Anomalous orbital structure mimicking fracture of orbital floor.

Journal of AAPOS : the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
Vibha Baldev, Shailja Tibrewal

Abstract

A 24-year-old man with a deviation of the right eye noted since childhood presented with significant enophthalmos, limitation of elevation, and globe retraction on attempted elevation. A disproportionately small right hypotropia was suggestive of a restrictive pathology, and forced-duction testing confirmed tightness of the inferior rectus muscle. Clinical features resembled those of orbital floor fracture with inferior rectus entrapment. Computed tomography disclosed no fracture but did reveal an abnormal structure arising from the orbit adjacent to the inferior rectus origin and attaching to the globe close to the optic nerve in the inferolateral aspect.

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