Left lower lobe, mass forming lesion with necrosis and pneumonia

Left lower lobe, mass forming lesion (black arrow) with necrotic cysts or cavities (red arrows)

Left lower lobe, mass forming lesion with necrotic cysts or cavities (red arrows)

Eosinophilic abscess and granulomatous inflammation

Charcot-Leyden crystals

Charcot-Leyden crystals and many eosinophils

Eosinophilic pneumonia

Many parasitic eggs with parasitic granuloma

Many parasitic eggs with parasitic granuloma

Eosinophilic pneumonia and many parasitic eggs of paragonimus

Eggs of paragonimus

Paragonimiasis; Life cycle

Human acquire the fluke by ingesting larvae in law or incompletely cooked crustarceans, mainly crayfish and crabs

Metacarcariae hatch in the human duodenum and pass through the bowel wall into the peritoneal cavity through diaphragm pleural cavity lung parenchyma mature in about 70 days and lodge near the bronchioles and bronchi deposit their ova discharge into the bronchial lumen with blood and inflammatory debris some expectroated and others swallowed passed in the feces miracidia infect freshwater snails, genus Melania