|Specific Anatomic Region||Common Bile Duct|
|Application||Detection of choledocholithiasis|
|Author||Neitlich et al.|
|Reference Source||Radiology 1997; 203:753-757|
|Scanner Used||GE HiSpeed Advantage|
|Contrast Volume and Type||None|
|Area Scanned||Top of gall bladder fossa through the bottom of the pancreas|
|Scan Delay ||None|
|Length of Spiral (time)||24sec|
|Table Speed/Pitch||Pitch of 1|
|3D Technique Used||None|
- Spiral CT had a sensitivity of 88%, a specificity of 97% and an accuracy of 94% in the diagnosis of common bile duct stones (when compared with ERCP).
- I personally recommend 3mm collimation reconstructed at 3mm intervals.