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Intraorbital dermoid

Case contributed by Vinay Shah
Diagnosis almost certain

Patient Data

Gender: Male
mri

well defined T1W hyperintense signal lesion in the supero-medial aspect of left orbit at anterior extra-conal region, which shows suppression on the fat suppressed and STIR images. The lesion shows intenral predominant fatty content  and shows peripheral  enhancement on post contrast images. The lesion is indenting the medial rectus muscle. 

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