Table 7 Agreement between MDCT cholangiography and gold standard method in the detection of malignant lesion type
From: Validity of MDCT cholangiography in differentiating benign and malignant biliary obstruction
Cause of obstruction | Standard method | Total | ||||
|---|---|---|---|---|---|---|
No malignant stricture | Cholangiocarcinoma | Periampullary carcinoma | Pancreatic carcinoma | Other malignancies | ||
MDCT cholangiography | ||||||
 No malignant stricture | 31 (44.9%) | 2 (2.9%) | 0 (0%) | 0 (0%) | 0 (0%) | 33 (47.8%) |
 Cholangiocarcinoma | 1 (1.4%) | 13 (18.8%) | 0 (0%) | 0 (0%) | 0 (0%) | 14 (20.3%) |
 Periampullary carcinoma | 0 (0%) | 0 (0%) | 3 (4.3%) | 0 (0%) | 0 (0%) | 3 (4.3%) |
 Pancreatic carcinoma | 0 (0%) | 0 (0%) | 0 (0%) | 14 (20.3%) | 0 (0%) | 14 (20.3%) |
 Other malignancies | 1 (1.4%) | 0 (0%) | 0 (0%) | 0 (0%) | 4 (5.8%) | 5 (7.2%) |
 Total | 33 (47.8%) | 15 (21.7%) | 3 (4.3%) | 14 (20.3%) | 4 (5.8%) | 69 (100%) |