64 Slice MDCT Protocols: Abdomen |
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Specific anatomic region |
Small bowel |
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Application |
Crohn's disease |
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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 / 276/ 0.5 |
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Detector Collimation (mm) |
0.6 |
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Slice thickness (mm) |
3.0/5.0mm |
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Pitch |
0.75 |
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Kernel |
30 |
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Reconstruction interval |
3.0-5.0mm |
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Image order (acquisition) |
Cr-ca |
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Oral contrast |
1000 cc water or Omnipaque-350 in water (100cc of Omnipaque-350 in one gallon of water) |
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IV contrast volume and type |
100-120 cc Omnipaque 350 |
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Injection rate |
3cc/sec |
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Scan delay (sec) |
60 sec |
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3D technique used |
as needed |
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Comment: We will reconstruct with thinner slices and even do 3D reconstructions in select cases. This includes cases to define SMA/SMV as well as to exclude ischemia. CT angiography will require a different delay time and dual phase imaging. (25 & 50 sec). |
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