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AJNR - American Journal of Neuroradiology

Published ahead of print on September 24, 2007
doi: 10.3174/ajnr.A0661

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A Pediatric Case of Low-Grade Lymphomatoid Granulomatosis Presenting with a Cerebellar Mass

A.T.K. Kendi^a, A.M. McKinney^a, H.B. Clark^b and S.A. Kieffer^a

^a Department of Radiology, University of Minnesota-Fairview and Medical Centers, Minneapolis, Minn
^b Department of Neuroradiology Division, and Laboratory Medicine/Pathology, University of Minnesota-Fairview and Medical Centers, Minneapolis, Minn

View larger version (28K): [in this window] [in a new window]   Fig 1. A, Axial CT scan demonstrates slight hyperattenuation of the cerebellar vermis with surrounding symmetric low attenuation involving the medial aspects of both cerebellar hemispheres. B, Axial FLAIR image shows symmetric patchy T2 hyperintense areas involving the medial aspects of both cerebellar hemispheres and the intervening cerebellar vermis. C, Postcontrast coronal T1-weighted image demonstrates a 3.0 x 2.0 x 2.5 cm mass located in the anterosuperior aspect of the cerebellar vermis with extension into the medial aspects of both cerebellar hemispheres. There is another smaller contrast-enhancing lesion in the superior aspect of the right cerebellar hemisphere, measuring 1.6 x 1.0 x 0.8 cm (arrow).