This specimen was resected from a child with intestinal obstruction. What is the most likely diagnosis?

Answer A. AscariasisA mass of Ascaris lumbricoides in the terminal ileum was found to be causing intestinal obstruction in this child from Kenya. The child recovered uneventfully after surgery. In the absence of obstruction, peritonitis, or bowel strangulation, nonsurgical management can include albendazole, ivermectin, or mebendazole.