Renal length nomogram in Hong Kong Asian children: sonographic measurement and multivariable approach.

Aim: The purpose of our study was to build a multiple renal length nomogram for Hong Kong Asian children based on normal renal ultrasonography.

Methods: All children below the age of 13 years, who underwent ultrasonography in a local Hospital in Hong Kong from 23 September 2008 to 31 January 2009 due to melamine exposure were identified.

Results: A total of 3031 normal children were identified.