IF: Echinostoma ilocanum Flashcards
Common name of Echinostoma ilocanum
Garrison’s FLuke
Final Host of Echinostoma ilocanum
Man
Reservoir host of Echinostoma ilocanum
- Dogs, Cats, Rats, and Pigs
- Rat is an important reservoir host
Habitat of Echinostoma ilocanum
Small Intestine
1st Intermediate Host of Echinostoma ilocanum
- Gyrraulus convexiusculus
- Hippeutis umbilicalis
2nd Intermediate Host of Echinostoma ilocanum
- Pila luzonica (kuhol)
- Vivipara angularis (susong pampang)
Infective stage of Echinostoma ilocanum
Metacercaria
Echinostoma ilocanum: Life Cycle
wala pan
Adult E. ilocanum anterior part has evident appearance of what?
Circumoral disk with flat-like scales or “Collar Spine”
What part of E. ilocanum adult defines this:
- it surrounds the circumoral disk
- enhances the attachment of the parasite to the intestinal lining despite the drugs of high-dose praziquantel
Collar spine
Echinostoma ilocanum: Adult Morphology
Color:
Testes:
IC:
Color: Reddish gray, thinner on the lower part of the parasite
Testes: Deeply bilobed; In tandem
IC: Simple
Echinostoma ilocanum: Adult Morphology
Characteristic of Circumoral disk
- how many collar spines are there?
- COmposed of 49-51 collar spines
Echinostoma ilocanum: EGG Morphology
Color:
Operculum:
Color: Straw colored, operculated and ovoid
Operculum: Less prominent operculum; dot like in appearance
Echinostoma ilocanum: Pathology
What diseasE?
● Echinostomiasis
● Heavy infection
● Diarrhea
● General intoxication
Echinostoma ilocanum: Diagnosis
● Stool examination
● Serological Tests
● Imaging Tests
● PCR
● FECT, KATO KATZ
- Eggs resemble F. buski
- Smaller as compared to F. buski
Echinostoma ilocanum: Epidemiology
Most cases are usually during the rainy
season
Echinostoma ilocanum: Treatment
Drug of choice: Praziquantel
From Old textbooks, E. ilocanum egg is termed as what?
Germ ball
E. ilocanum egg is laid immature or mature?
Immature egg
Adult morpholofy of Echinostoma ilocanum
● Spatulate in shape
● Has flake like scales in perimeter of the body
● Pinkish/reddish in color
Which sucker of Echinostoma ilocanum is much bigger than the other>
Ventral > Oral
Echinostoma ilocanum has the presence of crown-like in anterior portion
Circumoral disk
Echinostoma ilocanum has the presence of surrounding the circumoral disk that adds to the ability of attachment
Collar spine/ Crown of spine
What is the appearance of Echinostoma ilocanum’s testes?
Bilobed in tandem with
