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Alon Kahana, MD, PhD; Mark J. Lucarelli, MD; Allison M. Grayev, MD; Jeremy J. Van Buren, MD, PhD; Cat N. Burkat, MD; Lindell R. Gentry, MD

Arch Ophthalmol. 2007;125(12):1635-1642.

Objective  To evaluate the clinical utility of time-resolved contrast-enhanced magnetic resonance angiography (MRA) in the evaluation of vascular orbital tumors.

Methods  Retrospective medical record review of patients with vascular orbital lesions imaged with Time-Resolved Imaging of Contrast KineticS (TRICKS; GE Healthcare [Chalfont St Giles, England]) MRA, a noninvasive dynamic imaging modality.

Results  Five patients with orbital vascular tumors were evaluated using TRICKS MRA. These included 1 patient with a cavernous hemangioma, 2 patients with orbital varices, 1 patient with an orbitocutaneous arteriovenous malformation, and 1 patient who had a solitary fibrous tumor with features of a hemangiopericytoma. In 2 patients, diagnoses were altered as a result of TRICKS MRA. In addition, a young patient with a large orbitocutaneous arteriovenous malformation involving the ophthalmic artery was followed perioperatively and noninvasively using TRICKS MRA, which produced exquisite images and added substantial value in the care of these patients.

Conclusion  Dynamic MRA in the form of TRICKS is a newly available imaging modality with great potential for improving the evaluation and management of patients with complex orbital tumors.

Author Affiliations: Department of Ophthalmology and Visual Sciences, Oculoplastics Service (Drs Kahana, Lucarelli, Van Buren, and Burkat), and Department of Radiology, Neuroradiology Division (Drs Grayev and Gentry), University of Wisconsin, Madison. Dr Kahana is now with the Department of Ophthalmology and Visual Sciences, Eye Plastic, Orbital and Facial Cosmetic Surgery, Kellogg Eye Center, University of Michigan, Ann Arbor.

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