1. A cyst formed in the body tissues of humans or animals by the larval stage of a tapeworm, typically Echinococcus, causing hydatid disease.
Usage: medical; pathology

Examples

• The patient was diagnosed with a hydatid cyst in the liver after imaging studies.
• Hydatid disease is transmitted to humans through contact with infected dogs or contaminated food.
• Surgical removal of the hydatid may be necessary if it grows large enough to cause symptoms.
• Hydatids can develop in various organs including the lungs, brain, and kidneys.
• The presence of a hydatid was confirmed through serological testing and ultrasound.