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Prostate International

Vasun Setthawong, Phitsanu Mahawong, Nusorn Pattanachindakun, Passakorn Amnattrakul, Faizan Manzoor Dar, Surapong Thanavongvibul
Background: To evaluate the correlation between the International Prostate Symptom Score (IPSS), Visual Prostate Symptom Score (VPSS), and uroflowmetry parameters in Thai males and to examine the possibility in establishing a severity cut-off point for VPSS. Methods: Between 1st February and 31st May 2016 a total of 200 men were enrolled onto the study and divided into high and low educated groups. All of them were requested to complete paperwork including their personal data, and then to complete a VPSS and IPSS questionnaire...
September 2018: Prostate International
Brian M Blair, Haley Robyak, Joseph Y Clark, Matthew G Kaag, Erik B Lehman, Jay D Raman
Background: To evaluate early consequences of 2012 United States Preventive Services Task Force (USPSTF) recommendations for decreased prostate-specific antigen (PSA) screening on prostate biopsy characteristics and prostate cancer presentation. Materials and methods: A single tertiary-care institution, multisurgeon, prospectively maintained database was queried for patients undergoing prostate biopsy from October 2005 to September 2016. Patient demographics, biopsy characteristics, and extent of disease were reported...
September 2018: Prostate International
Naoko Akitake, Masaki Shiota, Hirofumi Obata, Ario Takeuchi, Eiji Kashiwagi, Kenjiro Imada, Keijiro Kiyoshima, Junichi Inokuchi, Katsunori Tatsugami, Masatoshi Eto
Background: We aimed to identify the candidate prostate cancer patients suitable for neoadjuvant androgen-deprivation therapy (ADT) with radical prostatectomy (RP). Materials and methods: This study included 711 Japanese patients with clinically localized prostate cancer who were treated with RP between 2000 and 2013. Patients were treated with or without neoadjuvant ADT before RP. The prognostic significance of neoadjuvant ADT on biochemical recurrence (BCR) was analyzed according to various clinicopathological characteristics...
September 2018: Prostate International
Mayuko Kanayama, Kazuki Nakao, Shigeo Horie, Atsu Aiba
Background: Genetically engineered mouse models are useful tools to decipher molecular mechanisms of diseases. As for prostates, a rat probasin promoter has been widely used to drive prostate-specific gene expression. To optimize its codon usage to that of mammals, we used codon-improved Cre recombinase (iCre) for prostate-specific Cre- loxP recombination. Materials and methods: We generated transgenic mice that express iCre driven by conventional probasin promoter in a prostate-specific manner (PB-iCre)...
September 2018: Prostate International
Antonio Tienza, Yigit Akin, Jens Rassweiler, Ali Serdar Gözen
Background: We aimed to study the continence between intermediate and high-risk cancer patients and the influential factors to recover continence. Materials and methods: In total, 655 patients underwent surgery by robot-assisted radical prostatectomy between 2010 and 2015. Of 655 patients, 294 were classified according to D'Amico risk groups as intermediate risk or high risk and completed the micturition protocol. Patients with intermediate risk were matched in a 1:1 ratio to patients with high risk for age and body mass index...
September 2018: Prostate International
Jonathan Kam, Yuigi Yuminaga, Raymond Kim, Kushlan Aluwihare, Finlay Macneil, Rupert Ouyang, Stephen Ruthven, Mark Louie-Johnsun
Background: The increase in the use of multiparametric magnetic resonance imaging for the detection of prostate cancer has led to the rapid adoption of MRI-guided biopsies (MRGBs). To date, there is limited evidence in the use of MRGB and no direct comparisons between the different types of MRGB. We aimed to assess whether multiparametric MRGBs with MRI-US transperineal fusion biopsy (FB) and cognitive biopsy (CB) improved the management of prostate cancer and to assess if there is any difference in prostate cancer detection with FB compared with CB...
September 2018: Prostate International
Thomas Feutren, Fernanda G Herrera
Radiation therapy (RT) is a curative treatment option for localized prostate cancer. Prostate irradiation with focal dose escalation to the intraprostatic dominant nodule (IDN) is an emerging treatment option that involves the prophylactic irradiation of the whole prostate while increasing RT doses to the visible prostatic tumor. Because of the lack of large multicentre trials, a systematic review was performed in an attempt to get an overview on the feasibility and efficacy of focal dose escalation to the IDN...
September 2018: Prostate International
Suleyman Sami Cakir, Emre Can Polat, Levent Ozcan, Huseyin Besiroglu, Alper Ötunctemur, Emin Ozbek
Background: To investigate the effect of asymptomatic inflammatory prostatitis on clinical outcomes of patients undergoing trans urethral resection of prostate due to benign prostatic hyperplasia. Materials and methods: A total of 514 patients were enrolled in the study. Clinical parameters and pathological results were compared before and one year after surgery. Results: Of the patients 310 were diagnosed with purely benign prostatic hyperplasia and the others were diagnosed with both prostatic inflamation (cathegory IV) and benign prostatic hyperplasia...
June 2018: Prostate International
Philipp Maletzki, Christoph Schwab, Patrick Markart, Daniel Engeler, Johann Schiefer, Ludwig Plasswilm, Hans-Peter Schmid
Background: Seed migration is a common finding after low dose rate brachytherapy of the prostate. It has often been assessed soon after implantation, but little is known about late seed migration. We evaluated the incidence, site, symptoms, and therapeutic consequences of late seed migration more than 3 years postoperatively. Materials and methods: We retrospectively examined the data of 63 unselected patients with transrectal ultrasound-guided, transperineal low dose rate brachytherapy of the prostate with stranded seeds between 2001 and 2010...
June 2018: Prostate International
David R Thurtle, Emma M Gordon, Robert D Brierly, Ciaran J Conway, John McLoughlin
Background: In 2006, a county-wide survey of general practitioners (GPs) in the United Kingdom (UK) identified a reluctance to refer younger men with abnormal prostate specific antigen (PSA) levels. Younger men have the most to gain from early-detection of prostate cancer (PCa), which remains a national government priority in the UK and around the world. We sought to assess changes in perception of abnormal PSA-values amongst UK GPs over the past 10 years. Materials and methods: A total of 500 self-administered paper questionnaires were distributed to individually named GPs...
June 2018: Prostate International
Satoshi Tamada, Kyoko Ebisu, Sayaka Yasuda, Minoru Kato, Noriko Ninomiya, Takeshi Yamasaki, Taro Iguchi, Tatsuya Nakatani, Yasuyoshi Watanabe
Background: Cancer-related fatigue is one of the most prevalent symptoms that patients with cancer experience, but the mechanisms underlying it are unknown. We aimed to quantify and mechanistically evaluate the improvement in fatigue related to administration of the Kampo medicine, Kamikihito. Materials and methods: Initially, we recruited outpatients with urological diseases and compared fatigue levels of 37 patients with cancer with a control group of 23 volunteers who had recovered completely from cancer or who were being treated for dysuria...
June 2018: Prostate International
Simon Jd Harley, Richard Hoffmann, Dylan Bartholomeusz, Peter Sutherland, Barry Chatterton, Michael Kitchener, Prab Takhar, Chris Tsopelas, Andrew Fuller, Richard Wells, Raj Singh-Rai, John Bolt
Background: 18-Fluoride labeled sodium fluoride (Na-18-F) positron emission tomography with computer tomography (PET/CT) has a better sensitivity and specificity than whole body bone scan (WBBS) in detecting osseous metastatic prostate cancer. We performed a pilot study of 20 men to examine what level of impact Na-18-F PET/CT has on management plans when used for staging newly diagnosed prostate cancer. Materials and methods: Twenty men were prospectively enrolled into the study in South Australia...
June 2018: Prostate International
Mohammed Shahait, Deborah Mukherji, Nadine Hamieh, Samer Nassif, Mark Jabbour, Raja Khauli, Muhammad Bulbul, Wassim Abou Kheir, Albert El Hajj
Background: Data from the Middle East regarding second primary malignancy (SPM) after radical prostatectomy are limited. Our objective was to estimate the overall risk of developing second primary malignancy (SPM) among Middle Eastern men with prostate cancer who underwent surgical extirpation of their prostate. Materials and methods: We conducted a retrospective study of 406 patients who underwent radical prostatectomy in a tertiary centre and who had no evidence of previous malignancy from 1998 to 2012...
June 2018: Prostate International
Soheil Hassanipour, Mohammad Fathalipour, Hamid Salehiniya
Background: Prostate cancer is one of the most common cancers among men. There are various estimates of prostate cancer incidence from different geographical areas in Iran. In addition, no systematic reviews are available regarding the incidence rate of prostate cancer in Iran. Therefore, the present systematic review aimed to address this epidemiological gap. Method: This systematic review was performed based on the preferred reporting items for systematic reviews and meta-analyses in July 2017...
June 2018: Prostate International
George Awuku Asare, Sabina Ekua Andam, Henry Asare-Anane, Seth Ammanquah, Yvonne Anang-Quartey, Daniel K Afriyie, Iddis Musah
Background: Oxidative stress and antioxidants have been implicated in many diseases including prostate cancer and benign prostatic hyperplasia (BPH). Lipid peroxidation contributes to oxidative stress. However, new and emerging antioxidants such as paraoxonase 1 (PON1) and arylesterase (ARE) associated with lipoprotein peroxidation have not been examined in BPH patients. PON1 and ARE, a high-density lipoprotein (HDL) cholesterol-bound enzyme system of antioxidants, protect low-density lipoprotein (LDL) cholesterol and HDL from oxidation by hydrolysis...
March 2018: Prostate International
Lynn Tan, Luke L Wang, Weranja Ranasinghe, Raj Persad, Damien Bolton, Nathan Lawrentschuk, Shomik Sengupta
Background: The aim of the paper is to investigate the outcomes of patients younger than 55 years in Victoria, Australia undergoing radical prostatectomy (RP) for prostate cancer. Materials and methods: Data on all men undergoing RP in Victoria between January 1, 2004 and December 31, 2014 were obtained from the Victorian Cancer Registry. Tumor characteristics including Gleason grade, stage of disease (based on final pathology specimen), and cause of death were also obtained...
March 2018: Prostate International
Darren M C Poon, Kuen Chan, Siu H Lee, Tim W Chan, Henry Sze, Eric K C Lee, Daisy Lam, Michelle F T Chan
Background: This study aimed to compare the efficacy of abiraterone acetate (AA) versus docetaxel (T) as first-line treatment in chemo-naïve metastatic castration-resistant prostate cancer (mCRPC) patients with or without the ineligible factors of the COU-AA-302 study (presence of visceral metastases, symptomatic disease, and/or Eastern Cooperative Oncology Group performance status ≥ 2). Materials and methods: The clinical records of chemo-naïve mCRPC patients who received AA in six public oncology centers or T in two of these centers between 2003 and 2014 were reviewed...
March 2018: Prostate International
Takashi Nagai, Taku Naiki, Keitaro Iida, Toshiki Etani, Ryosuke Ando, Shuzo Hamamoto, Yosuke Sugiyama, Hidetoshi Akita, Hiroki Kubota, Yoshihiro Hashimoto, Noriyasu Kawai, Takahiro Yasui
Background: Development of novel agents targeting the androgen axis has led to improved overall survival in castration-resistant prostate cancer (CRPC). This study aimed to investigate the optimal timing of treatment with one such agent, abiraterone acetate (AA), in Japanese patients. Materials and methods: Between July 2014 and February 2016, 106 CRPC patients were administered AA in Nagoya City University Hospital, Nagoya, Japan and in four affiliated hospitals following failure of primary combined androgen blockade (CAB)...
March 2018: Prostate International
Taekmin Kwon, Jeong Kon Kim, Chanwoo Lee, Jaeyoon Jung, Hanjong Ahn, Choung-Soo Kim, Jun Hyuk Hong
Background: Multiparametric magnetic resonance is the most accurate imaging technique for prostate cancer detection, staging, localization, and aggressiveness evaluation. We assessed accuracy of diffusion-weighted imaging in local recurrence diagnosis after radical prostatectomy. Materials and methods: A retrospective study was conducted in 118 patients with findings suggestive of local recurrence in dynamic contrast-enhanced-magnetic resonance imaging. Local recurrence was defined clinically as a rising prostate-specific antigen level (biochemical recurrence) without radiographic evidence of distant metastasis over 6 months after surgery...
March 2018: Prostate International
Satoru Ueno, Yasuhide Kitagawa, Mizuki Onozawa, Shiro Hinotsu, Hideyuki Akaza, Atsushi Mizokami, Mikio Namiki
Background: This prospective observational study elucidated the usefulness of hormonal therapy for localized prostate cancer. Background factors and the health-related quality of life in patients who initially underwent radical prostatectomy (RP) or primary androgen deprivation therapy (PADT) for localized prostate cancer are summarized. Materials and methods: Patients aged 67-76 years with clinical stage T1c or T2 localized prostate cancer treated with PADT or RP, a prostate-specific antigen concentration of <20 ng/mL, and Gleason score of ≤7 were included...
March 2018: Prostate International
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