Exam 55: Liver and Lung Trematodes

The eggs of Paragonimus mexicanus measure approximately 80 µm by 40 µm,are unembryonated and operculated,and have thick shells that are brownish-yellow.An individual with this infection has most likely traveled to which endemic area?

Match the fluke classification with the corresponding organism. -Southeast Asian liver fluke

Match the fluke classification with the corresponding organism. -Chinese liver fluke

The adult worm of Fasciola measures 2 to 5 cm by 0.8 to 1.3 cm with a cephalic cone at the anterior end that contains the oral sucker.The drug of choice to treat Fasciola infections is:

Match the fluke classification with the corresponding organism. -Sheep liver fluke

Charcot-Leyden crystals are often observed in specimens infected with which one of the following trematodes?

Match the fluke classification with the corresponding organism. -Lung fluke

Which second intermediate host ingests the cercariae of Clonorchis and Opisthorchis?