Monday, July 30, 2012

Case of the Week 218

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The following were seen on stool agar culture from a patient treated with steroids for another condition.  The patient presented with recurr...
4 comments:
Sunday, July 29, 2012

Answer to Case 218

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Answer:  Strongyloides stercoralis This appearance of motile larvae on agar culture is classic for strongyloidiasis and fits with the pati...
Monday, July 23, 2012

Case of the Week 217

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The following material was submitted to the laboratory for identification of possible parasites.  No history was provided. Under t...
10 comments:
Sunday, July 22, 2012

Answer to Case 217

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Answer:  Mite, not Sarcoptes scabiei (scabies mite). When we called the ordering physician, we were told that this "fuzz" was po...
Tuesday, July 17, 2012

Case of the Week 216

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The following were seen on hematoxylin and eosin stained sections of small intestine. (CLICK ON IMAGES TO ENLARGE) (100 times original ...
7 comments:
Monday, July 16, 2012

Answer to Case 216

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Answer:  Giardia intestinalis (a.k.a. G. lamblia, G. duodenalis ) Even though the morphology is a little indistinct in these histologic se...
Monday, July 9, 2012

Case of the Week 215

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An unstained liver cyst aspirate showed the following structures (CLICK ON IMAGES TO ENLARGE): (Unstained wet-prep, 400x times original m...
7 comments:
Sunday, July 8, 2012

Answer to Case 215

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Answer:  Echinococcus sp.  The most likely identification is E. granulosus, given the presence of a thick laminated membrane (2nd image) ...
Monday, July 2, 2012

Case of the Week 214

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The following were seen on Giemsa-stained peripheral blood films from a 2 year old adoptee from Zimbabwe.  Identification?  Based on what fe...
5 comments:
Sunday, July 1, 2012

Answer to Case 214

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Answer:  Plasmodium falciparum Shown here are early trophozoites (rings) of P. falciparum with Maurer's clefts.  Although some of the ...