Asking The Right Questions … Leading to a Diagnosis-part 2

Echinococcus adult worm

This patient was diagnosed with hydatid disease or in this case cystic echinococcosis.  Hydatid disease is a parasitic zoonotic disease caused by a tapeworm. Specifically, it is most commonly caused by the cestode, Echinococcus granulosus (commonly called the Dog Tapeworm).