"Subependymal cysts may either be postnatally acquired post-haemorrhagic cysts or may be congenital (germinolytic). The congenital cysts may result from infection, ischaemic injury, or haemorrhage."
"Anechoic, well-circumscribed lesions near the lateral ventricular margin, especially the germinal matrix area ref. Post-haemorrhagic vs germinolytic (congenital) cysts are difficult to differentiate sonographically ref."
"T1: hypointensity"
"T2: hyperintensity"
"DWI: no diffusion restriction"