107. CT PLEURA, CHEST WALL

Indications  Initial evaluation of empyema/malignant pleural disease
Number of scan Acquisition/series  2
Scan Acquisition  1 Pulmonary Arterial  2 Pleural phase
Range  Clavicular heads through costophrenic angles  Clavicular heads through costophrenic angles
Care Dose 4D  On  On
Quality Reference  130 mAs  130 mAs
KV / Effective mAs / Rotation time  120 / 130 / 0.5 seconds  120 / 130 / 0.75 seconds
Detector Collimation  1.5 mm  1.5 mm
Slice Thickness   3 mm   3 mm
Pitch factor  1.3  1.3
Kernel (for initial reconstruction)  B30f  B80s
Increment  3 mm  3 mm
Image order  Cranial - Caudal  Cranial - Caudal
Oral Contrast  200 cc water on table before scan  None
 IV contrast  80cc Isovue 300  No additional
 Injection Rate  3 cc second  N/A
 Scan Delay (sec)  25 seconds (if using 2.5 cc/second  increase to
 30 seconds). Use Care Bolus for cardiac disease
 90 seconds
 Reconstruction
 (Series to send to PACS)
 1. Recon 3x3 B30f mediastinum medium smooth
 2. Recon 3x3 B80f lung ultrasharp
 3. Recon 2x1 B80f to 3D card for coronal recon.
 4. Recon 3x3 B30f mediastinum medium smooth