perivascular

Around a vessel.

• p. cellulitis — may be caused by the introduction of infection at the time of an injection or the injection of an irritant substance such as thiacetarsamide into tissues while attempting an intravenous injection.
• p. cuffing — the accumulation of lymphocytes or plasma cells in a dense mass around the vessel. An indication of inflammation or of an immune reaction.
• p. dermatitis — a classification of inflammatory dermatosis in which the reaction is centered around superficial or deep dermal blood vessels.