A 42-year-old man from southern China presents with episodic haemoptysis and a chest X-ray showing a pleural effusion with ring-shaped opacities. He h...

Question

A 42-year-old man from southern China presents with episodic haemoptysis and a chest X-ray showing a pleural effusion with ring-shaped opacities. He has a history of eating raw freshwater crabs. Sputum analysis reveals operculated golden-brown eggs measuring approximately 85 × 55 µm. Which intermediate host is required for completion of the parasite's lifecycle?

Accepted Answer

Freshwater snails (first intermediate host) and freshwater crabs/crayfish (second intermediate host)

Answer

Freshwater snails only

Answer

Freshwater fish (sole intermediate host)

Answer

Cyclops copepods

Answer

Domestic pigs

uk-dtmh MCQ (SBA): Paragonimus Lifecycle