Welcome to Classifications and Online Calculators in Radiology
to support your knowledge in radiology.
You will find here:
- 115 pages and counting
- Classifications
- Online calculators
- Tables
Moreover:
- Some pages are accompanied by illustrations
- All pages contain tags for easy navigation
The concept
The concept of this website is based on a previous site that was founded in 2008 and is still up and running. The website is composed as a book, where all sources are properly referenced, according to a good practice in scientific publications.Didn't find a classification?
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Hydronephrosis - grading of dilatation of hydronephrosis
Hydronephrosis is commonly divided into four grades according to dilation of the pelvicalyceal system and cortical thinning that can be visualised on ultrasound, CT and MRI.
| Grade | Description |
|---|---|
| Grade I | dilation of the renal pelvis without dilatation of the calices |
| Grade II | dilation of the renal pevis and calices, that become convex; no signs of cortical thinning |
| Grade III | presence of cortical thinning |
| Grade IV | massive dilation of the real pelvis and calices, severe cortical thinning |
References:
1. Beetz R, Bökenkamp A, Brandis M, Hoyer P, John U, Kemper MJ, et al. [Diagnosis of congenital dilatation of the urinary tract. Consensus Group of the Pediatric Nephrology Working Society in cooperation with the Pediatric Urology Working Group of the German Society of Urology and with the Pediatric Urology Working Society in the Germany Society of Pediatric Surgery]. Urologe A. 2001 Nov;40(6):495–507; quiz 508–509
2. Quaia E. Radiological Imaging of the Kidney. Springer; 2011:354
3. Kim S-Y, Kim M-J, Yoon CS, Lee MS, Han KH, Lee M-J. Comparison of the reliability of two hydronephrosis grading systems: the Society for Foetal Urology grading system vs. the Onen grading system. Clin Radiol. 2013 Sep;68(9):e484–490.
