"The sensitivity and specificity of MDCT for the diagnosis of tissue growth were 86.7% and 85.7% respectively. The overall accuracy of curved planar reformation images of MDCT for diagnosing the causes of stent occlusion was 86.2%"

"The difference in attenuation value inside the biliary stent between the contrast-enhanced and unenhanced phases of CT in the tissue growth group was 27.7 ± 21.7 HU and 4.2 ± 10.6 HU in the stent clogging group.The sensitivity and specificity of MDCT for the diagnosis of tissue growth were 86.7% and 85.7% respectively. The overall accuracy of curved planar reformation images of MDCT for diagnosing the causes of stent occlusion was 86.2%"

"The difference in attenuation value inside the biliary stent between the contrast-enhanced and unenhanced phases of CT in the tissue growth group was 27.7 ± 21.7 HU and 4.2 ± 10.6 HU in the stent clogging group."

Curved Planar Reformatted Images of MDCT for Differentiation of Biliary Stent Occlusion in Patients with Malignant Biliary Obstruction
Bang BW et al.
AJR 2010; 194:1509-1514

"Curved planar reformation MDCT is a useful noninvasive technique that is relatively accurate for diagnosing the cause of biliary stent occlusion and is helpful in planning the therapeutic management of such patients."

Curved Planar Reformatted Images of MDCT for Differentiation of Biliary Stent Occlusion in Patients with Malignant Biliary Obstruction
Bang BW et al.
AJR 2010; 194:1509-1514