RT Book, Section A1 Oberhelman, Richard A. A2 Rudolph, Colin D. A2 Rudolph, Abraham M. A2 Lister, George E. A2 First, Lewis R. A2 Gershon, Anne A. SR Print(0) ID 7031214 T1 Chapter 334. Anasakiasis and Angiostrongyliasis T2 Rudolph's Pediatrics, 22e YR 2011 FD 2011 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-149723-7 LK accesspediatrics.mhmedical.com/content.aspx?aid=7031214 RD 2024/10/05 AB Anisakiasis is caused by several related larval nematodes, especially those of the genera Anisakis, Phoconema, and Contracaecum, that are ingested when eating raw or insufficiently cooked marine fish, as in sushi or sashimi.1 Adult nematodes are found mainly in the gastrointestinal tract of cetaceans (dolphins, porpoises, and whales), and nematode eggs shed in the feces of these definitive hosts are ingested by small crustaceans, where they develop into third-stage larvae.2 Fish and cephalopod mollusks become infected by eating crustaceans infected by larval forms, which invade the tissues of the fish. Definitive hosts and humans usually become infected by eating fish containing these larval stages. Most cases are associated with mackerel, but other fish, such as cod, whiting, haddock, herring, and salmon, may be infected.