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Abstract
Computed tomography (CT) findings in two patients with orbital histiocytosis are described.
The main features are (a) replacement of bone by soft tissue, which has an absorption
value of approximately 40 Hounsfield units (HU) and is not contrast-medium enhanced;
(b) bone expansion at the rim of the lesion; (c) a large intraosseous component and
a small extraosseous part; and (d) absence of calcification or periosteal reaction.
Keywords
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© 1983 Published by Elsevier Inc.
