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22 Cards in this Set
- Front
- Back
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Beef Tapeworm organism…
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Taenia Saginata
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Pork Tapeworm organism…
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Taenia Solium
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Where is Taenia solium more and less prevalent?
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More prevalent in poor countries; less prevalent in muslim countries
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Although both are found worldwide, why might Taenia saginata be a little less common in the US?
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US cattle are free of the parasite
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How do humans acquire Taeniasis?
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Eating undercooked/raw infected meat of a cow or pig.
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How do pigs and cows become infected?
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By eating eggs from fecal sources. They embryos enter the animal's circulation by boring through the gut wall, and encyst the muscular tissue (this takes about 2-3 months)
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Where does the cysticercus become a tapeworm?
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inside the gut of a human after it attaches
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How many eggs per day, does the tapeworm generate?
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average of 50,000
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How long does the tapeworm live?
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can live about 25 years
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What does the symptom frequency depend upon?
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The worm burden
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What are the vague GI complaints?
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Abdominal pain, anorexia, hunger, weight loss, malaise, epigastric pain, N&V
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Of the two organisms, which is less frequently symptomatic?
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T solium
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What is the most striking feature (main symptom) of the infection?
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The passing (active and passive) of proglottids
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What two infections can migrating proglottids cause?
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appendicitis and cholangitis
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What does the PE show?
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usually unremarkable, abdominal tenderness, weight loss, subcutaneous nodules, neurological abnormalities (with cystircercosis)
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Which symptom is more pronounced in adults?
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subcutaneous nodules
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Which symptom is more pronounced in children?
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Weight loss
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How can you detect Taeniasis in it's early invasive stages?
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ELISA (antibodies will be present)
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What wil the CBC show?
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Eosinophilian in 45% of patients
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What other two methods besides ELISA and CBC are useful in diagnosing Taenia?
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Stool samples (eggs; proglottids), and Cellophane tape swab
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What is the treatment for Taeniasis?
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Praziquantel (Biltricide) or Surgery (acute to relieve obstruction in the abdomen, appendicits, bile duct, and pancreatic duct)
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Catch phrases in the case study…
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1. vague abdominal pain, weight loss, malaise, 2. recently returned from Africa where they ate in a rural environment with the locals, 3. Postive stool for O & P
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