Alive Strongyloides stercoralis in biliary fluid in patient: A case report

Figure 1 Endoscopy revealed diffuse erosions in the duodenum.

Figure 2 Strong affinity for basophilic staining (arrow) in the glandular cavity indicating the presence of eggs and immature forms of Strongyloides stercoralis.

Figure 3 Computed tomography scan showing a gallstone obstructing the lower portion of the common bile duct and a gallbladder stone. A and B: Gallstone (arrow) in the common bile duct; C: Gallbladder stone (arrow).

Figure 4 Two openings were detected in the duodenal papilla, revealing the distinct connection of the pancreatic duct and biliary duct to the intestinal wall. A: Duodenal papilla; B: Black stone dragged into the duodenal cavity; C: Gallstones (arrow) in the common bile duct during endoscopic retrograde cholangiopancreatography; D: Bile fluid extracted during endoscopic retrograde cholangiopancreatography; E: Endoscopic nasobiliary drainage.

Figure 5 Alive Strongyloides stercoralis rhabditiform larvae discovered in bile fluid, as depicted under a microscope.