title: 'Mini, ultra, micro' - nomenclature and cost of these new minimally invasive percutaneous nephrolithotomy (PCNL) techniques.
abstract: New minimally invasive percutaneous nephrolithotomy (PCNL) techniques have changed the management of renal stones. We discuss the technological advances in PCNL and explain the meaning, requirements and set up costs for each of these 'newer' techniques.
authors.affiliation: Department of Urology, The Royal Wolverhampton Hospital NHS Trust, UK.
authors.forename: Anna
authors.initials: A
authors.lastname: Wright
authors.affiliation: Department of Urology, The Royal Wolverhampton Hospital NHS Trust, UK.
authors.forename: Nick
authors.initials: N
authors.lastname: Rukin
authors.affiliation: Department of Urology, University College London, UK.
authors.forename: Daron
authors.initials: D
authors.lastname: Smith
authors.affiliation: Department of Urology, AMC University Hospital, The Netherlands.
authors.forename: Jean
authors.initials: J
authors.lastname: De la Rosette
authors.affiliation: Department of Urology, University Hospital Southampton NHS Trust, Tremona Road, Southampton, SO16 6YD, UK.
authors.forename: Bhaskar K
authors.initials: BK
authors.lastname: Somani
keywords: PCNL; calculi; cost; micro; mini; minimally invasive; percutaneous; ultramini; urolithiasis