Table 3.
Supplementary modalities for the diagnosis and treatment.
| Operation | Overall, n (%) | Type I, n (%) | Type II, n (%) | Type III, n (%) | Type IV, n (%) | Type V, n (%) |
|---|---|---|---|---|---|---|
| ERCP | 13 (18.8) | 10 (76.9) | 0 | 0 | 3 (23.1) | 0 |
| PTCD | 4 (5.8) | 3 (75.0) | 0 | 0 | 1 (25.0) | 0 |
| MRCP | 47 (68.1) | 33 (70.2) | 1 (2.1) | 1 (2.1) | 12 (25.5) | 0 |
| ENBD | 2 (2.9) | 2 (100) | 0 | 0 | 0 (0) | 0 |
| Overall | 69 (100) | 47 (68.1) | 1 (1.4) | 1 (1.4) | 19 (27.5) | 1 (1.4) |
MRCP: magnetic resonance cholangiopancreatography, ERCP: endoscopic retrograde cholangiopancreatography, PTCD: percutaneous transhepatic cholangial drainage, and ENBD: endoscopic nasobiliary drainage.