RT Journal Article SR Electronic T1 Periorbital swelling: the important distinction between allergy and infection JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 240 OP 242 DO 10.1136/emj.2002.004051 VO 21 IS 2 A1 P W A Goodyear A1 A L Firth A1 D R Strachan A1 M Dudley YR 2004 UL http://emj.bmj.com/content/21/2/240.abstract AB Orbital cellulitis and abscess formation are rare complications of sinusitis, however acute orbital inflammation is secondary to sinusitis in about 70% of cases. Delay in diagnosis must not occur to avoid serious complications such as blindness and life threatening intracranial sepsis. A case is reported in which despite late referral, emergency surgical intervention was sight saving.