Case of the Week 43
The follow are images of an unstained intestinal biopsy that was “squashed” between 2 slides. Please identify the objects present. They measure approximately 180 microns in greatest dimension.
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Answer to Case of the Week 42
Answer: Dirofilaria immitis; the Dog Heartworm
Congratulations to everyone who wrote in with the correct answer to this case!
Dirofilaria spp. cause both subcutaneous and pulmonary infections in humans, with D. immitis being largely responsible for the pulmonary infections in the U.S. and worldwide. In dogs, the adult worms live in the right side of the [...]
Case of the Week 42
Here is a special case in honor of Valentine’s day. The following section of lung was removed due to the presence of a nodule that mimicked a lung carcinoma. However, on sectioning and H&E staining, the following was seen. Identification?
Answer to Case of the Week 41
Answer: Pinworm (Enterobius vermicularis eggs).
A few of you noticed that I gave the answer away on the close up image! Thanks for writing in to let me know and share your thoughts.
As you all probably know, this is an extremely rare presentation of pinworm infection. Typically, deposition of eggs by the female work in [...]
Pathology 2.0 in the Literature
In December’s issue of the American Journal of Clinical Pathology there is an interesting editorial by Dr. Mark Wick that discusses Pathology 2.0 in reference to two articles in the journal. In summary, I think he feels there are uses in place for education and e-publications that are suitable and practical but thinks there [...]
Case of the Week 41
The following H&E stained histologic sections are from a rectal abscess in a 5 year old boy. Identification?
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