Ventriculomegaly is a brain condition that occurs when the lateral ventricles become dilated. The most common definition uses a width of the atrium of the lateral ventricle greater than 10 mm.
long-standing overt ventriculomegaly syndrome.
see Hydrocephalus.
Intermittent change in ventricular size is a recognised ventriculoperitoneal shunt complication but definitive imaging evidence is rare.
Aly et al. report a 3 years old boy with a spinal cord astrocytoma and ventriculoperitoneal shunt placement who demonstrated intermittent ventriculomegaly during a single MRI scan 1)