64 Slice MDCT Protocols: Bone

Specific anatomic region

Foot/ ankle

Application

High detail of bone architecture- r/o osteomyelitis, r/o fracture, r/o nonunion (upper)

Author

Elliot K Fishman, MD

Reference Source

JHU Protocol

Scanner Used

Siemens Sensation 64

KV/Effective mAs/ Rotation time (sec)

120/ 200 / 1.0

Detector Collimation (mm)

0.3

Slice thickness (mm)

.4

Pitch

1

Kernel

70 UHR

Reconstruction interval

.2 mm

Image order (acquisition)

Cr-ca

Oral contrast

N/A

IV contrast volume and type

as needed

Injection rate

if used- 4 cc/sec

Scan delay (sec)

variable

3D technique used

VRT & MPR

Comment:

  • This uses the new Siemens Z-UHR detector array which provides .4mm slice thickness from .3mm collimation. It gives the best bone detail possible. (It uses 12 x .3mm acquisition.