STONE Nephrolithometry Score for Renal Calculi
Stone size, tract obstruction, nephrocalcinosis, and calyceal location → 0–13 for stone-free probability teaching bands.
Calculator
How it works
Simplified STONE nephrolithometry teaching score from stone size, obstruction, nephrocalcinosis, and location.
Limits
Does not replace surgeon judgment, stone composition, or patient factors. Full STONE systems may include additional radiologic variables.
Educational tool only—not for diagnosis or treatment decisions.