensitivity of chemical shift MR imaging to minute amounts of intravoxel fat, MR imaging demonstrates signal intensity loss on opposed-phase images in the majority of adenomas, with a sensitivity of 89% for lesions with an attenuation of 10–30 HU and 100% for lesions with an attenuation of 10–20 HU with a maintained specificity of 100%.

(Images courtesy of RadsWiki)

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  Adrenal adenoma
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  Adrenal adenoma
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  Adrenal adenoma

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