Abstract
A 9-month-old girl developed subacute limited adduction of the left eye, presenting
with blepharoptosis. An orbital magnetic resonance imaging (MRI) 2 months after the
onset revealed swelling of the left lateral rectus muscle, with increased intensity
on T2-weighted images with fat saturation, which was enhanced with gadolinium. She
was diagnosed with idiopathic orbital myositis based on history, physical examination,
and MRI findings. Swelling of the left lateral rectus muscle was partially reduced
by pulse steroid therapy. This is the first reported case of an infant orbital pseudotumor
with clinical and MRI findings consistent with subacute orbital myositis. We propose
that a fibrotic change of the orbital muscle may occur during a subacute course and
would be incompletely responsive to steroid therapy.
Keywords
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Article info
Publication history
Accepted:
May 6,
2004
Received in revised form:
May 6,
2004
Received:
July 11,
2002
Identification
Copyright
© 2004 Elsevier B.V. Published by Elsevier Inc. All rights reserved.
