Ch 10 Visceral Flukes

Liver fluke genuses

Fasciola, clonorchis, opisthorchis, dicrocoelium

Lung fluke genus

Paragonimus

Intestinal fluke species

fasciolopis buski

Fasciola hepatica infection cause

contaminated leafy wild plants in water

Fascioliasis anthroponotic or zoonotic

zoonotic

Fasciola hepatica resevoir

wild animals and livestock

Where does Fasciola hepatica mature and live?

the liver

Fascioliasis infectious form

metacercariae

Fascioliasis lifecycle

egg → miracidium → snail → cercaria → metacercaria → adult

F. hepatica incubation phase

3 days to months

F. hepatica invasive or acute phase

nausea, diarrhea, jaundice

F. hepatica latent phase

fewer symptoms

F. hepatica chronic or obstructive phase

inflammation

Fascliosis diagnosis

microscopy, serological, endoscopy, imaging

Fasioliasis treatment

triclabendazole

Fascioliasis prevention

molluscicides, cook plants

Opisthorchis locations

east asia

Opisthorchis resevoirs

fish eating mammals

Opisthorchis definitive hosts

humans, fish eating mammals

opisthorchis reproduction

monoecious, eggs excreted in feces

Where do opisthorchis larva hatch?

small intestine

opisthorchis clinical disease

#1 biological carciogenic

opisthorchis diagnosis

microscopy, serological tests, endoscopy, imaging

opisthorchis treatment

Praziquantel

opisthorchis prevention

sewage treatment, cook fish

paragonimus first intermediate host

snails

paragonimus second intermediate host

crustacean, fish

Extrapulmonary paragonimiasis

invasion of the brain

paragonimus tissue

lungs

what is paragonimus mixed up with?

pneumonia and tuberculosis

paragonimus symptoms

blood in septum, coughing fits, diarrhea

paragonimus diagnosis

identification of eggs, IgG anf IgE, Chest x-rays, serological assays

paragonimus treatment

praziquantel