IF: Heterophyes heterophyes Flashcards
Common name of Heterophyes heterophyes
Von Siebold’s Fluke
Final host of Heterophyes heterophyes
Man
1st IH of Heterophyes heterophyes
(Snail)
(Snail)
Prinella conica
2nd IH of Heterophyes heterophyes (Fish)
(Fish)
- Tilapia
Habitat of Heterophyes heterophyes
Small intestine
Infective stage of Heterophyes heterophyes
Metacercaria
MOT of Heterophyes heterophyes
Ingestion of 2nd IH with Metacercaria
Egg morphology of Heterophyes heterophyes
● Pitcher-like or old fashioned light bulb appearance
● Light brown color
● Similar to C. sinensis
● Has smooth without thickening abopercular end
● Operculated
● Laid maturely
When Heterophyes heterophyesegg is laid, is it mature or immature?
Mature
Adult morphology of Heterophyes heterophyes
● Smallest trematode
● Only trematode with 3 suckers (oral, ventral, genital)
● Ventral > Oral
What are the suckers found in Heterophyes heterophyes adult?
- Oral
- Ventral
- Genital/Gonotyl
Which sucker is larger than the other in Heterophyes heterophyes Adult?
Ventral > Oral
Pathology of Heterophyes heterophyes
● Chronic intermittent diarrhea
● Nausea
● Vague abdominal complaints
● Seizures
● Neurologic deficits
● Cardiac insufficiency
Diagnosis of Heterophyes heterophyes
● Recovery of egg in stool
● Recovery of adult in surgery
Drug of choice for Heterophyes heterophyes
Praziquantel
Tetrachloroethylene
