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2019 Monthly Case Studies

Monthly Case Studies - 2019

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March 2019
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A 39-year-old journalist with extensive travel throughout the Middle East and Sub-Saharan Africa sought medical attention for dysuria and occasional hematuria that had been progressing for several months.


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Fecal specimens were collected from a refugee population as part of a screening program. Specimens were collected fresh for a direct smear examination and in polyvinyl alcohol (PVA) from which smears were prepared and stained with trichrome stain.

February 2019
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A 62-year-old man returned from visiting family in Cambodia with fever and chills. Thick and thin blood smears stained with Giemsa were prepared and examined at 1000x magnification with oil.

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A 10-year-old female patient from Argentina was taken to the hospital by her parent with complaints of “not feeling well.” A urine sample was collected and examined as part of the routine checkup.

January 2019

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As part of a health screening for refugees, a local private diagnostic laboratory was contracted to process fecal specimens.

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A 36-year-old man, who has made 2-3 trips per year for the past 5 years to various countries in Africa, sought medical attention for a recent episode of angioedema of the face and arms.

DPDx is an educational resource designed for health professionals and laboratory scientists. For an overview including prevention, control, and treatment visit www.cdc.gov/parasites/.

Page last reviewed: April 18, 2019