Taenia saginata: Difference between revisions
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==Background== | ==Background== | ||
* | *Also known as the beef tapeworm | ||
* | *Humans are the only known definitive host, cattle are intermediate hosts | ||
===Transmission=== | ===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== | ==Clinical Features== | ||
*Often asymptommatic | |||
''Symptoms are more severe in those with immature or compromised immune systems'' | |||
*[[Diarrhea]] | *[[Diarrhea]] | ||
*[[Constipation]] | *[[Constipation]] | ||
| Line 15: | Line 18: | ||
*[[Weight loss]] | *[[Weight loss]] | ||
*Anal discomfort | *Anal discomfort | ||
==Differential Diagnosis== | ==Differential Diagnosis== | ||
| Line 21: | Line 23: | ||
==Evaluation== | ==Evaluation== | ||
*Stool studies to detect ova and proglottids | |||
*CBC may show eosinophilia | |||
*CT/MRI/LP if concern for neurocysticercosis | |||
==Management== | ==Management== | ||
*[[Praziquantel]] | *[[Praziquantel]] - single dose of 5-10mg/kg | ||
* | *Albendazole | ||
*May give both albendazole and praziquantel for severe infections | |||
==Disposition== | ==Disposition== | ||
==See Also== | ==See Also== | ||
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==References== | ==References== | ||
<references/> | |||
[[Category:ID]] | [[Category:ID]] | ||
Revision as of 02:57, 25 December 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
- Often asymptommatic
Symptoms are more severe in those with immature or compromised immune systems
- Diarrhea
- Constipation
- Flatulence
- Hunger pain
- Weight loss
- Anal discomfort
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
Evaluation
- Stool studies to detect ova and proglottids
- CBC may show eosinophilia
- CT/MRI/LP if concern for neurocysticercosis
Management
- Praziquantel - single dose of 5-10mg/kg
- Albendazole
- May give both albendazole and praziquantel for severe infections