Cestode: Fish Tapeworm Flashcards
1
Q
Where are fish tapeworms generally found?
A
Undercooked/pickled fish
2
Q
How long can fish tapeworms grow to?
A
Up to 25 meters!!! :P
3
Q
Explain the lifecycle of fish tapeworms
A
- Humans ingest parasites in fish
- adult worms mature in SI
- feces with eggs to sewer/ground
- Special snails ingest eggs
- small fish eat snails
- large fish eat small fish
- humans eat large fish
4
Q
What are the clinical manifestations of fish tapeworm?
A
- Mild bloating, diarrhea, but most asymptomatic
- Megaloblastic anemia–vitamin B12 deficiency because worms compete for it.
- Massive infection, intestinal obstruction or biliary obstruction in some instances
5
Q
What is the epidemiology of fish tapeworm?
In what regions is it endemic?
A
Endemic to Scandinavia, Finland, Alaska, Siberia, Great Lakes, Japan, Chile, Lakes/Rivers, etc.
6
Q
How do you diagnose fish tapeworm?
A
Stool exam for eggs – oval eggs with operculum at one end (An operculum is a small covering, like a sucker or trap door which exists in many fish, snails, etc.)
7
Q
How do you treat fish tapeworm?
A
Look it up! Prazinquantal / niclosamide both single dose.
8
Q
How do you prevent fish tapeworm?
A
- Proper feces disposal
- Cook or freeze your fish
