Lung Trematodes (Flukes) - PARAGONIMUS WESTERMANI Flashcards

1
Q

Japanese Lung Fluke

Hermaphrodite

A

Paragonimus westermani

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2
Q

Intermediate hosts of Paragonimus westermani

A

SNAIL: Antemelania asperata

MOUNTAIN CRAB: Sundathelphusa philippina

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3
Q

Ingestion of RAW CRABMEAT/CRAYFISH

LARVAE (METACERCARIAE)

A

adult flukes live in the LUNGS

PARAGONIMIASIS

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4
Q

Within the lung, the worms exist in a FIBROUS CAPSULE that communicates w/ a bronchiole – provokes a GRANULOMATOUS REACTION

secondary bacterial infection frequently occurs

A

PARAGONIMIASIS

*chronic cough w/ bloody sputum

CXR: ring shadow opacity

RESEMBLES TB!!

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5
Q

Diagnostic test for Paragonimiaisis

A

3% NaOh preparation

operculated/unembryonated egg in sputum or feces

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6
Q

Treatment for Paragonimiaisis

A

Praziquantel

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