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. 2014 May 2;5(3):387–402. doi: 10.1007/s13244-014-0328-2

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© The Author(s) 2014

Open Access This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.

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Fig. 5 — A large, cystic CPA in a 7-year-old boy. (a) An axial T2-weighted image shows a hyperintense mass of the right cerebellar hemisphere with a less intense soft-tissue nodule along its medial margin and without surrounding oedema (arrows). Note the arachnoid cyst in the left middle cranial fossa. b On an axial FLAIR image, the cystic component shows low signal intensity that is higher than that of the CSF, and the soft tissue nodule is homogeneous and slightly hyperintense (arrows). c On a diffusion-weighted image, the mural nodule appears isointense (arrow). d An axial, contrast-enhanced, T1-weighted image demonstrates intense enhancement of the mural nodule (arrows)