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AJNR - American Journal of Neuroradiology

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Rhabdoid Meningioma: Clinical Features and MR Imaging Findings in 15 Patients

E.Y. Kim^a, Y.C. Weon^a,c, S.T. Kim^a, H.-J. Kim^a, H.S. Byun^a, J.-I. Lee^b and J.H. Kim^c

^a Departments of Radiology and Centers for Imaging Science, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
^b Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
^c Department of Radiology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam-si, Korea

View larger version (32K): [in this window] [in a new window]   Fig 1. A 64-year-old woman presenting with memory disturbances. Axial T1-weighted (A), T2-weighted (B), and contrast-enhanced T1-weighted (C) MR images show a marked enhancing mass at left frontal lobe. Note peritumoral cyst (arrow) and extensive peritumoral edema surrounding the tumor.

View larger version (30K): [in this window] [in a new window]   Fig 2. A 56-year-old woman presenting with right eyelid palsy. A, Axial precontrast CT image demonstrates hyperostosis and bony erosion (arrow) at the right anterior clinoid process. B, Postcontrast CT image shows a well-enhancing mass arising from right sphenoid ridge. C–E, Axial T1-weighted (C), contrast-enhanced axial (D), and coronal (E) T1-weighted MR images show a marked enhancing extra-axial mass at the sphenoid ridge.