What is it about?
Bacterial imprints are always observed on highly carbonated apatite kidney stones but not struvite kidney stones. Struvite and carbonated apatite stones with a high CO3 2–/PO4 3– rate are believed to develop from infections, but their structural differences at the mesoscopic scale lack explanation.
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Why is it important?
Bacterial imprints may appear more easily on kidney stones with small nanocrystals, such as carbonated apatite than with large nanocrystals, such as struvite. This approach may help identify bacteria contributing to stone formation, perhaps with negative results of urine culture.
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This page is a summary of: Absence of Bacterial Imprints on Struvite-containing Kidney Stones: A Structural Investigation at the Mesoscopic and Atomic Scale, Urology, April 2012, Elsevier,
DOI: 10.1016/j.urology.2011.08.054.
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