64 Slice MDCT Protocols: Chest

Specific anatomic region

Chest (airway)

Application

Airway (adult)

Author

Elliot K Fishman, MD

Reference Source

JHU Protocol

Scanner Used

Siemens Sensation 64

KV/Effective mAs/ Rotation time (sec)

120/ 200 / 0.5

Detector Collimation (mm)

0.6

Slice thickness (mm)

0.75

Pitch

0.9

Kernel

B30f medium smooth

Reconstruction interval

0.5mm

Image order (acquisition)

Cr-ca

Oral contrast

N/A

IV contrast volume and type

N/A

Injection rate

N/A

Scan delay (sec)

N/A

3D technique used

VRT / MIP / MPR

Comment:

  • IV contrast might be unnecessary to look at stent patency or airway patency. But for tumor staging it is mandatory.
  • For airway evaluation we routinely do 3D mapping. This is especially valuable with a stent present.