Monday, March 30, 2015

Case of the Week 343

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The following biopsies of small intestine are from a patient with chronic watery diarrhea.  Diagnosis? (CLICK ON IMAGES TO ENLARGE). H...
11 comments:
Sunday, March 29, 2015

Answer to Case 343

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Answer:  Cyclosporiasis due to Cyclospora cayetanensis Note the presence of both asexual and sexual forms within enterocytes: As many ...
Sunday, March 22, 2015

Case of the Week 342

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A 50-year old man presented with peritonitis and an acute abdomen. Emergent surgery revealed a perforation of his small intestine. Further h...
6 comments:
Saturday, March 21, 2015

Answer to Case 342

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Answer: Angiostrongylus costaricensis This is an interesting case in that we were able to see nice longitudinal and cross-sections of the ...
Monday, March 16, 2015

Case of the Week 341

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The following images are from an autopsy of a woman with end-stage ovarian cancer who developed respiratory failure and sepsis.  The tissue ...
5 comments:
Sunday, March 15, 2015

Answer to Case 341

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Answer:  Strongyloidiasis due to Strongyloides stercoralis As with most biopsies of S. stercoralis, all 3 parasite forms can be seen:  the...
2 comments:
Sunday, March 8, 2015

Case of the Week 340

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The following were seen on a Papanicolaou-stained cervical smear from a woman with complaints of dysuria and vaginal discharge (taken at 400...
8 comments:
Saturday, March 7, 2015

Answer to Case 340

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Answer:   Trichomonas vaginalis trophozoites As many of the readers noted, the beautiful morphology that we are used to seeing on Giemsa-s...
Monday, March 2, 2015

Case of the Week 339

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This week's case was generously donated by Dr. Mitre. The patient is an 11 yo girl who reported scalp itching for several hours and e...
6 comments:
Sunday, March 1, 2015

Answer to Case 339

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Answer:  No parasite present; favor hair product residue.  The structures shown in this case are an interesting mimic of Pediculus humanu...