Common Name
Habitat
Testes/ ovary
Adult
Ova/ egg
Infective stage
Fasciola hepatica
Giant fluke Sheep liver fluke
Biliary duct
Dendritic testes in tandem formation/ single dendritic ovary
Ant. Cephalic cone, shouldered appearance
Operculated hen- egg shaped
1 : miracidium nd 2 :cercaria Def:metacer caria
Clonorchis sinensis
Chinese/ oriental liver fluke
Bile duct
2 deeply branched testes/ single w/ 3 lobes
Gray, tapering anteriorly, rounded posteriorly
1 : egg nd 2 : cercaria Def: Metacercaria
Biliary passage
2 testes lobate/ single ovary lobed
Reddish yellow, lancetshaped
Old fashioned electric bulb, aboperculum, convex operculum Operculum on thickened rim and minute aboperculum Golden brown, operculum wide and flattened w/ a thickened aboperculum Yellowish ellipsoidal, thin shelled, rounded
Opistorchi Cat liver fluke s felineus
Paragoni mus westerma ni
Oriental lung fluke
Lungs
2 testes deeply lobed opposite/ 6 unbranched lobes, flattened coffee bean shaped
Reddish brown, cuticle spinous
Fasciolops is buski
Giant intestinal fluke
S.I. duoden um & jejunum
Highly dendritic/ single branched
Large treamtode, elongated oval in shape, no cephalic cone
Echinosto ma ilocanum
Garrison’s
S.i.
Bilobed/ globular
Reddish gray ant: horseshoe-
Fluke
Straw colored, with characteristic
st
st
st
1 : egg nd 2 : cercaria Def:metacer caria st
1 : miracidium nd 2 : cercaria Def: metacercaria
st
2 IH
Intestinal ceca
Suckers
Pathology
Diagnosi s
Treatment
Lymnae philippinensis L. swinhoe L. truncatula *L. rubiginosa [snails] Parafossalurus manchoricus [snail]
Ipomea obscura (kangkong) Ipomea reptans (morning glory)
Highly branched, dendritic
2 small suckers EQUAL size
DFS, COPT
Bithionol
Ctenopharyngodo n idellus [fish] Caridina nilotica gracilipes [shrimp] Idus melanotus, Tinca tinca Cyprinus carpio Barbus barbus [fishes] Sundathelphusa philippina (Parathelphusa grapsoides) [snail]
Long, simple extending posteriorl y Simple
Ventral is smaller than oral
Acute Invasive Halzounpharyngeal fascioliasis to asphyxiation Gallstones Cholangiocarcin oma
DFS, liver scan
Praziquantel
Oral is smaller than ventral
Bile stones, carcinoma of bile ducts & liver
DFS
Praziquantel
Simple
Oral and ventral equal
Pulmonary distomiasis Endemis hemoptysis
Eggs in sputum, feces for bronchial washing
Praziquantel Emetine hydrochlorid e Bithionol
Trapa bicornis (water caltrop) Eliocharis tuberosa ( water chestnut) Ipomea aquatica (water morning glory) Nymphae lotus (lotus) Pila luzonica (kuhol) Vivipara angularis
Simple but wavy & unbranch ed
Oral is about ¼ of ventral
traumatic ulceration at site obstructive edema toxic intoxication from byproducts Inflammation bloody stool
DFS
Praziquantel Niclosamide Tetrachloroet hylene Hexylresorcin ol Dichlorophen
DFS
Praziquantel, hexylresorcin ol
Bithynia leachi Bithynia funiculate (O. viverrini) [snail] Antemalania asperata (brotia assperata) Antemalania dactylus [snail]
st
Segmentina trochoideus He\ippeutis umbilicalis [snail]
st
Gyraulus convexiusculus or Hippeutis
1 : miracidium nd 2 : cercaria Def: metacercaria
1 : miracidium nd 2 : cercaria
nd
1 IH
Oral canter of disk
Heteroph Von yes Siebold heterophy Fluke es
S.i.
Metagoni mus yokogaw ai
Conspicuous genital sucker (gonotyle) Ovoid side by side/ subglobuse Unequal in size/ globuse ovary
Trematodes: species Digena
Anterior end- oral sucker Posterior- acetabulum Flame cells- solenocytes excretory system
shaped collar of spines (collarette of spines) circumoral disk surrounded by spines Pyriform Smallest yet deadliest Grayish and smallest fluke of man
germ ball
Light yellow brown in color Smallest trematode egg Slight shoulder at rim of operculum Knob at posterior lobe
Def: metacercaria
umbilicalis [snail]
(susong pampang)
Pironella conica (Egypt) Certhidia cingula
Mugil, Salmo, Acanthogobius
Oral very small and ventral very large
Semisulcospira, Thiara, Hua
Plecoglossus, Salmo, Richarsonium, Odontobutis
Large ventral sucker right to the midline
Cardiac failure/ cardiac beriberi Cerebral hemorrhage
DFS
Praziquantel tetrachloroet hylene
