A shepherd, who tended to the flock of sheep with his dogs, gradually developed pain in the chest and bloody expectorations. X-ray revealed spheric helminth larvae in the patient’s lungs. Specify the helminth that could be the causative agent of this disease:

Answer options

1. Taenia solium
2. Fasciola hepatica
3. Hymenolepis nana
4. Diphylobotrium latum
5. Echinococcus

Explanation

Echinococcus granulose, also called the hydatid worm, hyper tapeworm, or dog tapeworm, the tapeworm eggs are typically ingested during play with dogs or through consumption of garden vegetables or water contaminated by dog feces. The most common sites of tapeworm cyst formation within the body are the liver and lungs.