UTD – Urinary Tract Dilation
The UTD system was established by multidisciplinary consensus of eight societies (ACR, AIUM, ASPN, SFU, SMFM, SPU, SPR, SRU). In 2021, Nguyen and colleagues revised the original 2014 model with conceptual adjustments and practical clarifications.
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Interactive Checklist
Fill in the findings in order. The checklist applies UTD criteria and displays the classification automatically.