Specific anatomic region Adrenal
Application Stage adrenal cancer
Author Elliot K Fishman, MD
Reference Source JHU Protocol
Scanner Used Siemens Sensation 64
KV/Effective mAs/ Rotation time (sec) 120 / 250/ 0.5
Detector Collimation (mm) 0.6
Slice thickness (mm) 0.75- 3mm
Pitch 0.75
Kernel 30
Reconstruction interval 0.75-3mm
Image order (acquisition) Cr-ca
Oral contrast 1000 cc water
IV contrast volume and type 100-120 cc Omnipaque 350
Injection rate 3-4cc/sec
Scan delay (sec) 25 & 60 sec
3D technique used VRT & MIP
Dual phase CT is done for staging and defining tumor extent. The venous phase at 60-70 sec is critical for renal vein and IVC involvement. We do not do non-contrast CT like we do for suspected adenoma.