64 Slice MDCT Protocols: Abdomen |
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Specific anatomic region |
Kidney |
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Application |
Hematuria |
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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 / 250/ 0.33 |
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Detector Collimation (mm) |
0.6 |
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Slice thickness (mm) |
0.75mm |
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Pitch |
0.75 |
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Kernel |
30 |
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Reconstruction interval |
0.5mm |
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Image order (acquisition) |
Cr-ca |
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Oral contrast |
1000 cc water 15-20 minutes prior to study |
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IV contrast volume and type |
100-120 cc Omnipaque 350 |
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Injection rate |
3-4cc/sec |
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Scan delay (sec) |
25 sec (arterial)/ 60 sev (venous)/ 4-5 min (excretory) |
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3D technique used |
VRT & MIP |
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Comment: The question is to maximize the information yet minimize the phases used. Non contrast is done with 5 mm thick sections at 5 mm intervals. The venous phase can be eliminated in many cases but an excretory phase is mandatory to exclude infection by TCC. |
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