Babesia

Babesia 4 (Babsia canis 3) ARROWS
Babesia canis. Canine.

Morphology: single or multiple pear-shaped (pyriform) organisms within red blood cells. Organisms stain dark purple around the periphery and clear in the centre.

Look alike: Histoplasma capsulatum

Commonly seen with: other tick-borne rickettsial organisms (ie. Ehrlichia, Mycoplasma, Anaplasma).

Clinical relevance: Babesia sp. are parasitic protozoa that infect erythrocytes of dogs, cats, horses, sheep, and cattle. Causes hemolytic anemia and coagulopathy (ie. disseminated intravascular coagulation).

Babesia 1 (Babesia felis) ARROWS
Babesia felis (arrows). Howell-Jolly body (arrowhead). Feline.
Babesia 2 (Babsia canis 1) ARROWS
Babesia canis. Canine.
Babesia 3 (Babsia canis 2) ARROWS
Babesia canis. Canine. 
Babesia 5 (Babsia bovis 1) ARROWS
Babesia bovis (arrows). Refractile staining artifact (asterisks) in some erythrocytes. Bovine.
Babesia 6 (Babsia bovis 2) ARROWS
Babesia bovis with intracellular organisms (arrows) and extracellular organisms (arrowhead). Refractile staining artifact (asterisks) in some erythrocytes. Bovine.
Babesia 7 (Theileria equi) ARROWS
Theileria equi. Equine.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s