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OBJECTIVES To evaluate the potential of (11)C-choline-positron emission tomography (PET)/computed tomography (CT) for planning surgery in patients with prostate cancer and prostate-specific antigen (PSA) relapse after treatment with curative intent. PATIENTS AND METHODS We retrospectively reviewed the charts of 10 patients with PSA recurrence after either(More)
UNLABELLED Study Type--Therapy (case series) Level of Evidence 4. What's known on the subject? and What does the study add? The minimally invasive percutaneous nephrolitholapaxy (MIP) has shown high efficacy and safety for the management of small renal stones. It was initially developed to overcome a gap between the minimally invasive extracorporeal(More)
PURPOSE To retrospectively evaluate radiation dose, image quality, and the ability to differentiate urinary calculi of differing compositions by using low-dose dual-energy computed tomography (CT). MATERIALS AND METHODS The institutional review board approved this retrospective study; informed consent was waived. A low-dose dual-energy CT protocol (tube(More)
PURPOSE There is a lack of studies comparing shock wave lithotripsy (SWL), retrograde intrarenal surgery (RIRS) and minimally invasive percutaneous nephrolithotomy (MIP) in renal stone treatment. This study compared treatment outcome, stone-free rate (SFR) and stone-free survival (SFS) with regard to stone size and localization. METHODS This analysis(More)
OBJECTIVE To compare the safety and efficacy of minimally invasive percutaneous nephrolitholapaxy (MIP) between small (<2 cm) and large (>2 cm) renal calculi, because although MIP has proved its efficacy in small lower caliceal stones, the efficacy in large renal calculi has been questioned. MATERIALS AND METHODS The data from 191 consecutive minimally(More)
Heuristic concentration (HC) is a two-stage metaheuristic that can be applied to a wide variety of combinatorial problems. It is particularly suited to location problems in which the number of facilities is given in advance. In such settings, the ®rst stage of HC repeatedly applies some random-start interchange (or other) heuristic to produce a number of(More)
OBJECTIVES To investigate the outcomes using gelatine matrix hemostatic sealant to close the tract after mini-percutaneous nephrolithotomy (mini-PCNL), resulting in a tubeless setting. METHODS After complete stone removal after mini-PCNL, a double-J ureteral stent was placed in an antegrade manner. After withdrawing the 17F Amplatz sheet from the(More)