Creepy Dreadful Wonderful Parasites

The follow are images of an unstained intestinal biopsy that was "squashed" between 2 slides. Please identify the objects present...

Answer: Schistosoma mansoni eggs This case seemed to generate a lot of enthusiasm from the audience. Thank you all for the great comments...

Here is a special case in honor of Valentines day. The following section of lung was removed due to the presence of a nodule that mimicked ...

Answer: Dirofilaria immitis ; the Dog Heartworm Congratulations to everyone who wrote in with the correct answer to this case! Dirofilaria...

The following H&E stained histologic sections are from a rectal abscess in a 5 year old boy. Identification? (CLICK ON IMAGES TO ENLARG...

Answer: Pinworm ( Enterobius vermicularis eggs. A few of you noticed that I gave the answer away on the close up image! Thanks for writin...

The following peripheral blood film was obtained from a patient living in Missouri. Besides being an outdoorsman, he had traveled extensive...

Answer: Babesia spp. As I noted previously, this patient was from Missouri, and was found to have the newly described MO-1 strain. Notice...

A patient with recurrent high grade lymphoma on an extensive chemotherapeutic regimen presented with increasing shortness of breath and cons...

Answer: Amebic pneumonia; most likely due to Acanthamoeba spp. or Balamuthia mandrillaris . This is a rare manifestation of disease with ...