1. Acute pancreatitis caused by hydatid membranes in the biliary tract: treatment with endoscopic sphincterotomy 
Federico Sáez-Royuela, MD, Luis Yuguero, MD, Alfredo López-Morante, MD, Juan C. Pérez-Álvarez, MD, José L. Martín-Lorente, MD, Carlos Ojeda, MD 
Gastrointestinal Endoscopy 
Volume 49, Issue 6, Pages (June 1999)
DOI: /S (99)
Copyright © 1999 American Society for Gastrointestinal Endoscopy Terms and Conditions

2. Fig. 1
ERCP in case 2. Cholangiography shows dilated biliary tract containing multiple filling defects with irregular morphology. Hepatic cyst that communicates with the biliary tract is present (arrow).
Gastrointestinal Endoscopy  , DOI: ( /S (99) )
Copyright © 1999 American Society for Gastrointestinal Endoscopy Terms and Conditions

3. Fig. 2
Duodenoscopic views in case 2. A, Extraction of multiple hydatid membranes through endoscopic sphincterotomy opening. B, Yellowish hydatid membranes protruding from papilla after sphincterotomy.
Gastrointestinal Endoscopy  , DOI: ( /S (99) )
Copyright © 1999 American Society for Gastrointestinal Endoscopy Terms and Conditions

4. Fig. 3
Structureless basophilic membranes are seen with parallel striations that correspond to material of laminated Echinococcus layer. (Ziehl-Neelsen stain, original magnification × 200.)
Gastrointestinal Endoscopy  , DOI: ( /S (99) )
Copyright © 1999 American Society for Gastrointestinal Endoscopy Terms and Conditions