Parasitic infections, caused by intestinal helminths (worm-like parasites) and protozoan parasites cause significant morbidity and mortality worldwide particularly in low- and middle-income cou...
Consider patient’s exposure risk (international travel history or residence in areas where parasites are endemic), mechanism(s) of transmission, and immune status.
In the United States...
Treatment is based on the type of intestinal parasite.
Mebendazole, albendazole, and piperazine are first-line agents for helminthiasis
For schistosomiasis and tapeworms the treatment of choic...
For most infections, testing for clearance is not indicated.
Consequences of intestinal parasitic infections include lactose intolerance, irritab...
B82.9 Intestinal parasitism, unspecified
A07.9 Protozoal intestinal disease, unspecified
B82.0 Intestinal helminthiasis, unspecified
B80 Enterobiasis
B71.9 Cestode infection, unspecified
B66.9 F...
Parasites are relatively common in patients presenting with gastrointestinal symptoms and a pertinent history of travel, recent immigration, daycare, chronic diarrhea, or visible prese...
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<bold>FIGURE 54-5</bold> <bold>Life cycle of intestinal tapeworms <i>Taenia solium</i> (pork tapeworm) and <i>Taenia saginata</i> (beef tapeworm).</bold> Humans acquire intestinal tapeworm infections by ingesting the tissue stage of the parasite (cysticercus) in inadequately cooked meat (1). The parasite then hatches in the intestine (2) and matures to an intestinal tapeworm (3). The pork tapeworm (outside diagram) has a crown of spines on its head and ...
<bold>FIGURE 54-5</bold> <bold>Life cycle of intestinal tapeworms <i>Taenia solium</i> (pork tapeworm) and ...
Figure 288.3. Gravid proglottid segments from <italic>T. saginata</bold> (<bold>A</bold>) and <italic>T. solium</bold> (<bold>B</bold>). Cleared in glycerol and mounted on a slide. <italic>Ub</bold>, Uterine branches. (<bold>A</bold> and <bold>B</bold> courtesy of Sylvia Paz Diaz Camacho.) <bold>C:</bold> Scanning electron micrograph of <italic>T. solium</bold> proglottid, showing genital atrium <italic>(a)</bold> and eggs <italic>(e)</bold> on surface (<italic>arrows</bold>).
Figure 288.3. Gravid proglottid segments from <italic>T. saginata</bold> (<bold>A</bold>) and <italic>T. soli...