Perspective Chapter: Echinococcosis – An Updated Review

Common Name: Dog Tapeworm. Echinococcus granulosus is most prevalent and causes cystic hydatid disease. multilocularis uncommon responsible for alveolar Hydatid disease a significant health problem worldwide. It zoonosis. Adult worm lives in the small intestine of dog rarely wolf fox. optimal definitive host. The larval stage (hydatid cyst) found herbivorous animal like sheep, goat, cattle. Man accidental intermediate Echinococcal infection occurs through ingestion eggs that are passed feces After eggs, egg liberates embryo which passes intestinal mucosa portal circulation. Right lobe liver commonest site cyst. cyst wall consists pericyst, ectocyst endocyst. Endocyst or germinal layer asexual reproduction giving rise to brood capsule scolices. Symptoms mainly due pressure effect. Rarely fatal anaphylaxis may occur spontaneous rupture during surgery. USG CT valuable imaging technique. Serology an adjunct diagnosis. Classification by Gharvi et al. into five types based on sonographic analysis. Treatment modalities include chemotherapy, percutaneous treatment