Gregg 12-21-07 Flukes And Tapeworms

Front 1

Know the following information for each parasitic species:
Any unique characteristics which separates it from the others
Associate the name of the disease with the genus and species of parasite
Associate diagnostic and infectious stages of each parasite with the disease name and organism that causes the condition (including images of the parasites)
Use special structural features to aid your association of organism and disease (operculum for example) and note any special diagnostic procedures for parasite identification
Associate the method of infection with each parasite name and disease
Be able to define terms such as trophozoite and cyst.

Back 1

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Front 2

Cestoda – Hymenolepis nana
(_____ Tapeworm)

Back 2

Cestoda – Hymenolepis nana
(Dwarf Tapeworm)

Front 3

How do you diagnose (Cestoda) – Hymenolepis nana
(Dwarf Tapeworm)

Back 3

Recovery of eggs in feces

Front 4

What is therapy for Hymenolepis nana
(Dwarf Tapeworm)

Back 4

Praziquantel and Niclosamide

Front 5

Cestoda – Taenia saginata (____ Tapeworm) & Taenia solium (____ Tapeworm)

Back 5

Cestoda – Taenia saginata (Beef Tapeworm) & Taenia solium (Pork Tapeworm)

Front 6

Taenia saginata (____ Tapeworm) & Taenia solium (____ Tapeworm)

Human infection results from eating beef or pork that have o__________ in cysticerci in their muscles

Back 6

Taenia saginata (____ Tapeworm) & Taenia solium (____ Tapeworm)

Human infection results from eating beef or pork that have oncospheres in cysticerci in their muscles

Front 7

What is the official name for the head of Taenia saginata?

Back 7

scolex

Front 8

Cestoda – Taenia solium (Cysticercosis)

Cysticercosis develops if cysticerci are eaten and develop in subQ tissues, brain and/or eye.

Back 8

Cestoda – Taenia solium (Cysticercosis)

Cysticercosis develops if cysticerci are eaten and develop in subQ tissues, _____ and/or ___.

Front 9

Humans may pass Taenia saginata (Beef Tapeworm) & Taenia solium (Pork Tapeworm)
eggs or gravid p__________ in their feces

Back 9

Humans may pass Taenia saginata (Beef Tapeworm) & Taenia solium (Pork Tapeworm)
eggs or gravid proglottids in their feces

Front 10

How do you diagnose?

Cestoda – Taenia saginata (Beef Tapeworm) & Taenia solium (Pork Tapeworm)

Back 10

Recovery of eggs or gravid proglottid in feces. ELISA used for diagnosis of cysticercosis.
Female can lay up to 60,000-600,000 eggs per day!

Front 11

therapy for beef/pork tapeworm

Back 11

Adult tapeworm: Niclosamide
- Cysticercosis: Praziquantel, anticonvulsants for seizures and surgery.

Front 12

T. saginata found in ____________ US while T. solium is rare in the US.

Back 12

T. saginata found in southwestern US while T. solium is rare in the US.

Front 13

Hymenolepis nana
(Dwarf Tapeworm)


Most common tapeworm infection in the US; most prevalent in __________.

Back 13

Hymenolepis nana
(Dwarf Tapeworm)


Most common tapeworm infection in the US; most prevalent in Southeast.

Front 14

Cestoda – Diphyllobothrium latum
(_________ Tapeworm)

Back 14

Cestoda – Diphyllobothrium latum
(Broadfish Tapeworm)

Front 15

Cestoda – Diphyllobothrium latum
(Broadfish Tapeworm)


the eggs become coracidia and are eaten by crustaceans. The coracidia ___cercoid larvae become _____cercoid larvae after crustacean is eaten by a fish (freshwater). Then, a human eats the fish

Back 15

Cestoda – Diphyllobothrium latum
(Broadfish Tapeworm)


the eggs become coracidia and are eaten by crustaceans. The coracidia Procercoid larvae become plerocercoid larvae after crustacean is eaten by a fish (freshwater). Then, a human eats the fish

Front 16

How do you diagnose Diphyllobothrium latum
(Broadfish Tapeworm)
?

Back 16

Recovery of eggs in feces.
Adult worms can grow up to 20 m (65 ft)!

Front 17

Diphyllobothrium latum
(Broadfish Tapeworm)

What vitamin does it eat?

Back 17

B12

Front 18

therapy for Diphyllobothrium latum
(Broadfish Tapeworm)

Back 18

Niclosamide or praziquantel

Front 19

Where geographically is Diphyllobothrium latum
(Broadfish Tapeworm)
found?

Back 19

Temperate regions where raw freshwater fish is eaten including the US, Chile, Argentina,
Central Africa and parts of Asia.
- Infections seen in the Great Lakes region and Alaska in the US.

Front 20

Cestoda – Echinococcus granulosus
(_______ Disease)

Back 20

Cestoda – Echinococcus granulosus
(Hydatid Disease)

Front 21

Echinococcus granulosus
(Hydatid Disease)


The egg from animal feces becomes an onco______ and penetrates intestinal wall. Then it becomes a _______ cyst and lives in the liver and lungs. It becomes a protoscolex which attaches to the intestine. Its eggs are passed in the feces to be eaten by humans.

Back 21

Echinococcus granulosus
(Hydatid Disease)


The egg from animal feces becomes an oncosphere adn penetrates intestinal wall. Then it becomes a hydatid cyst and lives in the liver and lungs. It becomes a protoscolex which attaches to the intestine. Its eggs are passed in the feces to be eaten by humans.

Front 22

Echinococcus granulosus
(Hydatid Disease) how do you diagnose?

Back 22

Recovery of hydatid cysts in tissues (biopsy).
Serology – ELISA for anti-Echinococcus Ab;
radiographic exam for calcified cysts

Front 23

Echinococcus granulosus
(Hydatid Disease)

Most common site? –

Back 23

liver – jaundice and portal hypertension

Front 24

Treatment for Echinococcus granulosus
(Hydatid Disease)

Back 24

Surgery and mebendazole

Front 25

Where is it found?

Echinococcus granulosus
(Hydatid Disease)

Back 25

Infections prevalent in sheep-raising areas where dogs served in herding.
- Disease reported mainly in Southwestern US, Alaska and Canada.