Classification of pediatric urinary tract dilation: the new language

Jeanne S. Chow, Jeffrey L. Koning, Susan J. Back, Hiep T. Nguyen, Andrew Phelps, Kassa Darge

Research output: Contribution to journalReview articlepeer-review

23 Scopus citations


The multidisciplinary consensus on the classification of prenatal and postnatal urinary tract dilation (UTD classification system) was created to unify the language used to describe urinary tract dilation on antenatal and postnatal ultrasound examinations and thereby facilitate communication among providers and improve outcomes research. The background and new classification system are described in this review, with imaging examples.

Original languageEnglish (US)
Pages (from-to)1109-1115
Number of pages7
JournalPediatric Radiology
Issue number9
StatePublished - Aug 1 2017
Externally publishedYes


  • Bladder
  • Children
  • Hydronephrosis
  • Kidney
  • Ultrasound
  • Ureter
  • Urinary tract

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Radiology Nuclear Medicine and imaging


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