Question:
Choose the correct pair from the options given below
Choose the correct pair from the options given below
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Kidney Stone Mineralogy: Calcium Oxalate ($pprox 75-80\%$) $\gg$ Calcium Phosphate ($pprox 10\%$) $\gg$ Struvite/Uric acid ($pprox 5-10\%$).
Updated On: Sep 4, 2026
- Crystal of CuSO4 - Renal casts
- Crystal of Calcium Oxalate - About 75% of kidney stones
- Crystal of HgCl2 - Fecalith
- Crystal of NaCl - Mucous cast
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept:
Urolithiasis and renal calculus mineralogy in veterinary and human clinical pathology.
Step 2: Detailed Explanation:
Evaluating renal and urinary pathology:
- Calcium Oxalate ($\text{CaC}_2\text{O}_4$) is by far the most prevalent crystalline constituent of nephrolithiasis (kidney stones), accounting for approximately 75% to 80% of all diagnosed renal calculi (as calcium oxalate monohydrate [whewellite] or dihydrate [weddellite]).
- The other pairs describe non-physiological laboratory salts ($ ext{CuSO}_4, ext{HgCl}_2$).
Step 3: Final Answer:
Therefore, the correct pair is Crystal of Calcium Oxalate - About 75% of kidney stones, corresponding to option (B).
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