Table 6 Agreement between MDCT cholangiography and gold standard method in the detection of the cause of obstruction
From: Validity of MDCT cholangiography in differentiating benign and malignant biliary obstruction
Cause of obstruction | Standard method | Total | |||||||
|---|---|---|---|---|---|---|---|---|---|
-ve | Calcular | Benign stricture | Mal. stricture | Iatrog. | Inflam. | Portahepatis | Cong. | ||
MDCT cholangiography | |||||||||
 Malignant stricture | 0 (0%) | 0 (0%) | 2 (2.9%) | 34 (49.3%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 36 (52.2%) |
 Calcular | 0 (0%) | 16 (23.2%) | 1 (1.4%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 17 (24.6%) |
 Iatrogenic | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 4 (5.8%) | 0 (0%) | 0 (0%) | 0 (0%) | 4 (5.8%) |
 Portahepatis | 0 (0%) | 0 (0%) | 0 (0%) | 1 (1.4%) | 0 (0%) | 0 (0%) | 3 (4.3%) | 0 (0%) | 4 (5.8%) |
 Benign stricture | 0 (0%) | 0 (0%) | 2 (2.9%) | 1 (1.4%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 3 (4.3%) |
 Inflammatory | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 3 (4.3%) | 0 (0%) | 0 (0%) | 3 (4.3%) |
Congenital | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 1 (1.4%) | 1 (1.4%) |
 -ve | 0 (0%) | 1 (1.4%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 1 (1.4%) |
 Total | 0 (0%) | 17 (24.6%) | 5 (7.2%) | 36 (52.2%) | 4 (5.8%) | 3 (4.3%) | 3 (4.3%) | 1 (1.4%) | 69 (100%) |