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American Journal of Neuroradiology 24:1399-1403, August 2003
© 2003 American Society of Neuroradiology

Case Report
BRAIN

Expanding Virchow Robin Spaces in the Midbrain Causing Hydrocephalus

Cristina E. Papayannisa, Patricia Saidona, Carlos A. Rugilob, Diego Hessa, Gabriel Rodrigueza, Roberto E. P. Sicaa and Raul C. Reya

a Department of Neurology, Ramos Mejía Hospital, Buenos Aires, Argentina
b Department of Neuroradiology, Fundación Femién, Buenos Aires, Argentina

Address correspondence to C. Papayonis, Cabildo 645 7° A, Capital Federal CP1426, Buenos Aires, Argentina

Summary: We describe a patient who showed cystic lesions in the midbrain and obstructive hydrocephalus. MR imaging features corresponded to abnormal dilatation of perivascular spaces. Similar clinical and MR imaging findings were described in previous reports of patients presenting with mesencephalo-thalamic expanding lacunae; the diagnosis of some of those cases was confirmed at postmortem examination This condition is extremely rare but should be part of a differential diagnosis when evaluating cystic abnormalities in this area of the brain.




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Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X