PT  - JOURNAL ARTICLE
AU  - J C Orcutt
AU  - A Garner
AU  - J M Henk
AU  - J E Wright
TI  - Treatment of idiopathic inflammatory orbital pseudotumours by radiotherapy.
AID  - 10.1136/bjo.67.9.570
DP  - 1983 Sep 01
TA  - British Journal of Ophthalmology
PG  - 570--574
VI  - 67
IP  - 9
4099  - http://bjo.bmj.com/content/67/9/570.short
4100  - http://bjo.bmj.com/content/67/9/570.full
SO  - Br J Ophthalmol1983 Sep 01; 67
AB  - Radiotherapy offers an alternative to steroid therapy for idiopathic inflammatory orbital pseudotumours. Twenty-four orbits were treated with radiotherapy, of which 75% responded adequately. There were no significant complications and no recurrences during the average follow-up time of 22.3 months (1-50 months). Biopsy, CT scanning, and steroid response of orbital pseudotumours can be helpful in predicting the response to radiotherapy. An adequate response to radiotherapy can be predicted if lymphocytes with germinal centres are present in biopsy specimens. Polymorphonuclear leucocytes and eosinophils suggest a poor response to radiotherapy. Small, discrete, inflammatory masses respond better than large diffuse masses. Pseudotumours initially responding to steroids were likely to respond to radiotherapy.