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Updated: Jan 16, 2026

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Published on: December 20, 2024
Variation coefficient of stone density - can it crack the stone?
1Department of Pediatric Surgery, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry 605006, India. kkpeds@gmail.com.
Abstract:
Extracorporeal shock wave lithotripsy (ESWL) is recognised as the ideal non-invasive procedure for urolithiasis. However, the suitability of ESWL varies depending on the composition of the stone. The chemical structure of the stone may not be uniform throughout the stone and this heterogeneity provides the clue in the form of variation coefficient of stone density. To be aware of the success of the stone breakage by ESWL is an advantage upfront, so that it is possible to apply the technology to the most appropriate patient. This is an important aspect in the successful management of urolithiasis.
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