Ross E L, D'Cruz D, Morrow W J
Department of Immunology, St Bartholomew's, London.
Hosp Med. 1998 Jul;59(7):534-8.
Psoriatic arthritis is an inflammatory arthritis which can develop in some psoriasis patients. The absence of a serological test means that diagnosis must be based on consideration of clinical indices. This article summarizes the inflammatory mediators and immunological events which characterize psoriatic arthritis and examines evidence for involvement of an infectious agent in its aetiology.