CHORUS
Collaborative Hypertext of Radiology
Nervous system
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orbital pseudotumor
- nonspecific inflammation of orbit
- sudden, painful proptosis
- Rx: steroids
- middle age, M=F
- unilateral (90%)
- EOM enlargement: one muscle, inferior rectus most common
- lacrimal gland enlargement
- optic nerve enlargement + irregularity
- scleral enhancement (50%)
- streaky intraconal fat
- orbital mass (intra- or extraconal, discrete or irregular)
Charles E. Kahn, Jr., MD - 2 February 1995
Last updated: 1 October 2013
Copyright © 2013, Charles E. Kahn, Jr.
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