Monday, March 21, 2011

Case of the Week 154

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A biopsy of the large intestine was performed on a 43 year old HIV positive male with chronic watery diarrhea. Hematoxylin and eosin staine...
7 comments:
Sunday, March 20, 2011

Answer to Case 154

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Answer: Cryptosporidium spp. C. parvum and D. hominis are the 2 main species causing human disease. As some of the commentors mentioned...
Monday, March 14, 2011

Case of the Week 153

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The following were found on Stool ova and parasite exam. No history is available. The objects vary in size from 5 to 10 micrometers in dia...
8 comments:
Sunday, March 13, 2011

Answer to Case 153

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Answer: Blastocystis hominis Anonymous said it well: " Blastocystis . There are different morphological forms of the organism and sub...
Monday, March 7, 2011

Case of the Week 152

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The following were found in a stool parasite exam from a 50 year old farmer with bloody diarrhea. Identification? Unstained wet preparation...
10 comments:
Sunday, March 6, 2011

Answer to Case 152

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Answer: Balantidium coli trophozoites and cyst This giant protozoan seems to inspire parasitologists everywhere by its size and unique feat...
Monday, February 28, 2011

Case of the Week 151

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The following were seen microscopically (4x objective) on a non-nutrient agar plate containing stool. The patient was from Cambodia and pre...
6 comments:
Sunday, February 27, 2011

Answer to Case 151

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Answer: Probable infection with Strongyloides stercoralis . Other larvae, such as those of hookworm species, can have a similar appearance...
Monday, February 21, 2011

Case of the Week 150

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A 50 year old male from South America died suddenly and an autopsy was performed. show are hematoxylin and eosin stained tissue sections of...
4 comments:
Sunday, February 20, 2011

Answer to Case 150

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Answer: Trypanosoma cruzi amastigotes congratulations to Josh, Alasdair, BW, and Anonymous who wrote in with the correct answer! The diag...