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Cestodes > echinocccus > Flashcards

echinocccus Flashcards

1
Q

what are the four species of echinococcus

A

e. granulosus
e. multiocularis
e. vogeli
e. oligathrus

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2
Q

what are the hosts of e. granulosus

A

larval cyst

= sheep, goats, swine cattle, horse, camel and humans

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3
Q

what are the hosts of multiocularis

A

rare in humans
foxes
lesser extent cats and dogs, coyotes wolves.
larval cyst = rodents

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4
Q

what are the hosts of e. vogeli

A

adult = bush dog

rodents int host.

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5
Q

what are the hosts of e. oligathrus

A

adult wild cats - rodents int. host

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6
Q

what do ecchinococcus cause

A

hydatid cysts

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7
Q

what do each echinoccocus cause

A

E. granulosus = cystic echinococcosis
E. multiocular = alveolar echinococcosis
E. vogeli = polycutic echinococcosis

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8
Q

where in cystic echinococcus found

A

wide dist - meditarianian, middle east, americas, iceland, australia europe

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9
Q

where is alveolar echinoccous found

A

northern hemisphere

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10
Q

where is polycistic echinoccocus found

A

south america

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11
Q

what are the symptoms of cystic echinococcus

A 
bilary obstruction - liver cirrohisis 
bronchial obstruction 
renal outflow obstruction 
increase intracranial pressure
hydrocephalus due to cerebrospinal fluid outflow obstruction
cyst rupture - anaphylaxssi
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12
Q

what are the symptoms of alveolar echinoccocus

A

infection behaves like slow growing malignant tumour

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13
Q

how is cystic echinococcus diagnosed

A 
imaging of hydatid cyst is main method
ELISA
indirect haemaglutination 
CT scan
ultrasound 
radiograph
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14
Q

how is alveolar echinococcus diagnosed

A

difficult due to discrete cysts protoscolices
ultrasound preffered, ct scans
confirm via elisa
biopsy

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15
Q

what is the treatment for cystic echinococcus

A

surgery 90% effective can be risky dependent on location and age of cyst - may need chemo - albendazole preffered

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16
Q

what is the treatment for alveolar echinococcus

A

mortality 60-70% with treeatment
w/o = lethal.
surgery to remove cyst chemo alone not guaranteed.

17
Q

how is cystic echinococcus controlled

A 
health eduation 
water sanitation
restrict home slaughter of sheep 
deworm and vaccinate dogs 
vaccinate live stock
18
Q

how is alveolar echinococcus controlled

A 
health education 
water sanitation 
prevent dogs eating rodents
avoid contacts with stray dogs or rodents
deworm - partic foxes
19
Q

what are the symptoms of e. oligathrus and e. vogeli infections

A

similar to alveoli form = aggressive and virulent

Cestodes (3 decks)

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