Paragonismus westermani is commonly called: March 2005
Ans. A: Lung fluke Paragonismus westermani Preferred definitive host: Carnivores (e.g. felids, canids, viverids, and mustelids), rodents, and pigs. Reservoir hosts: Humans Vector/intermediate hosts: Snail of Family Thieridae; - Crab-Eriocheir japonicus. Organs affected: Mainly the bronchioles of the lungs, but the worms may wander into the brain or mesentery. Symptoms and clinical signs: Victim suffers from breathing difficulties and chronic cough. Worm is often fatal due to penetration of the brain, spinal cord, or hea. Treatment: Bithionol, Praziquantel Tapeworms: Impoant ones are D. latum, Taenia solium and saginata, Echinococcus, Hymenolepis etc. Intestinal flukes: Small intestine: fasciolopsis buski, Hetreophyes, Metagonimus yokogawai, Watsonius watsoni and Echinostoma Large intestine: gastrodiscoides hominis Liver flukes: Fasciola hepatica and less often opisthorcis species Flukes in the biliary tract: Clonorchis sinensis
Lung fluke
Tapeworms
Intestinal flukes
Liver flukes