Sir Robert, a 42-year-old male, returned to his home in England after an adventure along the Nile Delta. On arrival at his estate, Sir Robert began to experience chills and a fever. The fever remained high for about 2 days and then subsided but spiked again after 5 days. He also noticed an abscess on his right leg, which had become swollen, inflamed, and hot. After a few days, his leg began to enlarge. A this point, Sir Robert promptly set-up an appointment with his physician for 4:00pm the next day. On determining the patient's recent travel history and performing a physical examination, the physician ordered blood and stool samples for parasite study. In addition, the physician surgically opened the abscess and obtained a sample of the contents for parasitic examination. Laboratory examination of the abscess and stool specimens revealed no parasites. However, the Giemsa-stained slide of the blood contained suspicious organisms, each measuring approximately 260μm in length. What parasite (genus and species) do you suspect? What is the life stage for the parasite recovered from this blood sample? How did Sir Robert acquire this infection Was the blood sample collected at the appropriate time to confirm the parasite you suspect?
Sir Robert, a 42-year-old male, returned to his home in England after an adventure along the Nile Delta. On arrival at his estate, Sir Robert began to experience chills and a fever. The fever remained high for about 2 days and then subsided but spiked again after 5 days. He also noticed an abscess on his right leg, which had become swollen, inflamed, and hot. After a few days, his leg began to enlarge. A this point, Sir Robert promptly set-up an appointment with his physician for 4:00pm the next day. On determining the patient's recent travel history and performing a physical examination, the physician ordered blood and stool samples for parasite study. In addition, the physician surgically opened the abscess and obtained a sample of the contents for parasitic examination. Laboratory examination of the abscess and stool specimens revealed no
What parasite (genus and species) do you suspect?
What is the life stage for the parasite recovered from this blood sample?
How did Sir Robert acquire this infection
Was the blood sample collected at the appropriate time to confirm the parasite you suspect?
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