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Ophthal Plast Reconstr Surg. 2011 Nov-Dec;27(6):e143-4. doi: 10.1097/IOP.0b013e3182078dff.

Trochlear calcification mimicking an orbital foreign body.

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  • 1Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, Florida, USA.


A 39-year-old man presented with diplopia 1 day following left orbit trauma. CT scan and ultrasound showed a left trochlear hyperintensity that was interpreted by both the radiologist and echographer as a metallic foreign body. Surgical exploration failed to identify a foreign body. The patient presumably had preexisting trochlear calcification with a post-traumatic nonconcomitant small-angle vertical deviation and diplopia. Calcification should be considered in the differential diagnosis of trochlear hyperintensity noted on imaging studies.

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