University of Minnesota: Mysterious New Stone Type In Cats
University of Minnesota College of Veterinary Medicine: Mysterious New Stone Type in Cats
August 2023
Between January and April of 2023, the Minnesota Urolith Center received three atypical stone submissions. All three samples were retrieved from cats. All three cats were less than 1 year old. The cats were from North and South America. In each case, the stones’ infrared spectrographic pattern was identical. Typically, urinary stones contain high amounts of phosphorus, calcium and magnesium. In these cases, electron dispersion spectroscopy identified high proportions of nitrogen, carbon and oxygen.
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