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A 49-year-old female with schwannoma. (a) Axial T2 weighted (T2W), (b) axial T1 weighted (T1W) and (c) fat-saturated post-contrast T1W images through the pelvis showing a well-defined mass arising from the left hemisacrum with presacral extension (arrows). The mass is hyperintense on T2W, hypointense on T1W and shows mild post-contrast enhancement.
