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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 3 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 3

From: Pediatric cerebellar malformations: magnetic resonance diagnostic merits and correlation with neurodevelopmental outcome

Fig. 3

A 2.5-year-old boy who presented with ataxia. a Posterior coronal T2-weighted MR image shows continuity of the cerebellar hemispheres with an abnormal transverse orientation of the cerebellar foliae (arrowheads). b, c Axial T2-weighted MR image shows continuity of the cerebellar hemispheres, dentate nuclei (arrows), and superior cerebellar peduncles without an intervening vermis, key hole appearance of the fourth ventricle (arrowheads), associated with aqueductal stenosis and supratentorial abnormalities (supratentorial hydrocephalus, absent septum pellucidum, callosal dysgenesis, abnormal gyration, and also bilateral subdural hematoma). Final diagnosis: rhomboencephalosynapsis

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