Classification and standardized reporting of percutaneous nephrolithotomy (PCNL): International Alliance of Urolithiasis (IAU) Consensus Statements.

Background: The aim of this study was to reach a consensus in the classification and standardized reporting for the different types of PCNLs.

Methods: The RAND/UCLA appropriateness methodology was used to reach a consensus. Thirty-two statements were formulated reviewing the literature on guidelines and consensus on PCNLs, and included procedure specific details, outcome measurements and a classification for PCNLs.

Urinary glycosaminoglycan excretion during the menstrual cycle in normal young women.

Purpose: We investigated whether the menstrual cycle affects urinary glycosaminoglycan (GAG) excretion in normal young women.

Materials And Methods: Urine samples from 10 healthy women 19 to 21 years old were collected daily during the whole menstrual cycle. Concentration of total urinary GAG was assessed as mug hexuronic acid per mg creatinine.