A 22-year-old British backpacker returns from Thailand with a painless, firm nodule on his upper arm that has been present for 2 weeks. He recalls a '...

Question

A 22-year-old British backpacker returns from Thailand with a painless, firm nodule on his upper arm that has been present for 2 weeks. He recalls a 'boil' that resolved spontaneously. A fly larva is expressed from the nodule. He reports spending time in forested areas. What is the most likely cause?

Accepted Answer

Dermatobia hominis (human botfly)

Answer

Cordylobia anthropophaga (tumbu fly)

Answer

Sarcophaga species

Answer

Cochliomyia hominivorax (New World screwworm)

Answer

Chrysomya bezziana (Old World screwworm)

uk-dtmh MCQ (SBA): Human Botfly Myiasis