Publications by authors named "Akos Pytel"

Purpose: To report 8-year clinical outcome with high-dose-rate brachytherapy (HDRBT) boost using MRI-only workflow for intermediate (IR) and high-risk (HR) prostate cancer (PC) patients.

Methods And Materials: Fifty-two patients were treated with 46-60 Gy of 3D conformal radiotherapy preceded and/or followed by a single dose of 8-10 Gy MRI-guided HDRBT. Interventions were performed in a 0.

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Percutaneous tibial nerve stimulation (PTNS) is a minimally invasive, safe and well-tolerated neuromodulation technique for the lower urinary tract dysfunctions. PTNS delivers neuromodulation to the pelvic floor through the S2-4 junction of the sacral nerve plexus via the route of the posterior tibial nerve. Using the fine needle electrode insertion above the ankle, the tibial nerve is accessed, which connected to the stimulator.

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To compare long-term overall survival (OS) in patients with G1 and G2 grade Ta bladder cancer after transurethral resection of bladder tumors (TURBTs). Secondary aim was to investigate clinical and pathologic prognostic factors for OS of Ta patients, except G3/high grade (HG).A total of 243 patients, retrospectively selected, with Ta nonmuscle invasive bladder cancer (NMIBC) underwent TURBT between January 2006 and December 2008 (median follow-up 109 months).

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Although conventional white light endoscopy (WLE) is currently the gold standard for diagnosing bladder tumors, rates of false negative results and residual tumors after transurethral resection are relatively high. The goal of the present clinical study is to investigate whether using new water soluble hypericin (PVP-hypericin) as a fluorescent dye improves bladder cancer detection and diagnosis. Following instillation of PVP-hypericin (total amount of 0.

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Objectives: To assess the value of transition zone and lateral sextant biopsies for the detection of prostate cancer after a previous sextant biopsy was negative.

Methods: A total of 74 prostates after radical prostatectomy were used to perform biopsies ex vivo. First, a sextant biopsy was taken, then two different rebiopsy techniques were performed.

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Objectives: To establish a new diagnostic method for the detection and follow-up of bladder cancer that combines the principles of photodynamic diagnosis and urinary cytology.

Methods: We investigated 46 patients scheduled for transurethral resection of a bladder tumor immediately before the resection was carried out. After intravesical instillation of either 5-aminolevulinic acid (ALA) or hypericin, urinary cytology specimens were obtained.

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