1890 Perivasculitis, inflammation of a perivascular sheath.
1964 S. Duke-Elder (ed. 14) xxii. 330 The ætiology is obscure, but it is probable that many cases are due to perivasculitis of tuberculous or septic origin.
1993 90 10063/1 A discrete perivasculitis limited to a small number of larger blood vessels in cerebellar sulci.