Retrospective Study
Copyright ©The Author(s) 2024.
World J Clin Cases. Feb 16, 2024; 12(5): 913-921
Published online Feb 16, 2024. doi: 10.12998/wjcc.v12.i5.913
Table 1 Baseline characteristics between intrahepatic duct stone patient with or without cholangiocarcinoma
Variable
IHD stone with CCC, n = 36
IHD stone without CCC, n = 361
P value
Male sex12 (33.3)143 (39.6)0.4613
Age60.75 ± 10.2061.31 ± 10.580.6872
BMI23.27 ± 3.2322.93 ± 3.270.5511
Hepatitis
    None31 (86.1)342 (94.7)0.0494
    HBV4 (11.1)11 (3.0)
    HCV1 (2.8)8 (2.2)
DM5 (13.9)53 (14.7)0.8933
HT5 (13.9)66 (18.4)0.5033
CA19-9, minimum176.00 ± 463.4711.96 ± 15.650.0102
CA19-9 > UNL7 (19.4)7 (1.9)< 0.0014
CEA, minimum8.23 ± 29.451.96 ± 1.320.3322
CEA > UNL5 (13.9)7 (1.9)0.0024
Location
    Lt & both31 (86.1)253 (70.1)0.0423
    Rt5 (13.9)108 (29.9)
Multiple stone30 (83.3)254 (70.4)0.1003
Stone size > duct diameter19 (52.8)173 (47.9)0.5783
Focal atrophy19 (52.8)97 (26.9)0.0013
Duct stricture17 (47.2)90 (24.9)0.0043
IHD stone removal12 (33.3)228 (63.2)< 0.0013
    Complete removal & no recurrence8 (22.2)165 (45.7)0.0073
    Complete removal & recurrence2 (5.6)29 (8.0)10.0004
    Incomplete removal2 (5.6)34 (9.4)0.7594
Removal method
    Non-surgery, PTCS, ERCP6 (50.0)128 (56.1)0.6763
    Surgery6 (50.0)100 (43.9)
Medication
    Aspirin0 (0.0)14 (3.9)0.6264
    UDCA28 (77.8)265 (73.4)0.5703
    Metformin3 (8.3)19 (5.3)0.4374
    Statin2 (5.6)23 (6.4)1.0004
Recurrent cholangitis20 (55.6)185 (51.2)0.6223
F/U period, mean ± SD96.33 ± 59.0683.93 ± 60.380.1642
Table 2 Risk factor analysis for cholangiocarcinoma
VariableUnivariate analysis
Multivariate analysis
OR
95%CI
P value
OR
95%CI
P value1

Male sex0.760.37-1.570.463
Age0.990.96-1.030.761
BMI1.030.93-1.150.550
Hepatitis
    NoneReference
    HBV4.011.21-13.350.023
    HCV1.380.17-11.390.765
DM0.930.35-2.510.893
HT0.720.27-1.910.505
CA19-9, minimum1.011.00-1.020.013
CA19-9 > UNL12.214.01-37.190.00015.853.79-66.310.000
CEA, minimum1.281.03-1.590.026
CEA > UNL8.162.44-27.210.0018.121.87-35.350.005
Location, Lt and both2.651.00-6.990.0494.371.37-13.940.013
Multiple stone2.110.85-5.210.107
Stone size > duct diameter1.210.61-2.410.579
Focal atrophy3.041.52-6.090.0022.591.13-5.940.025
Duct stricture2.691.34-5.410.0052.240.96-5.230.061
IHD stone removal
    Complete removal and no recurrence0.340.15-0.760.0090.210.09-0.500.000
    Complete removal and recurrence0.670.15-2.950.600
    Incomplete removal0.570.13-2.460.447
Removal method
    NoneReference
    Non-surgery, PTCS, ERCP0.260.10-0.660.0040.330.07-1.450.141
    Surgery0.330.13-0.840.0210.370.08-1.700.200
Medication
    Aspirin0.000.00-0.000.999
    UDCA1.270.56-2.880.570
    Metformin1.640.46-5.820.447
    Statin0.860.20-3.830.848
Table 3 Comparison of results according to stone removal method, n = 240
Removal method
Surgery, n = 106
Non-surgery, n = 134
P value
Cholangiocarcinoma6 (5.7)6 (4.5)0.676
Remnant stone9 (8.5)27 (20.1)0.012
Recurrent stone12 (11.3)52 (38.8)< 0.001
Recurrent cholangitis37 (34.9)96 (71.6)< 0.001