Data first. Decisions next

2–4 minutes
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Not a diagnosis or casual online advice. Three tools help organize symptoms, understand general clinical reference points and come to your appointment with useful information, rather than simply saying something feels wrong.

Stone navigator

What matters before choosing a treatment strategy

First, mark any warning symptoms. Then enter the information from your CT or ultrasound report. If you don't know something, leave it blank.

Step 1Are any red flags present now?

Step 2Stone information

Cross-sectional diagram of the kidney, calyces, renal pelvis, ureter and its entry into the bladder

SideNumberMaximum size, mmCT density, HU · optionalLocation

Step 3Factors that call for earlier medical attention

Calyceal dilatation or hydronephrosis

A solitary functioning kidneyPregnancy or possible pregnancyUrine output has decreased noticeably

Methodological basis

Verifiable medical communication

The guides explain findings based on current guidelines, but do not give a diagnosis, select an operation or prescribe medicines. Links open the primary documents on which the logic is based.