This smear is seen from a woman who had an uncomplicated UTI treated with an oral agent 100 mg twice daily for 7 days. This agent is only used for E coli UTI.Challenge: What caused the finding shown in the blood smear?
Image shown under fair use.
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2 comments:
bite cells.. g6pd?
sulfonamides?
Out of Crime
This is G6PD (glucose-6-phosphate dehydrogenase) deficiency. The arrows indicate bite cells where Heinz bodies have been removed (Take a Bite out of Crime). The drug described here is nitrofurantoin, an agent only used for uncomplicated E coli UTI (and prophylaxis). It can trigger G6PD hemolytic anemia.
Sources: UpToDate; academic.marist.edu.
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