64 Slice MDCT Protocols: Musculoskeletal

Specific anatomic region

Shoulder

Application

Mass/ trauma

Author

Elliot K Fishman, MD

Reference Source

JHU Protocol

Scanner Used

Siemens Sensation 64

KV/Effective mAs/ Rotation time (sec)

120/ 225 / 1.0

Detector Collimation (mm)

0.6

Slice thickness (mm)

3mm for filming
0.75 for 3D

Pitch

0.9

Kernel

B31f medium smooth + : Abdomen window
B80s ultra sharp : Bone window

Reconstruction interval

3mm x 3mm ST and Bone
0.75mm x 0.5mm Bone

Image order (acquisition)

Cr-ca

Oral contrast

N/A

IV contrast volume and type

120 cc Omnipaque 350
Depends on history

Injection rate

2.5-3.0 cc/sec
Depends on diagnosis

Scan delay (sec)

Depends on diagnosis

3D technique used

Volume rendering

Comment: IV contrast used for soft tissue masses or trauma. For bone only studies IV contrast not usually needed.