Direct Sagittal Computed Tomographic Scans of the Face and Paranasal Sinuses

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Abstract
Sagittal CT [computed tomographic] scans regenerated from the axial scan data have utilized multiple thin overlapping cuts to reduce noise level. Even with this technique, computer rearranged scans provide less than optimal delineation of the intracranial and facial structures. Direct sagittal scans of the head using a special accessory table adapted for use in wide aperture whole body scanners were obtained. These positional or true sagittal scans have spatial and density resolution nearly equal to that achieved in the standard axial plane. The table configuration is described. Normal sagittal CT anatomy of the human face is compared to gross anatomical sections, specimen radiographs and plain film tomograms.