CT MAXILLOFACIAL (last updated 10/28/2020, last reviewed 10/28/2020)
INDICATION: Trauma, pain, fracture, fibroosseous disease, evaluation of bone lesion.
SERIES
- 2mm Axial bone
- 2mm Axial soft tissue
- 2mm Coronal bone
- 2mm Sagittal bone
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POSITIONING/MODE
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supine/helical |
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kV/mA/rot time
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120 kV/auto mA/less than 1 sec |
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DETECTOR COLLIMATION
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16 x 0.75mm (S16) 64 x 0.6mm (D64) |
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SLICE THICKNESS
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2mm |
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PITCH
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1 to 1.5 |
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KERNAL
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bone and soft tissue |
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SFOV
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<25 cm |
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COVERAGE
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mandibular symphysis -> above frontal sinus |
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ACQUISITION
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caudocranial |
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IV CONTRAST
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none |
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POSTPROCESSING
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2mm Coronal, 2mm Sagittal |
Coronal and Sagittal reformats should be perpendicular to hard palate