trematodes Flashcards
what are the tremtodes
fasciola
opisthorchis
clonorchis
schistosomiasis
what are the schistosomiasis species (6) and their resevoir host
s. haematobium no signig
s. japonicum - cats dogs, rodents, pigs
s. mansoni no signif
s. intercalatum no signif
s. mekongi dogs main
s. malayensis human
what species are responsible for urinary schistosomiasis
s. haematobium
what species are tresponsibel for intestinal schistosomiasis
s. japonicum
s. mansoni
s. intercalatum
s. mekongi
s. malayensis
how many people infected schisosomiasis (bilharzia)
230 mil
where are the species of schistosomiasis found
s. haemotobium = africa
s. japonicum = south asia
s. mansoni = africa and brazil
s. intercalatum = africa
s. mekongi = laos cambodia
s. malayensis = malaysia
what are the symptoms of urinary schistosomiasis
chronic
- urinary bladder calcification of eggs trapped in tissue occurs
- blood in piss haematuria
- bladder cancer
- liver granuloma can form
what are the acute symptoms of intestinal schistosomiasis
weeks after infection
granuloma form around eggs in liver and intestine = enlarged spleen and liver (hepatosplenomegaly)
- increase leuocyte count with eosinophilia
often asymptomatic - fever, nasuease
SYMPTOMS MOST COMMON IN SJ
what are the chronic symptoms of intestinal schistosomiasis
years after infection
granulomatous inflamation around eggs trapped in tissues
colonic polyps sometimes found
chronic hepatosplenic schistosomiasis
how do you diagnose schistosomiasis
- ab test
- tissue biopsy
- blood count
- haemaglutination
what is the treatment for schistosomiasis
praziquantel - only drug
if severe corticosteroids reduce inflammation.
what is control for schistosomiasis
education
clean water,
vaccine in trial
vector control
