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J Pediatr Neurosci. 2019 Oct-Dec;14(4):236-237. doi: 10.4103/jpn.JPN_102_18. Epub 2019 Dec 3.

Unilateral Cerebellar Hypoplasia: A Rare Cause of Childhood Seizures.

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Department of Diagnostic and Interventional Radiology, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India.
Department of Neurology, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India.


Cerebellar malformations are a rare group of disorders with clinical heterogeneity. The usual posterior fossa malformations comprise of the cystic lesions like Dandy-walker complex, enlarged cisterna magna or arachnoid cysts. The vermis is a commonly associated structure in both cystic and non-cystic posterior fossa malformations. The congenital malformations affecting the cerebellar parenchyma are however very rare. Magnetic resonance imaging (MRI) is an excellent modality to detect and accurately classify these malformations. We describe a case of 14 years old boy with unilateral cerebellar hypoplasia and recurrent seizures with emphasis on the MRI features of this rare entity.


Cerebellar dysplasia; Cerebellar hypoplasia; Cerebellar malformation; Posterior fossa malformations

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