Crystalluria is a medical condition where crystals are expelled into the urine.
Crystals in cat urine microscope.
Crystalluria often occurs as part of another condition.
There are three common crystals and stones in cats.
The microscopic crystals have the appearance of fine sand.
These crystals can be observed under low magnification particularly when seen in large number however low numbers may only be seen at higher magnification.
Struvite crystals are microscopic crystals that are found in the urine of some cats.
Though crystalluria isn t always indicative of an accompanying condition or illness such as a urinary tract infection or kidney stones the formation of crystals puts the cat at an increased risk of these problems.
The development of crystals and stones is mostly dependent upon the ph of the urine and the concentration of minerals in the urine.
It appears that some diets may increase the risk of a cat developing urinary crystals stones and urethral plugs.
Some normal animals can have crystals in their urine although sometimes they are indicative of an underlying issue especially if present in large numbers or accompanied by urinary symptoms.
Struvite oxalate and urate.
Struvite specifically is a material that is composed of magnesium ammonium and phosphate.
In some urine samples they do not have irregular protrusions but have smooth borders and can resemble calcium carbonate although these do not occur in the urine from dogs and cats.