Specific Anatomic Region

Kidney

Application

R/O renal obstruction by a stone

Author

Katz et al.

Reference Source

AJR 1996; 166:1319-1322

Scanner Used

GE HiSpeed Advantage

Injection Rate

No contrast used

Contrast Volume and Type

N/A

Area Scanned

From midportion T-12 to midportion of symphysis

Scan Delay

None

Length of Spiral (time)

30-40sec

Slice Thickness

5mm

Table Speed/Pitch

Pitch of 1.6

Reconstruction Interval

3mm

3D Technique Used

None

Comment: Associated findings including hydronephrosis, hydroureter, perinephric soft tissue stranding or edema, and periureteral edema help make the diagnosis even if a stone is poorly seen.