Fig 1.
Fig 1.
Axial T2-weighted images (5400/103 [TR/TE]). Multiple, confluent, hyperintense, cystlike lesions exist in the right thalamo-ponto-mesencephalic region, exerting mass effect and compressing the cerebral aqueduct and the upper half of the fourth ventricle. The arrow shows periventricular edema caused by the obstructive hydrocephalus.
Expanding Virchow Robin Spaces in the Midbrain Causing Hydrocephalus
