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Cystic hemispheric medulloepithelioma


Jacqueline du Toit
Tracy Kilborn
Llewellyn Padayachy
Komala Pillay
Marc Hendricks

Abstract

Medulloepithelioma is a rare primitive embryonal tumour of the central nervous system which typically occurs in early childhood. The histopathological appearance has been confused with primitive neuroectodermal tumours (PNETs), but medulloepitheliomas have a more aggressive clinical course. Imaging typically demonstrates a well circumscribed, poorly or non-enhancing solid mass, with cyst formation being infrequent. We report the imaging findings in a case of a cystic hemispheric medulloepithelioma. The importance of considering this diagnosis is discussed in view of the propensity to aggressive recurrence in subtotal resection.


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eISSN: 2078-6778
print ISSN: 1027-202X