normal CT and MRI appearance of the spleen

What is the normal CT and MRI appearance of the spleen?

The normal spleen has homogeneous soft tissue attenuation on unenhanced CT, usually 5 to 10 HU less than liver, and appears slightly hypointense on T1-weighted images and hyperintense on T2-weighted images relative to liver.

It is typically less than 13 cm in craniocaudal dimension and has an average volume of ≈225 ml in adults. Splenic clefts are commonly seen, which are smooth curvilinear infoldings of the splenic surface without surrounding fluid 


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