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Article
April 1989

Incidental Discovery of Dislocated Lenses by Computed Tomography

Arch Ophthalmol. 1989;107(4):489. doi:10.1001/archopht.1989.01070010503012
Abstract

To the Editor.  —In our experience, the incidental diagnosis of a dislocated lens made on routine computed tomographic (CT) scans of the head depends on the angle of the gantry used during the examination.Traditionally, all CT studies of the head have been obtained with multiple slices parallel to the orbitomeatal line (20° angulation). More recently, radiologists have avoided angulation and obtained the CT sections parallel to a line drawn from the posterior hard palate to the undersurface of the occiput. This technique makes correlation of CT with other imaging modalities, such as magnetic resonance imaging, easier and includes views of the orbits and maxillary sinuses not available when the study is obtained with the gantry angled. Many institutions that are aware of the above-mentioned benefits use 0° angulation; however, there are still multiple diagnostic facilities where angled CT studies are done.In our hospital, during the month of August

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