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NBME 24 Answers
A 30-year-old man who is a migrant farm worker ...
Formation of hypnozoites
Hey thanks for finding the image! Do you know why the answer can’t be Chloroquine resistance? I was b/w that and formation of hypnozoites.
I think it's just that Schuffner stippling and hypnozoites are both specific to vivax and ovale species. These species could be chloroquine resistant or sensitive, but if you have Schuffner stippling or hypnozoites, you can definitively say that it's either vivax or ovale.
Species with hypnozoites is not called chloroquine resistant. Chloroquine-resistant species means trophozoite/schizont cant be killed by chloroquine. We dont have enough info to decide whether the spp in the q is resistant/sensitive. But we do know he moved from Honduras to USA 1 year ago.
UW: in africa most malaria species are resistant to chloroquine. he is from hondruas
Can anyone explain the 1-week history of fever? Ruled out vivax and ovale due to 48 hr cycles. Or did they just throw that in as an unspecific symptom.
Guys along with all intelligent discussion also keep in mind he immigrated 1 year back. So it must be hypnozoites which is causing this because Murica is Malaria free.