Non-invasive assessment of choledocholithiasis in patients with gallstones and abnormal liver function

Table 2 Radiological findings in patients with abnormal liver function tests n (%)

Findings	Patient	Stones	Mean T.Bili	Mean Al-P
		removed	(mg/dL)	(ratio to
		by ERCP		normal)
Total	193	109	3.7	1.7
Abnormal CBD on USG (percent of total)	91 (47.2)	82 (90)	4.2	2
CBD dilatation	28 (30.8)	24 (85.7)	4.5	2
CBD stones	23 (25.3)	20 (87)	4.3	2.2
Both	40 (43.9)	38 (90)	4	1.8
Normal CBD on USG,	102 (52.8)	27 (26.5)	3.3	1.4
MRCP findings (percent of total)
Normal MRCP	70 (68.6)	2 (2.9)	3.2	1.3
Stones on MRCP	32 (31.4)	25 (78.2)	3.4	1.7

MRCP: Magnetic resonance cholangiopancreatography; Al-P: Alkaline phosphatase; T.Bili: Total bilirubin; USG: Ultrasonography; CBD: Common bile duct; LFT: Liver function test; ERCP: Endoscopic retrograde cholangiopancreatography.