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Test 2 Parasites - Part 2
Cestodes
41
Biology
Undergraduate 2
02/24/2013

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Term
broad fish tape worm in humans
Definition
Diphyllobothrium latum
Term
disease caused by Diphyllobothrium latum
Definition
diphyllobothritis
Term
definitive hosts of Diphyllobothrium latum
Definition
bears, humans, fish-eating animals
Term
location of Diphyllobothrium latum adults in the body
Definition
small intestine
Term
route of infection for Diphyllobothrium latum
Definition
ingesting an infected fish
Term
types of fish that can transmit Diphyllobothrium latum
Definition
-salmon
-pike
-white fish
-trout
Term
locations of cases of diphyllobothritis in US
Definition
New England, New York
Term
clinical signs of diphyllobothritis
Definition
-mild diarrhea
-abdominal pain
-pernicious anemia (B12 deficiency)
Term
treatment of diphyllobothritis
Definition
praziquantel
Term
diagnosisof diphyllobothritis
Definition
eggs in feces
Term
the beef tapeworm
Definition
Taenia saginatus
Term
disease caused by Taenia saginatus
Definition
taeniosis
Term
definitive host of Taenia saginatus
Definition
humans
Term
location of adult Taenia saginatus worms in the body
Definition
small intestine
Term
intermediate host of Taenia saginatus
Definition
cattle
Term
stage of Taenia saginatus humans must ingest to become infected
Definition
cysticercus larva
Term
clinical signs of taeniosis
Definition
-most asymptomatic
-weight loss can occur
Term
pork tape worm
Definition
Taenia solium
Term
geographical location of Taenia solium
Definition
worldwide
Term
what makes Taenia solium so dangerous?
Definition
humans can be both the definitive and intermediate host
Term
ways to become infected with Taenia solium
Definition
-ingest undercooked pork contaminated with cysticercus larvae
-eggs in human feces ingested by another human
-eggs in small intestine pushed into the stomach via reverse peristalsis
Term
condition where Taenia solium cysticercus larvae have entered the brain
Definition
neurocysticerosis
Term
condition of presence of Taenia solium larvae in body
Definition
cystericercosis
Term
clinical signs of cysticercosis
Definition
-subcutaneous lump
-damage in heart dependent on larvae burden
-ocular cysticercosis
Term
clinical sigs of neurocystercercosis
Definition
-dizzy spells
-intermittent head aches
-progression to fainting spells
-progression to epileptic-like seizures
Term
diagnosis of Taenia solium infection
Definition
-look for striated eggs in fecal sample
-the adult uterus is branched 8-12 times
Term
treatment for Taenia solium adult infection
Definition
praziquantel
Term
cystercercosis treatment
Definition
albendazole
Term
condition caused by Echinococcus granulosis
Definition
cystic hydatidosis
Term
geographical location of Echinococcus granulosis
Definition
worldwide
Term
intermediate hosts of Echinococcus granulosis
Definition
humans and sheep
Term
definitive hosts of Echinococcus granulosis
Definition
dogs and canids
Term
world's smallest tapeworm
Definition
Echinococcus granulosis
Term
largest known tapeworm larva
Definition
E. granulosis - hydatid cyst
Term
route of transmission of Echinococcus granulosis
Definition
human or sheep ingest dog feces containing eggs
Term
condition caused by Echinococcus granulosis
Definition
cystic hydatidosis
Term
diagnosis of cystic hydatidosis
Definition
-imaging (MRI or x-ray) looking for hydatid cysts in live, lungs, and bone marrow
-ELISA usable, but the human body doesn't really make antibodies against hydatid cysts
Term
treatment of cystic hydatidosis
Definition
albendazole for 2 weeks, followed by PAIR
Term
PAIR treatment
Definition
-percutaneous aspiration
-injection
-reaspiration
Term
clinical signs of cystic hydatidosis
Definition
mechanical pressur at hydatid cyst site
Term
secondary echinococcosis
Definition
condition in which hydatid cyst leaks, creating a second hydatid cyst
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