64 Slice MDCT Protocols: Abdomen

Specific anatomic region

Abdomen/pelvis

Application

R/o diverticulitis

Author

Elliot K Fishman, MD

Reference Source

JHU Protocol

Scanner Used

Siemens Sensation 64

KV/Effective mAs/ Rotation time (sec)

120 / 276/ 0.5

Detector Collimation (mm)

0.6

Slice thickness (mm)

3.0-5.0mm

Pitch

0.75

Kernel

30

Reconstruction interval

3.0-5.0mm

Image order (acquisition)

Cr-ca

Oral contrast

1000 cc water or Omnipaque-350 in water (100cc of Omnipaque-350 in one gallon of water)

IV contrast volume and type

100-120 cc Omnipaque 350

Injection rate

3cc/sec

Scan delay (sec)

60-70 sec

3D technique used

as needed

Comment:

  • Rectal contrast may be needed in select cases.
  • IV contrast is not used when looking for an enterovesicle fistulae.