Cestodes: Hydatid Disease

Question 1

What is Hydatid Disease?

Answer 1

a disease caused by ingestion of tapeworm eggs

Question 2

What is the causative organism for Hydatid Disease?

Answer 2

echinococcus granulosus

Question 3

What are the symptoms/syndrome for Hydatid Disease in animals?
(2)

Answer 3

1. subclinical

2. dogs and other canids are the definitive host

Question 4

What is the mortality rate for Hydatid Disease?

Answer 4

50-75%

Question 5

Where does Hydatid Disease occur?(3)

Answer 5

1. rural areas of northern hemisphere
2. sheep-raising areas of the SW U.S.
3. more common in developing countries

Question 6

How is Hydatid Disease diagnosed?

2

Answer 6

1. fecal flotation

2. recovery of tapeworm after administration of taeniafuge

Question 7

How is Hydatid Disease treated?

2

Answer 7

1. antiparasitics

2. surgical resection of cyst

Question 8

How is Hydatid Disease controlled and prevented?

4

Answer 8

1. regular deworming of dogs for tapeworms
2. prevent dogs from eating viscera of intermediate hosts
3. wash food potentially contaminated with dog feces
4. practice good personal hygiene