64 Slice MDCT Protocols: Head and Neck |
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Specific anatomic region |
Peds neck |
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Application |
mass or abscess |
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Author |
Elliot K Fishman, MD |
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Reference Source |
JHU Protocol |
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Scanner Used |
Siemens Sensation 64 |
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KV/Effective mAs/ Rotation time (sec) |
120/ 90 / 1.0 |
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Detector Collimation (mm) |
0.6 |
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Slice thickness (mm) |
3mm and .75mm |
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Pitch |
0.9 |
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Kernel |
B30s
medium smooth- Abdomen window B70s very sharp- Bone |
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Reconstruction interval |
3mm
x 3mm ST and Bone 0.75mm x 0.5mm ST |
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Image order (acquisition) |
Cr-ca |
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Oral contrast |
N/A |
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IV contrast volume and type |
Omnipaque
350 depends on weight (up to 2 cc/kg) |
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Injection rate |
1.5cc/sec (depends on IV up to 2cc) |
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Scan delay (sec) |
Depends on patient |
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3D technique used |
Volume rendering |
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Comment: Extension of scan into mediastinum may be necessary to define the full extent of the mass |
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