Hydatid disease (also known as hydatidosis) is a cyclozoonotic infection caused by the cestode genus Echinococcus. The incidence of humans infected with hydatid disease is approximately 1.0-2.0:1,000, although it may be higher in rural areas of regions that are affected. Infection occurs via ingestion of infected meat. A hydatid cyst of the head and neck is a very rare condition, even in areas ...