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Sensitivity and specificity of various diagnostic approaches to a pancreatic mass lesion
| Modality | Sensitivity | Specificity |
| CA 19-9 | 70%-92% | 68%-92% |
| CT | 77%-97% | 56%-89% |
| Transabdominal ultrasound | 89% | 99% |
| Percutaneous FNA | 62%-90% | 98%-100% |
| ERCP | 49%-66% | 96% |
| EUS-FNA | 75%-98% | 71%-100% |
| EUS-FNB | 85%-95% | 86%-100% |
EUS-FNA: Endoscopic ultrasound-guided fine needle aspiration; EUS-FNB: Endoscopic ultrasound-guided fine needle biopsy; ERCP: Endoscopic retrograde cholangiopancreatography.
