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We reviewed the CT studies of 176 patients with biopsy-proven inflammatory pseudotumour of the orbit, in an attempt to establish the incidence of bone sclerosis in this condition. We found 20 patients (11.5%) to show definite bone sclerosis and/or hyperostosis, and in a further 10 (6%) there was probable sclerosis, giving a total of 30 patients (17%) with some evidence of bony change. Bone-window films were available for a minority of patients, and the frequency of sclerosis was therefore probably underestimated. This feature, which presumably represents a low-grade, chronic sterile osteitis, has not previously been emphasised.

Original publication




Journal article


Clinical radiology

Publication Date





123 - 126


Department of Radiology and Orbital Clinic, Moorfields Eye Hospital, UK.


Humans, Osteosclerosis, Hyperostosis, Tomography, X-Ray Computed, Orbital Pseudotumor