opisthorchosis + chlonorchis - revise again

Question 1

hosts

Answer 1

2 intermediate hosts

snail
fish - freshwater

man and canines : definitive

Question 2

where to the larvae migrate to when ingested

Answer 2

Parasitic larvae migrate to the bile ducts, where they grow into mature parasites and live long time.

Question 3

IF in comparison to sschitomiasis

Answer 3

metacercaria larvae compared to forked tail cercaria

Question 4

diagnosis and some features of eggs

Answer 4

eggs in faces or aspirated bile

eggs are much smaller than fasciola + also are operuclted

Question 5

tx

Answer 5

praziquantel

surgery may become necessary is obstrcitoon has occurred

Question 6

prophylaxis

Answer 6

proper cooking of fish
control of snails
not posing in the waters

Question 7

name of opisthorchosis species

Answer 7

o. felineus- - common in Europe and soviet union

o. viverreni - common in Thailand

Question 8

name of clonorchis

Answer 8

C. SINENIS (Chinese liver fluke )

Question 9

epidemiology of clonorchiasi

Answer 9

Japan, Korea,taiwan, china , vietnam

Question 10

adult worm lives

Answer 10

sometimes in pancreatic duct (mostly felines)but mostly biliary tract

Question 11

what’s the difference between chloronichis eggs and schistosomiasis

Answer 11

shistosomiasis eggs hatched In the water into miracidea . but chlonorchis eggs only hatch one ingested by suitable snails peculate snails

Question 12

what type of diseases are both of them

Answer 12

zoonosis

Question 13

risk groups

Answer 13

people who live near large freshwater sites - rivers and lakes and are engaged in fishing.

Question 14

tx

Answer 14

praziquantel

Question 15

which one is known to be associated with Thailand

Answer 15

opisthrochosis vivernie

Question 16

symptoms

Answer 16

acute phase due to larval migration , abdominal pain, diarrhoea, allergy urtitcatia eosinophilia (less likely to see haptomegaly and fever here unlike in f.hepatica)

chronic phase : adults - more likely to see hepatomegaly here