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Current indications for endoscopic ultrasonography-guided biliary drainage after failure of endoscopic retrograde cholangiopancreatography in referral centers
| Accessible papilla |
| Ampullary pathology |
| Periampullary diverticulum |
| Ampullary neoplastic infiltration |
| Non-accessible papilla |
| Peptic GI stenosis |
| Malignant GI strictures |
| Gastrointestinal bariatric bypass |
| Roux-en Y gastric by-pass |
| Billroth II gastroenterostomy |
GI: Gastrointestinal.
