Stereotactically treated giant perivascular spaces in a 13-year-old boy mimicking brain tumor.

Chudy D et al. Stereotactically Treated Giant Perivascular Spaces ... Cen Eur Neurosurg 2011; 72: 104 – 106 Introduction ▼ Perivascular spaces (PVSs) of the brain, also known as Virchow-Robin spaces, are pia-lined cavities surrounding brain arteries and arterioles as they penetrate into the cerebral tissue [13, 16] . Cystic cavities have fi rst been described in the literature in 1838, as small cavities in the globus pallidus and putamen [2] .