Specific Anatomic RegionLung Parenchyma
ApplicationR/O lung metastases
AuthorFishman EK
Reference SourcePersonal Communication
Scanner UsedSiemens Plus4 Volume Zoom
KV / mAs / Time per Rotation (sec)140/120/.5
Detector Collimation (mm)2.5
Slice Thickness (mm)3 or 5
Data Reconstruction Interval (mm)3 or 5
Table Speed (mm per rotation) / Pitch15.0/6
Oral ContrastN/A
IV Contrast Volume and TypeN/A
Injection RateN/A
Scan Delay (sec)N/A
3D Technique UsedN/A
  • Some people feel that a routine chest screen is fine, with 5 mm collimation at 5 mm intervals.
  • Some feel that IV contrast should be used to make it easier to exclude adenopathy.
  • Volume display in 3D decreases false positive rate!