segmental testicular infarction

What are the Ultrasound and MRI findings of segmental testicular infarction?

On US, segmental testicular infarcts appear as geographic rounded or wedge-shaped hypoechoic areas in the testicle with absent blood flow on Doppler US.

On MRI, they appear as geographic rounded or wedge-shaped areas with intermediate T1-weighted and low T2-weighted signal intensity relative to testicular parenchyma, sometimes with areas of high T1-weighted signal intensity when there is associated hemorrhage. These typically lack enhancement, although some peripheral enhancement may be present.


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