HEPATIC AND INTESTINAL FLUKE Flashcards
what are the 5 hepatic flukes
Fasciola
Fasciola
Clonorchis sinensis
Opisthorcis
Opisthorcis
what are the 5 hepatic flukes
Fasciola hepatica
Fasciola gigantica
Clonorchis sinensis
Opisthorcis felineus
Opisthorcis viverrini
fasciola ______ is bigger than fasciola hepatica
fasciola gigantica
fasciola is called ________, adult worms are found in ____________
liver flukes
bile ducts
Sheep liver fluke (SHEEPATICA)
tEmpErate liver fluke (too many letter E’s)
fasciola hepatica
- Giant liver fluke
Tropical liver fluke
Fasciola gigantica
Unique feature of adult worms are presence of __________
Cephalic cone
Fasciola hepatica is smaller than __________ and it has a__________
fasciola gigantica
prominent shoulder
cephalic cone , 2 shoulders converging margins, smaller in size
fasciola hepatica
Less prominent in shoulders, parallel margins, larger in size
fasciola gigantica
Fasciola adult
* Intestine is ________
Testes are ___________
Ovary is __________
Vitellaria are _________
Fasciola adult
* Intestine is branched
* Testes are branched
Ovary is branched
* Vitellaria are extending up to posterior end
⚫ (+) Cephalic cone and shoulder (unique characteristic)
large ovoid, operculated, yellowis-brown, unembryonated
fasciola hepatica
Unembryonated when laid in the biliary tract and are evacuated with the feces
Embryonates in water to later release miracidium
fasciola hepatica
large ovoid, operculated, yellowis-brown, unembryonated
fasciola hepatica
Both are yellowish brown
* Both are ovoid
* Both operculated
* But this egg has thickened posterior end = _________
Paragonimus westermani
_______and ______ ova are both found in the stool.
Paragonimus and Fasciola
large ovoid, operculated, yellowis-brown, unembryonated
fasciola hepatica
_______and ______ ova are both found in the stool.
Paragonimus and Fasciola
Both are yellowish brown
* Both are ovoid
* Both operculated
* But this egg has thickened posterior end = _________
Paragonimus westermani
1st and 2nd intermediate host of fasciola hepatica
Fasciola hepatics
1st Intermediate host: Snail of the Genus Lymnaea
2nd Intermediate host: Aquatic vegetations/ water plants
⚫ Ipomea obscura (kangkong)
⚫ Nasturtium officinale (water cress)
large ovoid, operculated, yellowis-brown, unembryonated
fasciola hepatica
where can we get fasciola hepatica
dishes with raw water plant
_________ from the intestine will migrate through the intestinal wall then into the _____________of the liver parenchyma/tissue then into the ______ then to the ________
Metacercaria
Glisson’s capsule
liver then bile duct
Fascioliasis
* Acute or invasive phase
* The acute phase is also referred to as the
(5)
Fascioliasis
* Acute or invasive phase
* The acute phase is also referred to as the
(1) migratory phase
(2) invasive phase,
(3) hepatic phase,
(4) parenchymal phase
(5) larval phase.
Fascioliasis
* Human ingest the __________ encysted in the raw water plant.
* These Immature larval flukes migrate through the intestinal wall, the peritoneal cavity, the liver capsule, and hepatic tissue and, ultimately, to the bile ducts.
acute or invasive
Fascioliasis
metacercaria
Fascioliasis
* Acute or invasive phase
Triad:(3)
High fever - infection!
* Hepatomegaly - inflammation of the liver
* Marked eosinophilia - migrating parasites
_________- infection!
high fever
*___________- inflammation of the liver
hepatomegaly
_____________- migrating parasites
- Marked eosinophilia
Fascioliasis
Chronic or latent phase
Asymptomatic and corresponds to the period when the parasite has reached the ________
_____________________
* In some cases, the walls of bile duct may be eroded allowing the worms to re-enter the liver parenchyma and cause large abscess
bile duct
- If severe, adult worm causes infection), inflammation and fibrosis obstruction
What are the three halzoun symptoms
Picking throat sensation
coughing
sneezing
PCS
________________ is popular food presentation in lebanon and other countries of eastern mediterranean region
Raw ovine liver
Raw ovine liver is popular in what country ?
Lebanon
- Due to ingestion of infected liver where livers of sheep and goats are eaten raw
halzoun (pharyngeal fasciolliasis)