SFU hydronephrosis grading
Nephrology and urology
Also known as: SFU-Graduierung der Hydronephrose · SFU hidronefroz derecelendirmesi · Society for Fetal Urology (SFU) hydronephrosis grading
What it is for
Ultrasound grading of hydronephrosis in fetuses, neonates and infants by the appearance of the renal pelvis, calyces and parenchyma.
Classification
| Category | Description |
|---|---|
| Grade 0 | no hydronephrosis. |
| Grade 1 | only the renal pelvis is visible (mild pelvic dilatation). |
| Grade 2 | renal pelvis dilated and a few, but not all, calyces visible. |
| Grade 3 | virtually all calyces dilated; parenchymal thickness preserved. |
| Grade 4 | as grade 3, with thinning of the renal parenchyma. |
Source
Ultrasound grading of hydronephrosis: introduction to the system used by the Society for Fetal Urology
Society for Fetal Urology · Pediatr Radiol 1993;23:478–480 (Fernbach SK et al.)
DOI: 10.1007/BF02012459
PMID: 8255658
- Edition
- SFU 1993 (still widely used; the 2014 multidisciplinary urinary tract dilation (UTD) classification is the newer alternative)
- Checked on
Summary of the published classification in our own words. Not a substitute for the original publication.
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