In recent years numerous applications have been developed with different purposes, aimed both at simplifying the lives of doctors and patients also within the urological field. In January 2020 we conducted a search in the Apple App Store and Google Play Store. A total of 521 apps were reviewed, an increase of 8 times as compared to the last complete available review of eight years ago. Most of the urological apps are geared towards the patient and provide information and services to improve the understanding and treatment of different diseases. Some of these apps also get the patient directly in touch with healthcare staff allowing for an improvement in doctor-patient communication. Although the usefulness of many of these tools is undoubted, the problem of scientific validation, content control and privacy are not yet solved.Although the usefulness of many of these tools is undoubted, the problem of scientific validation, content control and privacy are not yet solved. The aim of the study was to evaluate the frequency of occurrence of Chlamydia trachomatis (C.t.) DNA in the prostate material in the group of individuals with the chronic prostatitis. The study included 65 males aged between 47 and 68 years of age, reporting for transrectal prostate biopsy because of the elevated serum prostate-specific antigen concentration and/or abnormalities detected in prostate palpation per rectum. The urethral smear collection was performed in all the patients in order to detect C.t. DNA. After that, the transrectal prostate biopsy was performed (histopathology tests, C.t. DNA). Additionally, the levels of anti-C.t. IgG antibodies and anti-C.t. IgA antibodies were checked in the serum. The DNA isolation from prostate specimens was conducted with the use of the Chelex method, while the C.t. DNA detection - with the ligase chain reaction. Specific antibodies were detected with the use of the ELISA method. C.t. DNA in the prostate gland was found in 7 out of 65 men (10.8%). In urethral smear, C.t. was found in none of the individuals. Anti-C.t. IgA antibodies were detected in the serum of 16/65 (24.6%), while anti-C.t. IgG antibodies in 6/65 (9.2%) of the examined males. IgA antibodies were found in two and IgG in one out of the 7 men who had C.t. infection in the prostate. The presence of C.t. DNA in the prostate gland may be indicative of the role of chlamydia in the development of chronic prostatitis.The presence of C.t. DNA in the prostate gland may be indicative of the role of chlamydia in the development of chronic prostatitis. Percutaneous nephrolithotomy (PCNL) is the minimally invasive procedure of choice for the treatment of large and/or complex nephrolithiasis. Migration of residual fragments (RFs) into the ureter after PCNL is presumed to be uncommon. However, should associated stone-related events (SREs) occur, ancillary procedures may be required. The objective of this study was to describe the frequency and to analyze predictors of antegrade migration of RFs after PCNL. A case-control study of patients who underwent PCNL for nephrolithiasis and had a postoperative computed tomography available within 48 hours was performed. Descriptive statistics and logistic regression analysis were carried out. The final sample included 169 interventions. Mean age was 49 ±13 years, median maximum stone size was 26 (7 to 87) mm and mean stone density was 835 (70 to 2022) Hounsfield Units (HUs). 7.1% of the patients experienced migration of RFs into the ureter after PCNL, of whom 41.6% suffered SREs. Lithotripsy was performed using ulphrolithiasis and ≥1.68 mts of height were found to predict this event. In this study we aimed to determine the effects of the 45 degrees sided prone position to the surgeon's comfort, operation time, fluoroscopy time and complications at the operation of percutaneous nephrolithotomy (PCNL) for the treatment of kidney stone of horseshoe kidney (HK) or rotation anomaly kidney. Thirty eight patients (25 male, 13 female) with renal calculi and HK, underwent PCNL. After the amplatz sheath was inserted into the collecting system, the patients in group 1 (n20) were taken to the 45 degrees side position to the side of the operation and patients in group 2 (n18) were operated in classical prone position. Operative data of two groups were compared statistically. Mean stone size of group 1 was 557.8 ±244.8 mm (188-1175) and group 2 was 590.7 ±172.8 mm (423-909) (p = 0.639). In group 1 mean operation time was 78.6 ±21.8 (45-120) minutes and in group 2 was 95.05 ±11.5 (69-120) minutes. The difference for operation time was statistically significant and shorter in the sided group (p = 0.02). The working position of rigid nephroscope is 90 degrees to the body after the dorsomedial or dorsolateral access. In our study the position of patient is laterally sided 45 degree and the flexion on the surgeon's shoulder was minimised. This new position described for PCNL in HK allows comfortable working position for surgeon after upper pole posterior calyces access.The working position of rigid nephroscope is 90 degrees to the body after the dorsomedial or dorsolateral access. In our study the position of patient is laterally sided 45 degree and the flexion on the surgeon's shoulder was minimised. This new position described for PCNL in HK allows comfortable working position for surgeon after upper pole posterior calyces access. Diagnostic pressure on endoscopy suite can lead to delay in flexible cystoscopic stent removal. We compare the cost and organizational impact of reusable flexible cystoscope versus single-use, flexible cystoscope with a built-in stent grasper (Isiris ). Data for the reusable cystoscopic stent removal performed in endoscopy room, group A (period 1) were compared to Isiris disposable stent removal performed in outpatient clinic, group B (period 2). 2-Deoxycoelenterazine We chose the same calendar months in successive years for these two different groups (9 months each). A micro cost analysis was performed evaluating the impact on costs, complications and organizational benefit. A total of 72 patients (37, group A; 35, group B) were included with no significant differences in age and gender ratio. The mean procedure time was 14.4 and 2.2 minutes, and the mean stent dwell time was 26.8 and 15.4 days in groups A and B respectively (p <0.001). In group A, 5 patients (14%) developed stent encrustation, of which 3 needed a ureteroscopic removal subsequently.

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