7/28/2019 Tropis_Tissue helminth6_capillaria, fasciola.pdf
1/9
Parasite of rodents, dogs, and monkeys
Infected if eat raw meat
6/18/2012 S. Wahyuni, Parasitology Dept, Medical Faculty, Unhas 1
7/28/2019 Tropis_Tissue helminth6_capillaria, fasciola.pdf
2/9
In a host the ova are deposited in the liver
fully embryonated within 30 days
a new host eats infected liver
the larvae after piercing the intestinal wall migrate to
t e ver
become mature in 4 weeks
6/18/2012 S. Wahyuni, Parasitology Dept, Medical Faculty, Unhas 2
7/28/2019 Tropis_Tissue helminth6_capillaria, fasciola.pdf
3/9
Pathogenicity
inflammatory reaction in the liver with theroduction of fibrous connective tissue
in heavy infections extensive tissuedestruction & he atic cirrhosis
microscopic examination of the liver at
6/18/2012 S. Wahyuni, Parasitology Dept, Medical Faculty, Unhas 3
7/28/2019 Tropis_Tissue helminth6_capillaria, fasciola.pdf
4/9
Classified as trematodes The sheep liver fluke
can infect humans
accidentally epa ca : up o x
mm
Reside in the large biliary
ducts of the mammalianhost.
Worldwide distribution
6/18/2012 S. Wahyuni, Parasitology Dept, Medical Faculty, Unhas 4
7/28/2019 Tropis_Tissue helminth6_capillaria, fasciola.pdf
5/9
distinct operculum inupper end of the
ellipsoidal size 120-150 x 63 to 90 m.
. The operculum can
be opened (egg C),
,operculum
have a thin shell which is slightlythicker at the abopercular end.
6/18/2012 S. Wahyuni, Parasitology Dept, Medical Faculty, Unhas 5
passe unem ryona e .
7/28/2019 Tropis_Tissue helminth6_capillaria, fasciola.pdf
6/9
genus Lymnae4 months
6/18/2012 S. Wahyuni, Parasitology Dept, Medical Faculty, Unhas 6
7/28/2019 Tropis_Tissue helminth6_capillaria, fasciola.pdf
7/9
acute hase (caused b the mi ration of the
immature fluke through the hepaticparenchyma): abdominal pain, hepatomegaly,fever vomitin diarrhea urticaria &eosinophilia can last for months.
chronic phase (caused by the adult fluke within
and reflect intermittent biliary obstruction andinflammation.
ccas ona y, ectopc ocatons o n ecton sucas intestinal wall, lungs, subcutaneous tissue,and har n eal mucosa) can occur.
6/18/2012 S. Wahyuni, Parasitology Dept, Medical Faculty, Unhas 7
7/28/2019 Tropis_Tissue helminth6_capillaria, fasciola.pdf
8/9
6/18/2012 S. Wahyuni, Parasitology Dept, Medical Faculty, Unhas 8
7/28/2019 Tropis_Tissue helminth6_capillaria, fasciola.pdf
9/9
E s: in the stools or in material obtained b
duodenal or biliary drainage. False fascioliasis (pseudofascioliasis) refers to
t e presence o eggs n t e stoo resutng notfrom an actual infection but from recent ingestion
avoided by having the patient follow a liver-freediet several days before a repeat stool
examna on. Antibody detection tests are useful especially in
6/18/2012 S. Wahyuni, Parasitology Dept, Medical Faculty, Unhas 9
,.
Recommended