Role of multi-detector computed tomography for biliary complications after liver transplantation

Table 1 Multi-detector computed tomography and final diagnosis in patients with orthotopic liver transplantation with clinical or biochemical evidence of biliary complications

Diagnosis	MDCT (83 patients)	Final (83 patients)
Normal	21	7
Anastomotic strictures	34	32
Nonanastomotic strictures	18	21
Anastomotic bile leakage	5	5
Biliary stones	4	4
Other complications
Rejection of the transplanted liver	0	6
Recurrent viral hepatitis	0	4
Transplantation-related lymphoproliferation	0	1
Postoperative hilar and portal fluid	0	2
Pancreatitis	1	1

MDCT: Multi-detector computed tomography.

Table 2 Value of multi-detector computed tomography in detecting biliary complications for orthotopic liver transplantation recipients

Biliary complications	True-positive(n)	True-negative(n)	False-positive(n)	False-negative(n)	Sensitivity	Specificity	Accuracy	Positive predictive value	Negative predictive value
Biliary strictures	48	26	4	5	90.6%	86.7%	89.2%	92.3%	83.9%
Biliary stones	9	74	0	0	100%	100%	100%	100%	100%
Anastomotic bile leakage	5	78	0	0	100%	100%	100%	100%	100%
Biloma	6	77	0	0	100%	100%	100%	100%	100%

The reference standards used for the final diagnosis are given in the text.