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Radiological investigations
| Preoperative radiological investigation, N = 58 | |
|---|---|
| USS only | 34 (58.6%) |
| Other imaging tests (in 24 patients) | Before referral | After referral |
|---|---|---|
| CT | 8 | 3 |
| MRCP | 9 | 3 |
| ERCP | 7 | 3 |
| Operative or postoperative investigations, N = 58 | |
|---|---|
| Operative cholangiography | 53 (91.4%) |
| Operative choledochoscopy | 51 (87.9%) |
| Postoperative cholangiography | 33 (56.9%) |
