1867 J. King 887 An abscess that has discharged into the urinary passages (perineal, perivesical, perirenal).
1967 22 July 186/1 Retrograde cystography..also showed perivesical ‘free air’ as the only abnormality.
1999 (Nexis) 27 Mar. 875 The new system categorises all muscle invasion without perivesical invasion as T2.