Taenia saginata: Difference between revisions
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* humans are the only known definitive host, cattle are intermediate hosts | * humans are the only known definitive host, cattle are intermediate hosts | ||
==Transmission== | ===Transmission=== | ||
* transmitted by ingesting undercooked beef containing the tapeworm larvae | * transmitted by ingesting undercooked beef containing the tapeworm larvae | ||
* larvae mature in the human intestines and the mature tapeworm attaches to the intestinal walls to ingest nutrients from the host | * larvae mature in the human intestines and the mature tapeworm attaches to the intestinal walls to ingest nutrients from the host | ||
* mature tapeworms release gravid proglottids in the stool which release eggs into the stool, which can remain active in sewage for several weeks | * mature tapeworms release gravid proglottids in the stool which release eggs into the stool, which can remain active in sewage for several weeks | ||
== | ==Clinical Features== | ||
* symptoms include diarrhea, constipation, flatulence, hunger pain, weight loss, and appendicitis, as well as discomfort of the proglottids crawling out of the anus | * symptoms include diarrhea, constipation, flatulence, hunger pain, weight loss, and appendicitis, as well as discomfort of the proglottids crawling out of the anus | ||
* symptoms are more severe in those with immature or compromised immune systems | * symptoms are more severe in those with immature or compromised immune systems | ||
==Differential Diagnosis== | |||
{{Helminth Types}} | |||
==Diagnosis== | |||
==Treatment== | ==Treatment== | ||
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* niclosamide outside the U.S. (single dose of 2 gm or 50 mg/kg for pediatrics) (2) | * niclosamide outside the U.S. (single dose of 2 gm or 50 mg/kg for pediatrics) (2) | ||
==Disposition== | |||
==See Also== | ==See Also== | ||
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==References== | ==References== | ||
#Stanford University (n.d.). Taenia saginata. Retrieved from http://web.stanford.edu/group/parasites/ParaSites2001/taeniasis/saginata3.html | |||
#Pearson RD. Merck Manual. ''Taenia Saginata infection'' Retrieved from http://www.merckmanuals.com/professional/infectious-diseases/cestodes-(tapeworms)/taenia-saginata-(beef-tapeworm)-infection | |||
[[Category:ID]] | [[Category:ID]] |
Revision as of 14:03, 21 January 2016
Background
- also known as the beef tapeworm
- humans are the only known definitive host, cattle are intermediate hosts
Transmission
- transmitted by ingesting undercooked beef containing the tapeworm larvae
- larvae mature in the human intestines and the mature tapeworm attaches to the intestinal walls to ingest nutrients from the host
- mature tapeworms release gravid proglottids in the stool which release eggs into the stool, which can remain active in sewage for several weeks
Clinical Features
- symptoms include diarrhea, constipation, flatulence, hunger pain, weight loss, and appendicitis, as well as discomfort of the proglottids crawling out of the anus
- symptoms are more severe in those with immature or compromised immune systems
Differential Diagnosis
Helminth infections
Cestodes (Tapeworms)
- Taenia saginata
- Taenia solium (Cysticercosis)
- Diphyllobothrium latum
- Hymenolepis nana
- Echinococcus granulosus
Trematodes (Flukes)
- Fasciola hepatica
- Fasciolopsis buski
- Opistorchis viverrini
- Schistosoma spp
- Chlonorchis sinensis
- Paragonimus spp.
Nematodes (Roundworms)
- Ascaris lumbricoides
- Enterobius vermicularis (Pinworm)
- Filarial worms
- Hookworm
- Necator americanus
- Ancylostoma duodenale
- Cutaneous larva migrans (Ancylostoma braziliense)
- Dracunculiasis
- Strongyloides stercoralis
- Trichuris trichiura (Whipworm)
- Anisakis
- Toxocara spp.
- Trichinosis
Diagnosis
Treatment
- praziquantel, single dose of 5-10 mg/kg (2)
- niclosamide outside the U.S. (single dose of 2 gm or 50 mg/kg for pediatrics) (2)
Disposition
See Also
References
- Stanford University (n.d.). Taenia saginata. Retrieved from http://web.stanford.edu/group/parasites/ParaSites2001/taeniasis/saginata3.html
- Pearson RD. Merck Manual. Taenia Saginata infection Retrieved from http://www.merckmanuals.com/professional/infectious-diseases/cestodes-(tapeworms)/taenia-saginata-(beef-tapeworm)-infection