The Role of Thrombocyte/Lymphocyte Ratio and Aspartate Transaminase/Alanine Transaminase (De Ritis) Ratio in Prediction of Recurrence and Progression in Non-muscle Invasive Bladder Cancer.

AIM: The purpose of the study was to determine the predictive value of platelet-to-lymphocyte ratio (PLR) and Aspartate transaminase (AST)/alanine transaminase (ALT) ratio (De Ritis ratio) for recurrence and progression in non-muscle-invasive bladder cancer (NMIBC). METHODS: A total of 231 patients who underwent transurethral tumor resection between 2016 and 2022 were retrospectively analyzed. Preoperative test results, including AST, ALT, platelet, and lymphocyte counts, were used to calculate the PLR and De Ritis ratio. Univariate and multivariate analyses were performed to identify the predictive factors associated with recurrence and progression. RESULTS: Based on the ROC curve, 1.19 and 1.21 were identified as the optimal cut-off values of the De Ritis ratio for recurrence and progression, respectively. Furthermore, PLR cut-off values for recurrence and progression were 114 and 118, respectively. There is a significant difference in recurrence-free survival (RFS) and progression-free survival (PFS) between the groups of patients with high and low De Ritis ratios (p = 0.028 and p = 0.021, respectively). In multivariate analysis, De Ritis ratio ≥ 1.19 and European Organization for Research and Treatment of Cancer (EORTC) high recurrence risk were determined to be significant predictors of tumor recurrence. Multivariate analysis also determined that T1 pathological stage, high tumor grade, European Organization for Research and Treatment of Cancer (EORTC) high progression risk, and De Ritis ratio ≥ 1.21 were risk factors for tumor progression. CONCLUSION: In our study, the preoperative De Ritis ratio represented an independent predictive factor for recurrence and progression in non-muscle invasive bladder cancer. The use of this biomarker in combination with other diagnostic/predictive tools might help urologists improve the clinical decision-making process in the future.

Enhanced Recovery After Surgery (ERAS) Reduces Hospital Costs and Length of Hospital Stay in Radical Cystectomy: A Prospective Randomized Controlled Study.

Enhanced recovery after surgery (ERAS) protocols challenge the conventional and rigid methods of surgery and anesthesia and bring about novel changes that are quite drastic. The core principle of the protocol is to minimize the metabolic disturbance caused by surgical injury, facilitate the restoration of functions in a brief period, and promote the resumption of normal activity at the earliest. To compare the outcomes of ERAS and standard protocol for patients who have undergone radical cystectomy (RC) with ileal conduit urinary diversion. This prospective randomized controlled study was performed between 2015 and 2023. The 77 patients were divided into two groups ERAS (n=39) and Standard (n=38) by sequential randomization. These two groups are divided according to protocols of bowel preparation, anesthesia, and postoperative nutrition. The clinical and demographic characteristics of the patients, and the American Society of Anesthesiologists (ASA) and Eastern Cooperative Oncology Group (ECOG) scores were recorded. Perioperative findings, the degree of complications according to the Clavien-Dindo classification, and the total cost of treatment were recorded and analyzed. Length of hospital stay (18.82±9.25 day vs 27.34±15.05 day), and cost of treatment (2168,2±933$ 2879±1806$) were higher in the standard group. The rate of nausea and vomiting and the use of antiemetics were higher in the ERAS group compared to the standard group. In patients undergoing RC, the ERAS protocol was found to shorten the duration of hospitalization and reduce the total cost of hospital stay.

Lower urinary tract symptoms and toileting behaviors in Turkish adult women.

This study aimed to investigate lower urinary tract symptoms (LUTS) in Turkish adult women and to compare toileting behaviors in women with and without LUTS. This cross-sectional study was conducted in 815 women. The International Consultation on Incontinence Modular Questionnaire - Female LUTS and a toileting behaviors form, created by the authors, were used in evaluations. Nearly 50 % of the women had at least one LUTS, 45.8 % had storage symptoms, 7.4 % had voiding symptoms, and 20.2 % had incontinence symptoms. The rates of premature urination, straining during urination, delayed urination, and sitting on the toilet while urinating were higher in women with LUTS than in women without LUTS (p < .05). The rate of squatting on the toilet while urinating was lower in women with LUTS than those without LUTS (p < .05). Various LUTS were common in adult women. Some toileting behaviors such as premature urination, straining during urination, delayed urination, and sitting on the toilet while urinating were higher in women with LUTS compared to women without LUTS. Since the rate of unhealthy toilet behaviors is higher in women with LUTS, it is important to know unhealthy toilet behaviors in the management of LUTS and to organize training programs to prevent these behaviors and LUTS.

Predictive value of Prognostic Nutritional Index (PNI) for the severity of vasculogenic erectile dysfunction.

PURPOSE: Our aim was to investigate the association of prognostic nutritional index (PNI) score with erectile dysfunction (ED), therefore, we prospectively evaluated the relationship between penile doppler ultrasonography (PDU) findings, PNI and Sexual Health Inventory for Men (SHIM) scores in patients with ED. METHODS: A total of 414 patients' characteristics, laboratory findings, SHIM and PNI scores were recorded. The PNI is calculated using the formula: 10 × serum albumin + 0.005 × total lymphocyte count. PDU was performed in patients with a SHIM score of 17 and below, while patients with a SHIM score ≥ 18 were recruited for the control group. Correlation analysis was performed to evaluate the relationship between PNI, SHIM scores and PDU parameters. The predictive value of variables for severe ED was assessed with regression analysis. RESULTS: A significant difference was demonstrated between the ED subgroups and control group for total cholesterol (p = 0.04), serum albumin (p = 0.03), total lymphocyte count (p = 0.02), BDI score (p < 0.001), and PNI score (p = 0.03). A strong positive correlation between PNI score and PSV (rho = 0.73; p = 0.001), a moderate negative correlation between PNI score and EDV (rho = - 0.54; p = 0.02), and a moderate positive correlation between PNI and SHIM scores (rho = 0.61; p = 0.02) were demonstrated. PNI score ≤ 40 (OR: 3.49; p = 0.01), age (OR: 2.15; p = 0.03) and total cholesterol (OR: 2.03; p = 0.04) were determined as significant predictors of severe ED in multivariate analysis. CONCLUSION: Our results demonstrated that PNI score is significantly lower in patients with severe and moderate ED. It has been also revealed that the PNI score is an independent predictive factor for severe ED.

Controlling nutritional status score in predicting International Society of Urological Pathology score upgrading and biochemical recurrence after radical prostatectomy.

AIM: The aim of our study was to assess the predictive value of controlling nutritional status (CONUT) score for the prognosis of prostate cancer. METHODS: A total of 257 patients' characteristics, prostate-specific antigen (PSA) values, biopsy, and pathological specimen features were all recorded. The CONUT score was calculated for each patient from three blood parameters: total lymphocyte count (TLC), serum albumin, and cholesterol concentrations. Spearman's correlation coefficient was used to assess the correlation between the total CONUT score and the variables including age, body mass index, prostate volume, PSA, biopsy and pathological specimen features, and PSA-recurrence free survival (PSA-RFS) time. The Kaplan-Meier method and log-rank test were used for PSA-RFS analysis. Regression analyses were performed to assess the association between clinicopathological factors, the International Society of Urological Pathology (ISUP) upgrading, and biochemical recurrence (BCR). RESULTS: Statistically significant differences were determined in pathologic ISUP grade, and total tumor volume between low and high CONUT score groups. Additionally, the high CONUT score group had a significantly higher BCR rate and lower PSA-RFS when compared with the low CONUT score group. A strong positive correlation between total CONUT score and pathologic ISUP grade and a moderate negative correlation between total CONUT score and PSA-RFS was determined. In multivariate analysis, a total CONUT score ≥2 had a statistically significant association with ISUP upgrading (odds ratio [OR] = 3.05) and BCR (3.52). CONCLUSION: Preoperative CONUT score is an independent predictive factor for ISUP score upgrading and BCR in patients who undergo radical prostatectomy.

Predictive value of Controlling Nutritional Status score and Prognostic Nutritional Index for systemic inflammatory response syndrome/sepsis after percutaneous nephrolithotomy.

PURPOSE: Our aim was to investigate the predictive value of Controlling Nutritional Status (CONUT) score and Prognostic Nutritional Index (PNI) for systemic inflammatory response syndrome (SIRS)/sepsis after percutaneous nephrolithotomy (PNL). METHODS: Demographic and clinical data of 422 patients who underwent PNL were evaluated. The CONUT score was calculated from lymphocyte count, serum albumin, and cholesterol, while the PNI was calculated using lymphocyte count and serum albumin. Spearman's correlation coefficient was used to evaluate the relationship between nutritional scores and systemic inflammation markers. Logistic regression analysis was performed to determine the risk factors for SIRS/sepsis development after PNL. RESULTS: Patients with SIRS/sepsis had a significantly higher preoperative CONUT score and lower PNI compared with the SIRS/sepsis (-) group. A positive significant correlation between CONUT score and CRP (rho = 0.75), CONUT score and procalcitonin (rho = 0.36), and CONUT score and WBC (rho = 0.23) were determined. Additionally, a negative significant correlation was shown between PNI and procalcitonin (rho = - 0.30) and PNI and CRP (rho = - 0.64). The ROC curve analysis showed that the cut-off values for the CONUT score and PNI were 4 (AUC = 0.827) and 42 (AUC = 0.734), respectively. Age, stone size, history of pyelonephritis, residual stone, presence of infection stone, CONUT score ≥ 4, and PNI ≤ 42 were found to be independent predictors for postoperative SIRS/sepsis in multivariate analysis. CONCLUSION: Our results demonstrated that preoperative CONUT score and PNI are potential predictive factors for SIRS/sepsis development after PNL. Therefore, patients with CONUT score ≥ 4 and PNI ≤ 42 are suggested to be closely monitoring due to the risk of post-PNL SIRS/sepsis.

The use of natural killer cell activity and PPD test in the prediction of results in intravesical BCG treatment of patients with nonmuscle-invasive bladder cancer.

PURPOSE: To predict the efficacy of intravesical BCG therapy in patients with nonmuscle-invasive bladder tumors (NIBC) by using components of the cellular immune response such as the tuberculin skin test (PPD) and natural killer (NK) activity measurement. METHODS: Ninety-nine patients who were started on intravesical BCG therapy for NIBC were evaluated prospectively. Patients who were included in the intermediate, high, and very high-risk groups according to the EAU NMIBC Scoring System and who had never received intravesical BCG therapy previously were included. The clinical and demographic characteristics of the patients (age, gender, EAU NMBIC risk group, EORTC progression and recurrence scores, CUETO progression and recurrence scores, presence and types of comorbidity) were recorded. NK activity was measured and the PPD test was applied 3 days before the start of intravesical BCG therapy. The results of PPD were measured in millimeters 72 h after the test. RESULTS: PPD values measured before BCG treatment, as an independent variable, were found to be significantly lower in patients with recurrence. A significant correlation was detected between NK activity results obtained before BCG treatment and recurrence after treatment, when the cutoff was 200-500 pg/dl. There was no significant relationship between the time to recurrence and PPD and NKA measurements. CONCLUSION: We conclude that the results of PPD test and NK activity measurement performed before starting intravesical BCG therapy in NIBC may be a marker that can be used to predict the risk of recurrence under treatment.

Effects of Pelvic Floor Muscle Training on Sexual Dysfunction, Sexual Satisfaction of Partners, Urinary Symptoms, and Pelvic Floor Muscle Strength in Women With Overactive Bladder: A Randomized Controlled Study.

BACKGROUND: In women with overactive bladder (OAB), sexual dysfunctions and sexual satisfaction of their partners have been problems that are as important as urinary symptoms. AIM: To investigate the effects of pelvic floor muscle training (PFMT) on sexual dysfunction, sexual satisfaction of partners, urinary symptoms, and pelvic floor muscle strength (PFMS) in women with OAB. METHODS: Women with OAB were randomized into 2 groups: 6-week PFMT (n = 21) (home exercise program) and a control group (n = 22) (did not receive any treatment for OAB). OUTCOMES: Sexual dysfunction, sexual satisfaction of partner, urinary symptoms, and PFMS were assessed at baseline and after 6 weeks with the Female Sexual Function Index (FSFI), a Visual Analogue Scale (VAS), the OAB-Version8 (OAB-V8), and the Modified Oxford Scale (MOS), respectively. RESULTS: After 6 weeks, there was an increase in FSFI domains [desire (95% CI: 0.18 to 0.64; P:.001, d: 0.88); arousal (95% CI: 0.42 to 1.24, P:<.001, d: 1.17); orgasm (95% CI:0.85 to 1.47; P:<.001, d:1.89); satisfaction (95% CI: 0.85 to 1.44; P:<.001, d: 2.29); sexual pain (95% CI:0.80 to 1.52; P:<.001, d:1.47); total score (95% CI: 3.70 to 5.94; P:<.001, d: 2.55)], sexual satisfaction of partners (95% CI: 1.80 to 2.85; P:<.001, d:2.83) and PFMS scores (95% CI: 1.10 to 1.55; P:<.001, d:3.18), and a decrease in the OAB-V8 score (95% CI: -13.01 to -7.10; P:<.001, d:2.19) in the PFMT group compared to the control group. There was a significant decrease in sexual dysfunction in the PFMT group compared to the control group (P:.046). CLINICAL IMPLICATIONS: In order to improve sexual function, sexual satisfaction of the partners, urinary symptoms, and PFMS in women with OAB, PFMT should be added to the rehabilitation program in clinics. STRENGTHS & LIMITATIONS: The strength of this study was that it is a randomized controlled trial investigating the effect of PFMT in improving sexual function in OAB. The limitations of our study were the lack of a long-term (6 months-1 year) follow-up and the inability to blind. CONCLUSION: PFMT was effective in improving sexual dysfunction, sexual satisfaction of partners, urinary symptoms, and PFMS in women with OAB. Celenay ST, Karaaslan Y, Ozdemir E. Effects of Pelvic Floor Muscle Training on Sexual Dysfunction, Sexual Satisfaction of Partners, Urinary Symptoms, and Pelvic Floor Muscle Strength in Women With Overactive Bladder: A Randomized Controlled Study. J Sex Med 2022;19:1421-1430.

Does YouTube include high-quality resources for training on laparoscopic and robotic radical prostatectomy?

PURPOSE: Our aim was to assess the educational quality of the YouTube video content related to laparoscopic and robotic radical prostatectomy (RP). METHODS: An objective scoring tool named as Prostatectomy Assessment and Competency Evaluation (PACE) score was used to measure and quantify seven critical steps in RP including bladder drop, preparation of the prostate, bladder neck dissection, posterior/seminal vesicle dissection, neurovascular bundle preservation, apical dissection, and urethro-vesical anastomosis. A five-point scale was used for grading the seven steps, where a score of 1 and 5 represented the lowest and ideal performance, respectively. Additionally, descriptive statistics including the upload time, video length, view count, number of comments, likes, and dislikes were all recorded. RESULTS: Of the 1688 videos (551 from laparoscopic RP, 567 from robotic RP, and 570 from robot-assisted RP), 226 videos were analyzed after excluding duplicate and irrelevant videos. Robotic/robot-assisted RP videos were found to be statistically longer than laparoscopic RP videos (p = 0.016). The PACE score of urethro-vesical anastomosis step in robotic RP videos was statistically higher than laparoscopic RP videos (p = 0.021). A weak but significant positive correlation between the video length and total PACE score (rho: 0.51; p = 0.04 for laparoscopic RP and rho: 0.43; p = 0.03 for robotic/robot-assisted RP) was found. A weak but positive correlation was also determined between number of likes and total PACE score (rho: 0.39; p = 0.02) for robotic/robot-assisted RP videos. CONCLUSIONS: Although YouTube website includes high-quality videos for both laparoscopic and robotic/robot-assisted RP, there is no objective parameter to predict the educational quality of the videos.

Outcomes of intravesical chondroitin-sulfate and combined hyaluronic-acid/chondroitin-sulfate therapy on female sexual function in bladder pain syndrome.

INTRODUCTION AND HYPOTHESIS: Our aim was to determine the efficacy of intravesical chondroitin sulfate (CS) and combined hyaluronic acid/chondroitin sufate (HA/CS) treatment and their effects on sexual function of females with interstitial cystitis/bladder pain syndrome (IC/BPS). METHODS: A total of 68 female patients with IC/BPS between 2012 and 2018 were reviewed. Thirty-three patients were treated with combined HA/CS and 28 patients were treated with CS. Instillations were performed weekly for the first month, biweekly for the second month, and monthly in the third and fourth months. Before and after the sixth month of the treatment, all patients were evaluated with the Female Sexual Function Index (FSFI), visual analog pain scale (VAS), interstitial cystitis symptom index (ICSI), interstitial cystitis problem index (ICPI), and voiding diary, and changes were recorded. RESULTS: A statistically significant improvement was determined for FSFI, VAS, ICSI, and ICPI scores after treatment in both groups. Among baseline characteristics, a weak but significant negative correlation was determined only between the ICSI score improvement and age (rho: -0.38; p = 0.03) on statistical analysis. Compared with CS, combined HA/CS treatment was superior in terms of ICSI, ICPI, and daytime and nighttime frequency improvement (0.042, 0.038, 0.039, and 0.045; respectively). All domains of the sexual function index were significantly improved at the sixth month of intravesical therapy in both groups. A statistical difference was not found between the two groups. CONCLUSIONS: Although it seems that intravesical HA/CS combination is superior to CS alone in terms of symptom reduction, both of them have beneficial effects on sexual function.

Is obstructive sleep apnea syndrome related to nocturia?

OBJECTIVE: The aim of this study was to investigate the relationship between obstructive sleep apnea syndrome (OSAS) and lower urinary tract symptoms (LUTS) in patients with benign prostatic hyperplasia (BPH). METHODS: This multicenter study was performed on 122 male patients with dyspnea and/or sleep disorder. Patient characteristics were recorded. All patients underwent full-night polysomnography, and the apnea-hypopnea index (AHI) was calculated. LUTS were evaluated using the International Prostate Symptom Score (IPSS) and prostate volume was calculated by transabdominal ultrasonography. Based on the AHI, patients were classified as normal or as having mild, moderate, or severe OSAS. Regression analyses were performed to identify independent predictive factors associated with nocturia. RESULTS: Severe, moderate, and mild OSAS was present in 53, nine, and 46 patients, respectively, where 14 patients with dyspnea and sleep disorder were classified as normal. There were no significant differences between the severe and mild OSAS groups with regard to age, body mass index, systolic and diastolic blood pressure, smoking history, fluid intake, and serum creatinine and glucose concentrations. However, there was a significant difference between two groups in AHI (P < 0.001), nocturia (P < 0.001), and nocturnal voided volume (P = 0.011). Univariate and multivariate analyses revealed that age, smoking history, and an AHI >15 were independent predictors of nocturia. CONCLUSIONS: Sleep disorders are thought to be one reason for nocturia and nocturnal polyuria. Thus, OSAS must be considered in BPH patients who predominantly have storage symptoms.

Noninvasive treatment of intraperitoneal urinary system perforations with percutaneous placement of a peritoneal drainage catheter

Background/aim: Intraperitoneal urinary system perforation is a rare but serious complication of endoscopic urologic surgery. Percutaneous placement of a peritoneal drainage catheter is already mainly used for diagnostic purposes. We present our experience with percutaneous drainage catheters for conservative management of intraperitoneal urinary system perforations occurring during endoscopic urologic surgery with close monitorization in selected cases. Materials and methods: Urinary system perforations had developed in 21 (0.8%) of 2603 patients undergoing endoscopic urologic surgery at our department in 2014­2016. The perforation was intraperitoneal in only 5 (0.19) of all the patients. A percutaneous peritoneal drainage catheter with the guidance of ultrasonography was placed in four of the patients. Results: Conservative management by draining excess fluid with a drainage catheter percutaneously placed under close monitorization was successful in four out of five patients with urinary system perforation occurring during endoscopic urologic surgery. The remaining patient was treated successfully with open laparotomy because of fulminant evidence of peritonitis. Conclusion: Our findings and experience may suggest that conservative management of intraperitoneal urinary system perforations occurring during endoscopic urologic surgery by percutaneous drainage catheter under close monitorization is feasible in carefully selected patients.

Evaluation of ABO blood groups and blood-based biomarkers as a predictor of growth kinetics of renal angiomyolipoma.

PURPOSE: The aim of our study was to investigate the impact of the ABO blood groups and blood-based biomarkers on the growth kinetics of renal angiomyolipoma (AML). METHODS: A total of 124 patients with AML who were followed-up between 2010 and 2018 were retrospectively reviewed. The patients' characteristics were recorded, including age, body mass index (BMI), blood pressure, smoking history, and ABO blood group. Baseline laboratory test results, including serum creatinine, AST, ALT, platelet, neutrophil and lymphocyte count, were used to calculate the estimated glomerular filtration rate (eGFR), neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), and De Ritis ratio. The Cox regression analysis was used to evaluate the relationship between variables and tumor growth. RESULTS: The study population comprised 71 women and 44 men with a median age of 47.3 (28-65) years. Among patients classified according to the blood groups, no significant differences were observed regarding age, BMI, smoking history, co-morbidities, NLR, PLR, De Ritis ratio, eGFR, or tumor size and localisation. The mean growth rate from baseline to the last scan was 0.36 ± 0.27 cm, 0.21 ± 0.21 cm, 0.14 ± 0.11 cm, and 0.19 ± 0.17 cm for blood type O, A, B, and AB, respectively. In multivariate analysis, eGFR < 60 (p = 0.044), central tumor localisation (p = 0.030), presence of blood group-0 (p = 0.038), and De Ritis ratio ≥ 1.24 (p = 0.047) were statistically associated with tumor growth. CONCLUSION: Our study demonstrates that both the ABO blood groups and the De Ritis ratio might represent independent predictors of tumor growth rate in patients with renal AML.

Is the plasma endocan level a reliable predictor for the severity of erectile dysfunction?

PURPOSE: The aim of our study was to assess the correlation between serum endocan level and erectile dysfunction (ED). METHODS: A total of 92 patients were reviewed in this study after institutional review board approval. The patients' characteristics were recorded, including age, body mass index, blood pressure, smoking history, serum creatinine, glucose, lipid profile, total testosterone, and Beck Depression Inventory scores. ED was evaluated with the Sexual Health Inventory for Men (SHIM) questionnaire and classified as severe, moderate, or mild. Scores of > 18 indicate normal erectile function and were recruited for the control group. RESULTS: Sixty-three patients with a median age of 56 years in the ED group and 29 patients with a median age of 55 years in the control group were compared. ED was classified as severe in 20, moderate in 25, and mild in 18 patients. A significant difference was determined between the severe ED group and the control group for serum endocan levels (p < 0.001). A significant negative correlation between the SHIM score and endocan levels (rho - 0.65; p < 0.01), age and SHIM score (rho - 0.32; p = 0.04), BMI and SHIM score (rho - 0.25; p = 0.03), and BMI and total testosterone (rho - 0.16; p = 0.04) was determined upon Spearman's correlation analysis. A positive correlation was also determined between total testosterone and SHIM score (rho 0.50; p = 0.04). Patients' age (p = 0.037) and serum endocan level (p = 0.029) were determined as significant in the multivariate analysis. CONCLUSION: This study demonstrated the presence of an association between plasma endocan levels and ED. Endocan may be used as a new diagnostic marker for the severity of ED.

Case Report of a Man With Sertoli Cell Only, Transverse Testicular Ectopia, and External Auditory Canal Atresia.

Transverse testicular ectopia (TTE) is an uncommon congenital anomaly, reported mostly as pediatric case reports. Herewith we report a 43-year old man presenting with sertoli cell only, Transverse testicular ectopia and external auditory canal atresia.

Can reproductive characteristics predict bladder cancer in women with haematuria?

BACKGROUND: Among women with haematuria, defining individuals under high risk for bladder cancer based on reproductive factors prior to cystoscopy would be of great benefit in the management of this condition. The aim of this study was to compare age and reproductive factors such as menopausal status, parity, age at first delivery and age at the last delivery between women who have haematuria with or without bladder cancer. MATERIALS AND METHODS: A total of 463 patients underwent diagnostic cystoscopy in Duzce University Faculty of Medicine between 1 June 2008 and 1 June 2013. Female patients who presented with persistent microscopic or macroscopic haematuria and underwent standard evaluation for haematuria including urinalysis, urine culture, urine cytology, urinary tract imaging with excretory urography or computerized tomography with contrast enhancement and endoscopic evaluation of the urethra and bladder were included in this study. Exclusion criteria were tobacco use and high risk occupations for bladder cancer such as textile, dry cleaning, painting and etc. Fourteen women had hematuria due to benign conditions, and 18 due to bladder cancer. Data were retrospectively retrieved from the medical records of Duzce University Hospital. RESULTS: Patients with haematuria due to benign reasons did not significantly differ from patients who were found to have bladder cancer in terms of age (p=0.28), menopausal status (p=0.29), mean parity (p=0.38), being nulliparous (p=0.57), parity ≥ 3 (p=0.22), age ≤ 18 years at first delivery (p=1.00), age ≥ 30 years at last delivery (p=0.26), age ≥ 35 years at last delivery (p=0.23) and percentage of the patients with advanced age (≥ 65 years) (p=0.18). CONCLUSIONS: It is difficult to predict a high risk for developing bladder cancer in women with haematuria based solely on reproductive factors.

Potential relationship between BK virus and renal cell carcinoma.

The objective of the present study was to investigate the potential association between the presence of BK virus (BKV) DNA and mRNA and renal cell carcinoma and bladder transitional cell carcinoma. The formalin-fixed and paraffin-embedded tissue samples were obtained from 50 cancer patients with renal cell carcinoma, 40 cancer patients with bladder transitional cell carcinoma, 45 control patients with the benign renal pathology, and from another 25 control patients with benign bladder pathology. The samples were subjected to nested PCR for detection of BKV DNA and real-time reverse transcription PCR (real-time RT-PCR) for determining mRNA levels of BKV. The results of the nested PCR indicated that 23 (14.3%) of 160 samples were positive for BKV DNA. The relationship between the cancer and the presence of BKV DNA was significant (P < 0.05). The BKV DNA positivity was significantly associated with the histological diagnosis of renal cell carcinoma (P = 0.03), but not with that of bladder transitional cell carcinoma. The results of real-time RT-PCR showed that the mRNA of BKV VP1 was present in 69.5% of the BKV DNA positive samples. The levels of BKV mRNA were significantly higher in the renal cell cancer samples than in the control samples (P < 0.05). The results of the present study confirm the association between BKV and renal cell cancer. The findings also indicated that the presence of BKV DNA resulted in a fivefold increase in the risk of development of renal cell carcinoma.

Association of serum YKL-40 level with tumor burden and metastatic stage of prostate cancer.

PURPOSE: To investigate the relationship between serum level of YKL-40 and Gleason score, grade and stage of the disease, and for the first time, with tumor burden in patients with prostate cancer (PCa). MATERIALS AND METHODS: Serum levels of YKL-40 and prostate-specific antigen were measured in 34 men (mean age: 66 years) with newly diagnosed and untreated PCa, in 34 men (mean age: 65 years) with biopsy proven benign prostatic hyperplasia, and in 29 healthy young men (mean age: 24 years). RESULTS: Serum YKL-40 concentration in men with PCa and benign prostatic hyperplasia, and in controls were 165.67 ± 107.84 ng/mL, 137.38 ± 82.04 ng/mL, and 69.69 ± 18.46 ng/mL, respectively. Serum level of YKL-40 was correlated with tumor burden in 30.4% of the patients with PCa (P = .04). A cut-off serum YKL-40 value of 92.696 ng/mL produced 70.6% sensitivity and 93.1% specificity. Elevated serum level of YKL-40 was strongly associated only with metastatic stage of the PCa. No association was observed between elevated level of YKL-40 and Gleason score groups or Gleason grade. CONCLUSION: Our results suggest that elevated serum level of YKL-40 may be a useful indicator of tumor burden and metastatic stage of PCa. Further studies are warranted to better elucidate the meaning of YKL-40 in tumor burden and invasiveness.

Strong association of HMB-45 expression with renal angiomyolipoma.

OBJECTIVE: Angiomyolipoma (AML) is a benign neoplasm consisting of varying mixtures of smooth muscle, blood vessels and fat. Although, most of these tumors are easy to recognize, some may pose a diagnostic dilemma due to unusual histologic features. Recently, it was suggested that melanosome-associated protein (HMB-45) immunoreactivity may be used for diagnostic confirmation of several neoplasm. The aim of this study is to analyze the diagnostic efficacy of HMB-45 in patients with AML. METHODS: This study was carried out at the Faculty of Medicine, Department of Pathology, Dicle University, Diyarbakir, Turkey, during the period January 2000 to September 2003. HMB-45 immunoreactivity was analyzed in 6 patients with AML and in 34 patients with other renal and retroperitoneal pathologies, including 10 nephrectomized patients for non-neoplastic reasons by means of immunohistochemistry. RESULTS: Patients with AML were positive for HMB-45. Whereas, HMB-45 immunoreactivity was negative in all of the histologic specimens from the patients with renal cell carcinoma, retroperitoneal sarcomas, Wilms' tumor, lipoma, leiomyoma, and nephrectomized kidneys of non-neoplastic reason. The association of AML with HMB-45 immunoreactivity was highly significant (p<0.001). CONCLUSION: Our findings suggest that HMB-45 may not be a melanocyte-restricted marker, and can be useful in differential diagnosis between AML and other tumors seen in kidney and retroperitoneal region.