A 40-year-old Japanese man presents with haemoptysis and a chest X-ray showing pleural effusion and ring-shaped opacities. He regularly eats freshwate...

Question

A 40-year-old Japanese man presents with haemoptysis and a chest X-ray showing pleural effusion and ring-shaped opacities. He regularly eats freshwater crab (sashimi-style). Sputum microscopy reveals large, golden-brown, operculated eggs approximately 90 × 55 µm. What is the causative organism?

Accepted Answer

Paragonimus westermani

Answer

Clonorchis sinensis

Answer

Fasciola hepatica

Answer

Schistosoma japonicum

Answer

Ascaris lumbricoides

uk-dtmh MCQ (SBA): Paragonimiasis

A 40-year-old Japanese man presents with haemoptysis and a chest X-ray showing pleural effusion and ring-shaped opacities. He regularly eats freshwater crab (sashimi-style). Sputum microscopy reveals large, golden-brown, operculated eggs approximately 90 × 55 µm. What is the causative organism?