Monday, October 27, 2008

Case of the Week 43

›
This weeks case may look familiar (hint: we've seen a similar case on Creepy Dreadful Wonderful Parasites before) but I thought that th...
2 comments:

Answer to Case 43

›
Answer: Pthirus pubis, the crab louse. Little known facts about the crab louse: 1. It's an obligate parasite, living and feeding only ...
Monday, October 20, 2008

Case of the Week 42

›
Cross-sections through an appendix removed for acute appendicitis revealed the following: (H&E stained histologic images, Click to enlar...
4 comments:

Answer to Case 42

›
Answer: Enterobius vermicularis (pinworm) Shown are cross-sections of the adult worms within the lumen of the appendix. In some cross-sect...
Monday, October 13, 2008

Case of the Week 41

›
The following were seen in a papanicolaou-stained urine preparation. These objects range in size from 20 to 50 microns. Identity?
2 comments:

Answer to Case 41

›
Answer: crystals (urate) Great job to everyone who got this one. Crystals in urine are a common mimic of parasite eggs. The ways to disti...
Monday, October 6, 2008

Case of the Week 40

›
Skin scrapings from a pruritic rash. Identification?
1 comment:
Sunday, October 5, 2008

Answer to Case 40

›
Answer: Scabies eggs and fecal pellets.
Monday, September 29, 2008

Case of the Week 39

›
Autopsy of an eldery immunocompromised woman with no travel history outside of the U.S. Shown are sections of necrotic large bowel and necr...
2 comments:

Answer to Case 39

›
Answer: Strongyloidiasis, showing mucosal invasion by Strongyloides stercoralis larvae. Note the marked intestinal mucosal necrosis and hi...