Overview

cross-sectional imaging


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Any technique that produces an image in the form of a plane through the body with the structures cut across. The main techniques are ultrasonography, computerized tomography, magnetic resonance imaging, and some nuclear medicine techniques (see positron emission tomography; SPECT scanning). If a series of thin-section images is stacked they can be ‘cut’ through to show other planes or allow reconstruction of three-dimensional images.

Subjects: Medicine and Health.


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