13-year-old female present with cough and fever. A Chest CT was performed with SUREExposure and SUREkV, automated mA modulation and kV selection. AIDR 3D, Adaptive Iterative Dose Reduction was automatically applied to the scan. AIDR 3D improves the image quality while the radiation dose is reduced. Maximum Intensity Projection (MIP) and 3D Volume Rendered demonstrate areas of consolidation in both lungs.
*AAPM Report 96; k Factor 0.0032
Scan Mode | Ultra-Helical |
Collimation | 0.5 mm x 80 |
kVp | 100 |
mAs | SURE Exposure |
Rotation Time | 0.5 s |
Scan Range | 273.0 mm |
Dose Reduction | AIDR 3D |
CTDlvol | 2.1 mGy |
DLP | 69.3 mGy·cm |
Effective Dose* | 0.97 mSv |
14-year-old male, an ultra-helical CT scan of the right Knee was performed with AIDR 3D, Adaptive Iterative Dose Reduction. 3D Volume Rendered and Multiplanar Reconstruction (MPR) show small calcifications in the popliteal fossa.
View Scan ParametersScan Mode | Ultra-Helical |
Collimation | 0.5 mm x 80 |
kVp | 120 |
mAs | 75 |
Rotation Time | 0.5 s |
Scan Range | 142.0 mm |
Dose Reduction | AIDR 3D |
CTDlvol | 6.1 mGy |
DLP | 113.1 mGy·cm |
A 6-year-old child victim of a bike accident presented with right facial soft tissue swelling. A CT scan was requested to rule out fractures. An Ultra-Helical CT scan of the face, 0.5 mm slice thickness and 80-detector row was performed with AIDR 3D, Adaptive Iterative Dose Reduction.
*AAPM Report 96, k-factor 0.0040
Scan Mode | Ultra-Helical |
Collimation | 0.5 mm x 80 |
kVp | 100 |
mAs | 85 |
Rotation Time | 0.5 s |
Scan Range | 120 mm |
Dose Reduction | AIDR 3D |
CTDlvol | 9.8 mGy |
DLP | 160 mGy·cm |
Effective Dose* | 0.64 mSv |
5-year-old child, CT scan of the Head was performed with AIDR 3D, Adaptive Iterative Dose Reduction. It was embedded into the protocol and automatically applied to the scan. PUREVision Optics optimizes the x-ray spectrum providing better use of the photons and better light output. A homogeneous spectrum improves image quality lowering the radiation dose to patient.
*AAPM Report 96, k-factor 0.0040
Scan Mode | Ultra-Helical |
Collimation | 0.5 mm x 40 |
kVp | 120 |
mAs | SURE Exposure |
Rotation Time | 0.5 s |
Scan Range | 153 mm |
Dose Reduction | AIDR 3D |
CTDlvol | 28.8 mGy |
DLP | 494.6 mGy·cm |
Effective Dose* | 1.97 mSv |
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