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BMC Urology

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https://www.readbyqxmd.com/read/30428867/spontaneous-regression-of-adrenal-metastasis-from-renal-cell-carcinoma-after-sunitinib-withdrawal-case-report-and-literature-review
#1
Ti-Yuan Yang, Wun-Rong Lin, Allen W Chiu
BACKGROUND: The spontaneous regression of metastatic renal cell carcinoma is a rare phenomenon, with an estimated incidence of < 1%. We report a case of post-nephrectomy renal cell carcinoma adrenal metastasis, followed by the spontaneous regression of the metastasis after withdrawal of sunitinib. CASE PRESENTATION: The patient was a 55-year-old male with clear cell type renal cell carcinoma who previously underwent a left laparoscopic radical nephrectomy. After 51 months of follow up, a recurrence in the left renal fossa was observed and subsequently excised...
November 14, 2018: BMC Urology
https://www.readbyqxmd.com/read/30424765/how-to-perform-the-dusting-technique-for-calcium-oxalate-stone-phantoms-during-ho-yag-laser-lithotripsy
#2
Jeong Woo Lee, Min Gu Park, Sung Yong Cho
BACKGROUND: To determine the most efficacious setting of Holmium:yttrium-aluminum-garnet (Ho:YAG) laser with a maximum power output of 120 W with in vitro phantom-stone dusting technique. METHODS: A laser was used to treat two 4 × 3 × 3 mm3 sized phantom stones in 5 mL syringes with 1 mm-sized holes at the bottom. According to the pulse width (short 500, middle 750, long pulse 1000 μsec), maximal pulse repetition rates from 50 to 80 Hz were tested with pulse energy of 0...
November 13, 2018: BMC Urology
https://www.readbyqxmd.com/read/30424755/expression-and-clinical-significance-of-caveolin-1-in-prostate-cancer-after-transurethral-surgery
#3
Xiaoming Wang, Zhigui Liu, Zhanbin Yang
BACKGROUND: Prostate cancer is a common malignancy of the male genitourinary system that occurs worldwide. The current research aims to investigate caveolin-1 expression in prostate cancer tissue and its relationship with pathological grade, clinical pathologic staging, and preoperative prostate-specific antigen (PSA) levels. METHODS: From January 2012 to December 2014, samples from 47 patients with prostate cancer who had received transurethral prostatic resection (TURP) and 20 patients with benign prostatic hyperplasia were collected at the First Affiliated Hospital of Guangxi Medical University...
November 13, 2018: BMC Urology
https://www.readbyqxmd.com/read/30424751/pattern-of-varicocele-vein-blood-gases-in-patients-undergoing-microsurgical-varicocelectomy
#4
Khaleeq Ur Rehman, Hafsa Zaneb, Abdul Basit Qureshi, Ahsan Numan, Muhammad Shahbaz Yousaf, Imtiaz Rabbani, Habib Rehman
BACKGROUND: Varicocele is known to be associated with infertility and sperm disorders. The exact cause of this ailment is not fully understood. There are limited numbers of studies where venous blood gases (VBGs) of varicocele veins were determined with conflicting results. Therefore, we have investigated the pattern of VBGs in both internal spermatic and external spermatic varicocele veins and correlation with semen quality parameters in infertile individuals who underwent left microsurgical varicocelectomy...
November 13, 2018: BMC Urology
https://www.readbyqxmd.com/read/30419887/changes-in-renal-papillary-density-after-hydration-therapy-in-calcium-stone-formers
#5
Pietro Manuel Ferraro, Matteo Vittori, Giuseppe Macis, Alessandro D'Addessi, Gianmarco Lombardi, Claudia Palmisano, Jacopo Gervasoni, Aniello Primiano, Pier Francesco Bassi, Giovanni Gambaro
BACKGROUND: Previous studies have shown that, compared with non-stone formers, stone formers have a higher papillary density measured with computer tomography (CT) scan. The effect of increased hydration on such papillary density in idiopathic calcium stone formers is not known. METHODS: Patients with recurrent calcium oxalate stones undergoing endourological procedures for renal stones at our Institution from June 2013 to June 2014 were considered eligible for enrolment...
November 12, 2018: BMC Urology
https://www.readbyqxmd.com/read/30413201/non-ischemic-laparoscopic-partial-nephrectomy-using-1318-nm-diode-laser-for-small-exophytic-renal-tumors
#6
Martin Drerup, Ahmed Magdy, Martina Hager, Daniela Colleselli, Thomas Kunit, Lukas Lusuardi, Günter Janetschek, Michael Mitterberger
PURPOSE: Warm ischemia (WI) and bleeding constitute the main challenges for surgeons during laparoscopic partial nephrectomy (LPN). Current literature on the use of lasers for cutting and coagulation remains scarce and with small cohorts. We present the largest case series to date of non-ischemic LPN using a diode laser for small exophytic renal tumors. METHODS: We retrospectively evaluated 29 patients with clinically localized exophytic renal tumors who underwent non-ischemic laser-assisted LPN with a 1318-nm wavelength diode laser...
November 9, 2018: BMC Urology
https://www.readbyqxmd.com/read/30413194/epidermal-growth-factor-expression-as-a-predictor-of-chemotherapeutic-resistance-in-muscle-invasive-bladder-cancer
#7
Ahmed M Mansour, Mona Abdelrahim, Mahmoud Laymon, Mamdouh Elsherbeeny, Mohammed Sultan, Ahmed Shokeir, Ahmed Mosbah, Hassan Abol-Enein, Amira Awadalla, Eunho Cho, Vikram Sairam, Taeeun D Park, Muhammad Shahid, Jayoung Kim
BACKGROUND: Epidermal growth factor receptor (EGFR) overexpression is believed to be associated with bladder cancer (BC) progression and poor clinical outcomes. In vivo studies have linked EGFR subcellular trafficking and chemo-resistance to cisplatin-based chemotherapies. This has not been studied in the clinical adjuvant setting. We aimed to investigate the prognostic significance of EGFR expression in patients receiving cisplatin-based adjuvant chemotherapy following radical cystectomy for advanced BC...
November 9, 2018: BMC Urology
https://www.readbyqxmd.com/read/30409150/multiparametric-ultrasound-evaluation-of-greyscale-shear-wave-elastography-and-contrast-enhanced-ultrasound-for-prostate-cancer-detection-and-localization-in-correlation-to-radical-prostatectomy-specimens
#8
Christophe K Mannaerts, Rogier R Wildeboer, Arnoud W Postema, Johanna Hagemann, Lars Budäus, Derya Tilki, Massimo Mischi, Hessel Wijkstra, Georg Salomon
BACKGROUND: The diagnostic pathway for prostate cancer (PCa) is advancing towards an imaging-driven approach. Multiparametric magnetic resonance imaging, although increasingly used, has not shown sufficient accuracy to replace biopsy for now. The introduction of new ultrasound (US) modalities, such as quantitative contrast-enhanced US (CEUS) and shear wave elastography (SWE), shows promise but is not evidenced by sufficient high quality studies, especially for the combination of different US modalities...
November 8, 2018: BMC Urology
https://www.readbyqxmd.com/read/30400941/pd-1-and-pd-l1-are-more-highly-expressed-in-high-grade-bladder-cancer-than-in-low-grade-cases-pd-l1-might-function-as-a-mediator-of-stage-progression-in-bladder-cancer
#9
Takashi Kawahara, Yukari Ishiguro, Shinji Ohtake, Ikuma Kato, Yusuke Ito, Hiroki Ito, Kazuhide Makiyama, Keiichi Kondo, Yasuhide Miyoshi, Yasushi Yumura, Narihiko Hayashi, Hisashi Hasumi, Kimito Osaka, Kentaro Muraoka, Koji Izumi, Jun-Ichi Teranishi, Hiroji Uemura, Masahiro Yao, Noboru Nakaigawa
BACKGROUND: Bladder cancers have been characterized as a tumor group in which the immunological response is relatively well preserved. Programmed death ligand 1 (PD-L1, B7-H1, CD274) has been shown to be expressed in several malignancies, including bladder cancer. However, the clinicopathological impact of this biomarker has not yet been established. In the present study, a quantitative real-time polymerase chain reaction (qPCR) was performed using paired normal and cancerous bladder cancer tissue to investigate PD-1/PD-L1 gene expression...
November 6, 2018: BMC Urology
https://www.readbyqxmd.com/read/30373586/minimally-invasive-surgical-treatment-on-delayed-uretero-vaginal-fistula
#10
Xinying Li, Ping Wang, Yili Liu, Chunlai Liu
OBJECTIVE: To evaluate the procedure of endoscopic surgery for ureterovaginal fistula (UVF) and its clinical efficacy. MATERIALS AND METHODS: A retrospective analysis of 46 patients needing treatment for UVF with endourology technology was conducted (all patients had unilateral ureteric injury, 27 left and 19 right). Transurethral retrograde ureteric stenting or realignment retrograde/antegrade approach stenting was used to treat the fistula, and the relation between treatment and prognosis was analyzed...
October 29, 2018: BMC Urology
https://www.readbyqxmd.com/read/30367648/is-there-still-a-place-for-retroperitoneal-lymph-node-dissection-in-clinical-stage-1-nonseminomatous-testicular-germ-cell-tumours-a-retrospective-clinical-study
#11
K-P Dieckmann, P Anheuser, M Kulejewski, R Gehrckens, B Feyerabend
BACKGROUND: Primary retroperitoneal lymph node dissection (RPLND) ultimately lost its role as the standard management of clinical stage (CS) 1 nonseminomatous (NS) testicular germ cell tumours (GCTs) in Europe when the European Germ Cell Cancer Consensus Group released their recommendations in 2008. Current guide-lines recommend surgery only for selected patients but reasons for selection remain rather ill-defined. We evaluated the practice patterns of the management of CS1 patients and looked specifically to the role of RPLND among other standard treatment options...
October 26, 2018: BMC Urology
https://www.readbyqxmd.com/read/30367600/the-surgical-technique-and-initial-outcomes-of-anatolian-neobladder-a-novel-technique-of-ileal-neobladder-after-radical-cystectomy
#12
Z Talat, B Onal, B Cetinel, C Demirdag, S Citgez, C Dogan
BACKGROUND: We describe a detailed novel step-by-step approach for creation of an ileal neobladder and compare the outcomes with standart neobladder. METHODS: Between August 2009 and January 2016, 36 consecutive patients with bladder cancer underwent radical cystectomy and orthotopic urinary diversion with an ileal neobladder. A novel technique of ileal neobladder construction, called the Anatolian neobladder, was designed by a single surgeon (ZT). Demographics and clinical data were collected...
October 26, 2018: BMC Urology
https://www.readbyqxmd.com/read/30355350/continuous-saline-bladder-irrigation-for-two-hours-following-transurethral-resection-of-bladder-tumors-in-patients-with-non-muscle-invasive-bladder-cancer-does-not-prevent-recurrence-or-progression-compared-with-intravesical-mitomycin-c
#13
Andrew T Lenis, Kian Asanad, Maher Blaibel, Nicholas M Donin, Karim Chamie
BACKGROUND: Intravesical Mitomycin-C (MMC) following transurethral resection of bladder tumor (TURBT), while efficacious, is associated with side effects and poor utilization. Continuous saline bladder irrigation (CSBI) has been examined as an alternative. In this study we sought to compare the rates of recurrence and/or progression in patients with NMIBC who were treated with either MMC or CSBI after TURBT. METHODS: We retrospectively reviewed records of patients with NMIBC at our institution in 2012-2015...
October 24, 2018: BMC Urology
https://www.readbyqxmd.com/read/30355294/seminal-vesicle-abnormalities-following-prostatic-artery-embolization-for-the-treatment-of-benign-prostatic-hyperplasia
#14
Jin Long Zhang, Kai Yuan, Mao Qiang Wang, Jie Yu Yan, Yan Wang, Guo Dong Zhang
BACKGROUND: Prostatic artery embolization (PAE) has been proved effective in the treatment of lower urinary tracts (LUTS) secondary to benign prostatic hyperplasia (BPH) with low complications, and most of the them are due to non-target embolization of adjacent organs, such as bladder, rectum, seminal vesicles and penis. Aim of this study was to present seminal vesicle (SV) abnormalities following prostatic artery embolization (PAE) for the treatment of symptomatic benign prostatic hyperplasia...
October 24, 2018: BMC Urology
https://www.readbyqxmd.com/read/30348146/preoperative-neutrophil-to-lymphocyte-ratio-improves-recurrence-prediction-of-non-muscle-invasive-bladder-cancer
#15
Itamar Getzler, Zaher Bahouth, Ofer Nativ, Jacob Rubinstein, Sarel Halachmi
BACKGROUND: This study aims to prospectively evaluate the ability of Neutrophil-to-Lymphocyte ratio (NLR) to forecast recurrence in patients with non-muscle invasive bladder cancer (NMIBC). This is a continuation of our two previous retrospective studies that indicated the NLR > 2.5 criterion as a predictor of recurrence in patients with NMIBC. METHODS: Since December 2013, all patients admitted to our department for TUR-BT and agreed to participate, had a blood drawn for cell count and differential 24 h prior to surgery...
October 22, 2018: BMC Urology
https://www.readbyqxmd.com/read/30348141/predicting-90-day-and-long-term-mortality-in-octogenarians-undergoing-radical-cystectomy
#16
Michael Froehner, Rainer Koch, Matthias Hübler, Ulrike Heberling, Vladimir Novotny, Stefan Zastrow, Oliver W Hakenberg, Manfred P Wirth
BACKGROUND: Radical cystectomy bears a considerable perioperative mortality risk particularly in elderly patients. In this study, we searched for predictors of perioperative and long-term competing (non-bladder cancer) mortality in elderly patients selected for radical cystectomy. METHODS: We stratified 1184 consecutive patients who underwent radical cystectomy for high risk superficial or muscle-invasive urothelial or undifferentiated carcinoma of bladder into two groups (age < 80 years versus 80 years or older)...
October 22, 2018: BMC Urology
https://www.readbyqxmd.com/read/30340580/wilms-tumor-with-inferior-vena-cava-duplication-a-rare-case-report
#17
Feng Guo, Tianyou Li, Wei Liu, Gang Wang, Rui Ma, Rongde Wu
BACKGROUND: Wilms tumor is the most common renal tumor of childhood. Duplication of the inferior vena cava is an uncommon anomaly. In the present study, we present a case of Wilms tumor with the inferior vena cava duplication, which has not been reported previously. CASE PRESENTATION: A 14-month-old female presented with an enlarging abdominal mass. Computed tomography imaging demonstrated a large mass in the right kidney, duplication of the inferior vena cava below the renal veins and compression of the right inferior vena cava caused by the enormous mass...
October 19, 2018: BMC Urology
https://www.readbyqxmd.com/read/30340572/the-effect-of-surgery-report-cards-on-improving-radical-prostatectomy-quality-the-surep-study-protocol
#18
R H Breau, R M Kumar, L T Lavallee, I Cagiannos, C Morash, M Horrigan, S Cnossen, R Mallick, D Stacey, M Fung-Kee-Fung, R Morash, J Smylie, K Witiuk, D A Fergusson
BACKGROUND: The goal of radical prostatectomy is to achieve the optimal balance between complete cancer removal and preserving a patient's urinary and sexual function. Performing a wider excision of peri-prostatic tissue helps achieve negative surgical margins, but can compromise urinary and sexual function. Alternatively, sparing peri-prostatic tissue to maintain functional outcomes may result in an increased risk of cancer recurrence. The objective of this study is to determine the effect of providing surgeons with detailed information about their patient outcomes through a surgical report card...
October 19, 2018: BMC Urology
https://www.readbyqxmd.com/read/30314492/impact-of-endoscopic-enucleation-of-the-prostate-with-thulium-fiber-laser-on-the-erectile-function
#19
Dmitry Enikeev, Petr Glybochko, Leonid Rapoport, Zhamshid Okhunov, Mitchel O'Leary, Natalya Potoldykova, Roman Sukhanov, Mikhail Enikeev, Ekaterina Laukhtina, Mark Taratkin
BACKGROUND: The impact of number of endoscopic enucleation of the prostate techniques (holmium laser enucleation - HoLEP for example) on erectile function have already been investigated. However, the thulium-fiber laser, in this setting remains unstudied. In this study, we compared sexual function outcomes in patients with benign prostatic hyperplasia (BPH) treated with transurethral resection of the prostate (TURP) or thulium-fiber laser enucleation (ThuFLEP). METHODS: We performed a retrospective analysis of patients who underwent transurethral resection and endoscopic enucleation of the prostate for BPH; inclusion criteria was the presence of infravesical obstruction (IPSS > 20, Qmax < 10 mL/s)...
October 12, 2018: BMC Urology
https://www.readbyqxmd.com/read/30290760/detection-of-micro-metastases-by-flow-cytometry-in-lymph-nodes-from-patients-with-penile-cancer
#20
Lu Zhang, Jin Hu, A Ali Zirakzadeh, Jesper Rosvall, Mats Hedlund, Ping Sheng Hu, Robert P A Wallin, Amir Sherif, Ola Winqvist
BACKGROUND: The tumor draining lymph node concept was first described in penile cancer for staging. Immunohistochemistry and histopathology evaluations are routinely used in clinical practice to examine lymph nodes for metastasis. However, these methods are time-consuming with low diagnostic accuracy and micro-metastases might be missed. In this study, we aim to evaluate detection of metastatic cells in draining lymph nodes by flow cytometry. METHODS: To assess the sensitivity of micro-metastasis detection by FACS (Fluorescence-activated cell sorting), HeLa cells were titrated into Peripheral blood mononuclear cells (PBMCs) and expression of pan-cytokeratin AE1/AE3 was analyzed...
October 5, 2018: BMC Urology
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