Pediatr. praxi. 2020;21(3):168-172 | DOI: 10.36290/ped.2020.034

New "UTD classification" of hydronephrosis and comparison with SFU classification

MUDr. Hana Flögelová, Ph.D.1, MUDr. Lenka Bakaj-Zbrožková, Ph.D.2, MUDr. Zuzana Seifriedová3
1 Dětská klinika, Lékařská fakulta Univerzity Palackého, Fakultní nemocnice Olomouc
2 Radiologická klinika, Fakultní nemocnice Olomouc
3 Urologická klinika, Lékařská fakulta Univerzity Palackého a Fakultní nemocnice Olomouc

Prenatal and postnatal ultrasound (US) screening has improved the early detection of renal and urinary disorders. The most commonly identified organ abnormality is pelvicalyceal dilatation (PCD) - hydronephrosis. Apart from pediatric nephrologists and urologists, virtually all general pediatricians care for children with PCD. To determine the severity of PCD, various scales are used; in the Czech Republic, the SFU grading system has been most commonly used for postnatal PCD. The paper introduces the UTD classification of urinary tract dilatation, a novel international system including both prenatal and postnatal US findings. It explains the advantages and disadvantages of the classification as well as the conversion from the SFU to the UTD system. Short case reports demonstrate the proper timing of diagnosis with respect to different grades of urinary tract dilatation.

Keywords: hydronephrosis, UTD classification system, SFU grading of hydronephrosis.

Published: June 3, 2020  Show citation

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Flögelová H, Bakaj-Zbrožková L, Seifriedová Z. New "UTD classification" of hydronephrosis and comparison with SFU classification. Pediatr. praxi. 2020;21(3):168-172. doi: 10.36290/ped.2020.034.
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    References

    1. Fernbach SK, Maizels M, Conway JJ. Ultrasound grading of hydronephrosis: introduction to the system used by the Society for Fetal Urology. Pediatr Radiol 1993; 23: 478-480. Go to original source... Go to PubMed...
    2. Nguyen HT, Benson CB, Bromley B et al. Multidisciplinary consensus of the classification of the prenatal and postnatal urinary tract dilation (UTD classification system). Journal of Pediatric Urology 2014; 10: 982-999. Go to original source... Go to PubMed...
    3. Chow JS, Koning JL, Back SJ et al. Classification of pediatric urinary tract dilation: the new language. Pediatr Radiol 2017; 47: 1109-1115. Go to original source... Go to PubMed...
    4. Oswald J, Haid B. Congenital Urinary Tract Dilatation and Obstructive Uropathy. In: Riccabona M. (eds) Pediatric Urogenital Radiology. Medical Radiology. Third edition, Springer 2018; Cham: 243-253. Go to original source...

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