C Matthew Hawkins1, Kamlesh Kukreja2, Timothy Singewald3, Eugene Minevich4, Neil D Johnson3, Pramod Reddy4, John M Racadio3. 1. Department of Radiology and Imaging Sciences, Emory University School of Medicine, 1364 Clifton Road, Atlanta, GA, 30322, USA. hawkcm@gmail.com. 2. Department of Radiology, Texas Children's Hospital, Houston, TX, USA. 3. Department of Radiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA. 4. Department of Urology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.
Abstract
BACKGROUND: Gaining access into non-dilated renal collecting systems for percutaneous nephrolithotripsy, particularly in patients with prohibitive body habitus and/or scoliosis, is often challenging using conventional techniques. OBJECTIVE: To evaluate the feasibility of cone-beam CT for percutaneous nephrostomy placement for subsequent percutaneous nephrolithotripsy in children and adolescents. MATERIALS AND METHODS: A retrospective review of percutaneous nephrostomy revealed use of cone-beam CT and 3-D guidance in 12 percutaneous nephrostomy procedures for 9 patients between 2006 and 2015. All cone-beam CT-guided percutaneous nephrostomies were for pre-lithotripsy access and all 12 were placed in non-dilated collecting systems. RESULTS: Technical success was 100%. There were no complications. CONCLUSION: Cone-beam CT with 3-D guidance is a technically feasible technique for percutaneous nephrostomy in children and adolescents, specifically for nephrolithotripsy access in non-dilated collecting systems.
BACKGROUND: Gaining access into non-dilated renal collecting systems for percutaneous nephrolithotripsy, particularly in patients with prohibitive body habitus and/or scoliosis, is often challenging using conventional techniques. OBJECTIVE: To evaluate the feasibility of cone-beam CT for percutaneous nephrostomy placement for subsequent percutaneous nephrolithotripsy in children and adolescents. MATERIALS AND METHODS: A retrospective review of percutaneous nephrostomy revealed use of cone-beam CT and 3-D guidance in 12 percutaneous nephrostomy procedures for 9 patients between 2006 and 2015. All cone-beam CT-guided percutaneous nephrostomies were for pre-lithotripsy access and all 12 were placed in non-dilated collecting systems. RESULTS: Technical success was 100%. There were no complications. CONCLUSION: Cone-beam CT with 3-D guidance is a technically feasible technique for percutaneous nephrostomy in children and adolescents, specifically for nephrolithotripsy access in non-dilated collecting systems.
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