Kidney
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Kidney
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Specific Anatomic Region |
Kidney |
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Application |
Suspected renal mass |
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Author |
Fishman EK, Urban, BA |
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Reference Source |
Spiral CT Evaluation of the Kidney (in: Spiral CT: Principles, Techniques and Clinical Applications. Fishman, Jeffrey, eds. 1998) |
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Scanner Used |
Siemens Somatom Plus 4 |
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Injection Rate |
3cc/sec |
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Contrast Volume and Type |
120cc Omnipaque 350 |
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Area Scanned |
From 2cm above to 2cm below kidneys |
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Scan Delay (2 delays if dual spiral) |
30sec/70 sec (dual spiral) |
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Length of Spiral (time) |
30-40sec each |
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Slice Thickness |
3-5mm |
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Table Speed/Pitch |
3-5mm |
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Reconstruction Interval |
2-3mm |
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3D Technique Used |
Volume rendering |
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Comment: A few noncontrast scans (5mm) are obtained prior to injecting contrast. The key to an accurate evaluation of a renal mass is imaging in several different phases to look at the enhancement pattern and lesion borders. |
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1A) |
1B) |
Case 1: simple renal cyst |
2A) |
2B) |
Case 2: polycystic renal disease (APCK) |
3A) |
3B) |
Case 3: metastases to the left kidney from lung cancer |
4A) |
4B) |
Case 4: small renal cell carcinoma |
5A) |
5B) |
Case 5: Wilms tumor with liver metastases |
