An unexpected finding...
An apparently healthy shelter kitten was presented for routine ovariohysterectomy. While performing pre-surgical baseline labs the referring veterinarian found this egg on urinalysis. All other lab work was normal and the physical exam was unremarkable.
This is an egg of Pearsonmea, the bladder worm of cats and dogs. Eggs have the typical capillarid appearance being barrel or lemon shaped with two bipolar plugs and a rough shell. Focusing on the shell wall reveals a characteristic thick globular pattern of ridges, as depicted in the image below.
Special thanks to Dr. Jeba Jeba Jesudoss Chelladurai BVSc, MS, DACVM (Parasit) at Iowa State University for providing this case.
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