Flatworms

Front 1

1. What are two important lab values to test for when you suspect a trematode infection?

Back 1

a. Eosinophils
b. IgE

Front 2

a. What is another name for Fasciolopsis buski?

Back 2

i. Giant intestinal fluke

Front 3

b. What is the reservoir for F. buski? How do you contract it?

Back 3

i. Pigs or humans
ii. Chewing on water chestnut husks

Front 4

c. What disease does F. buski cause?

Back 4

i. Malabsorption syndrome

Front 5

a. What is another name for F. hepatica?

Back 5

i. Sheep liver fluke

Front 6

b. Where are you most likely to find F. hepatica?

Back 6

i. Sheep raising areas

Front 7

c. What does F. hepatica cause?

Back 7

i. Hepatitis
ii. Cirrhosis

Front 8

a. What is another name for Opisthorchis sinesis?

Back 8

i. Chinese liver fluke

Front 9

b. Where are you most likely to contract O. sinesis?

Back 9

i. Undercooked, freshwater fish from fecal-contaminated water

Front 10

c. What disease does O. sinesis cause?

Back 10

i. Hepatitis
ii. Biliary obstruction in severe cases (liver rot)

Front 11

a. What is P. westermani called in the US?

Back 11

i. P. kellicotti

Front 12

b. What disease does Paragonimus westermani cause?

Back 12

i. Paragonimiasis

Front 13

c. Where are you most likely to contract paragonimiasis?

Back 13

i. Undercooked carbs and crayfish
ii. Pork

Front 14

d. What are the symptoms of paragonimiasis?

Back 14

i. Inflammatory disease of lung
ii. Also in liver and CNS

Front 15

e. What is the path of infection of paragonimus westermani?

Back 15

i. Intestine→ diaphragm→ lung

Front 16

a. To where do schistosomes migrate once within the body?

Back 16

i. Portal blood vessels

Front 17

b. What disease do schistosomes cause? What are the symptoms?

Back 17

i. Schistosomiasis
ii. Cercarial itch
iii. Snail fever
iv. Liver and bladder fibrosis

Front 18

i. What are the symptoms of S. mansoni infection?

Back 18

1. Severe hepatitis
2. Granuloma
3. Clay-pipestem fibrosis

Front 19

i. What is a characteristic physical landmark of S. haematobium?

Back 19

1. Terminal spine

Front 20

ii. To where does S. haematobium migrate once within the body? What does it cause once there?

Back 20

1. Urinary bladder blood vessels
2. Bladder wall fibrosis

Front 21

a. What does non-human-targeted cercaria cause?

Back 21

i. Pruritus
ii. Swimmer’s itch

Front 22

a. What form of tapeworm is worst to have?

Back 22

i. Larvae in tissue are much worse than tapeworm in the gut

Front 23

i. Where are you going to contract T. solium?

Back 23

1. Pork

Front 24

ii. What are the symptoms of T. solium?

Back 24

1. Asymptomatic diarrhea

Front 25

iii. What causes T. solium cysticercosis? What happens after infection?

Back 25

1. Ingestion of T. solium egg or proglottid
2. Cysticeri invade heart, muscle, brain, eye
3. Produce calcified pockets

Front 26

iv. What causes inflammation in T. solium cysticercosis?

Back 26

1. Dying cysticeri

Front 27

v. What are the telltale sign of T. solium cysticerosis?

Back 27

1. Larval cysts in heart muscle
2. Calcium deposits in muscles

Front 28

i. What is another name for Taenia saginata?

Back 28

1. Beef tapeworm

Front 29

ii. How do you contract T. saginata?

Back 29

1. Undercooked beef

Front 30

iii. What is/are the host(s) of T. saginata?

Back 30

1. Humans only host

Front 31

iv. What are the symptoms of T. saginata disease?

Back 31

1. Asymptomatic diarrhea

Front 32

v. How can you ID a T. saginata infection?

Back 32

1. Proglottids or eggs in feces

Front 33

i. Where are you most likely to contract D. latum?

Back 33

1. Japan, Alaska
2. Pacific salmon
3. Fresh water lakes

Front 34

ii. What transmits D. latum?

Back 34

1. Sparganum larva in undercooked fish

Front 35

iii. What are the symptoms of D. latum infection?

Back 35

1. Mild discomfort
2. Vitamin B12 deficiency

Front 36

iv. What disease does D. latum cause? What are the symptoms?

Back 36

1. Sparganosis
2. Echogenic mass in brain, eye, breast tissue

Front 37

i. What does Echinococcus cause? How is it spread?

Back 37

1. Hydatid disease
2. Humans ingest eggs associated with dog, cat, or other feces

Front 38

ii. What are the symptoms of Hydatid disease?

Back 38

1. Hydatid sand in E. granulosus cysts
2. Large cysts
3. Calcified hepatic cyst
4. Pressure necrosis

Front 39

iii. How do you ID Echinococcus Hydatid disease?

Back 39

1. Casoni skin test for hydatid fluid
2. Abdominal swelling produced by large cyst

Front 40

i. What is another name for H. nana?

Back 40

1. Dwarf tapeworm

Front 41

ii. What is the most common tapeworm infection in the US?

Back 41

1. H. nana

Front 42

iii. How do you contract H. nana?

Back 42

1. Mouse, rat, or human feces with eggs
2. Often associated with grain products

Front 43

iv. What are the symptoms of H. nana infection?

Back 43

1. Diarrhea

Front 44

i. How do you get D. caninum?

Back 44

1. From dogs that have ingested fleas containing larvae

Front 45

ii. How do you ID D. caninum?

Back 45

1. Egg packets