Echinococcal Cyst Flashcards
what is hepatic echinococcosis
infectious cystic disease common in sheep herding areas of the world
What is echinococcus
Tapeworm that infects humans
what do the larvae enter before the liver
Burrow through the mucosa, enter the portal circulation, and travel to the liver
what are the two layers of echinococcal cyst
1) inner layer
2) Outer, inflammatory reaction layer
what may develop from the inner layer
Smaller daughter cysts
what may occur to cysts
May enlarge and rupture
what may a cyst do
Impinge on the blood vessels and lead to vascular thrombosis and infarction
what is a finding of a hydatid cyst
water lily sign
what patterns may occur with echinococcal cysts
simple cyst to a complex mass with acoustic enhancement
what is the appearance of the walls
Regular
If a daughter cyst is found
specific for echinococcal cyst
