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lung flukes (Diagnosis, Prevention and Control (demonstration of eggs in …
lung flukes
Diagnosis, Prevention and Control
demonstration of eggs in
sputum
Avoidance of eating undercooked crabs and cray
fish
Proper sanitation and disposal of faeces
– Chemotherapy: Praziquantal
Paragonimus westermani
Adults live in the lungs
Definitive host: Human beings
Intermediate hosts
1st: Freshwater snails of Melania
2nd: Fresh water crab or cray fish
Morphology
thick, fleshy and reddish brown
Two suckers
oral near anterior end and
ventral near middle body
Paragonimiasis
Pulmonary paragonimiasis
Encystment of eggs in deeper layer of lung
Extrapulmonary paragonimiasis
Abdominal, hepatic, cerebral or subcutaneous tissue
life cycle