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Hydatid disease is a caused by .......?

Ecchinococcus granulosus (commonly); alveolaris, multilocularis (less commonly)

Name the definitive host and the intermediate host.

Dog (definitive host); Sheep (intermediate host)

State the components of the cyst wall.

From outer to inner- adventitial layer composed of host cells (ectocyst/pericyst), middle laminated layer (exocyst), inner germinal layer(endocyst)

Presentation

Pain in epigastric region; raised bilirubin levels; serum amylase and lipase were normal.

Age:	45 years
Gender:	Male

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