Creepy Dreadful Wonderful Parasites

A parasitologist's view of the world

Monday, September 29, 2014

Case of the Week 320

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Multiple motile small white objects were found in the diaper of an infant.  The specimens were submitted to surgical pathology where they we...
13 comments:
Sunday, September 28, 2014

Answer to Case 320

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Answer:   Dipylidium caninum proglottids containing numerous egg packets.  Each of the small structures shown in the low power images is a (...
1 comment:
Sunday, September 21, 2014

Case of the Week 319

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This week's case is also generously donated by Florida Fan, who has just had a run of really great cases!  The specimen is a particularl...
8 comments:
Saturday, September 20, 2014

Answer to Case 319

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Answer:   Giardia duodenalis (a.k.a. G. lamblia, G. intestinalis ) trophozoites. This was a very impressive case given the large number of...
Sunday, September 14, 2014

Case of the Week 318

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This week's case was generously donated by Florida Fan.  The following objects were seen in iodine-stained stool concentrates: (450x) ...
9 comments:
Saturday, September 13, 2014

Answer to Case 318

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Answer:   Cryptosporidium species. The small size of these spherical structures (4-6 micrometers in diameter) and bright red staining usin...
Sunday, September 7, 2014

Case of the Week 317

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The following was seen on a Pap-stained endocervical smear.  Identification? Thanks to Dr. Audrey Schuetz who donated this case!
8 comments:
Saturday, September 6, 2014

Answer to Case 317

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Answer:  Not a Parasite; most consistent with a fiber containing proteinaceous deposits.  One reader suggested obtaining additional informat...
Sunday, August 24, 2014

Case of the Week 316

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The following were found on a 10-year old boy from the northeastern United States.  Identification?
8 comments:
Saturday, August 23, 2014

Answer to Case 316

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Answer:  Larval ticks, Ixodes species These little guys were a bit hard to make out due to their small size, but you can nicely see severa...
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