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https://www.readbyqxmd.com/read/28537697/image-guided-percutaneous-targeting-of-lymph-nodes-a-novel-approach-for-salvage-pelvic-lymphadenectomy-in-recurrent-prostate-cancer
#1
Gustavo Caserta Lemos, Arie Carneiro, Guilherme Cayres Mariotti, Jose Roberto Colombo, Marcelo Apezzato, Marcelo Livorsi da Cunha, Fernado Cotait Maluf, Rodrigo Gobbo Garcia
No abstract text is available yet for this article.
May 23, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28533806/second-salvage-high-dose-rate-brachytherapy-for-radiorecurrent-prostate-cancer
#2
Metha Maenhout, Marco van Vulpen, Marinus Moerland, Max Peters, Richard Meijer, Maurice van den Bosch, Paul Nguyen, Steven Frank, Jochem van der Voort van Zyp
PURPOSE: Salvage treatments for localized radiorecurrent prostate cancer can be performed safely when a focal and image guided approach is used. Due to the low toxicity, the opportunity exists to investigate a second salvage treatment when a second locally recurrent prostate cancer occurs. Here, we describe a second salvage treatment procedure of 4 patients. MATERIAL AND METHODS: Four patients with a pathologically proven second local recurrence were treated in an outpatient magnetic resonance imaging (MRI)-guided setting with a single fraction of 19 Gy focal high-dose-rate brachytherapy (HDR-BT)...
April 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28533638/clinical-utility-of-gallium-68-psma-pet-ct-scan-for-prostate-cancer
#3
Kumaraswamy G Kallur, Prashanth G Ramachandra, Krishnappa Rajkumar, Shivakumar S Swamy, Indiresh Desai, Raghavendra M Rao, Shekhar Gowda Patil, P S Sridhar, Nagaraj Madhusudhan, Raghunath S Krishnappa, Veerendra Bhadrasetty, Hemantha M Kumara, S D Santhosh, Basavalingaiah S Ajaikumar
BACKGROUND: Prostate cancer is biologically and clinically a heterogeneous disease that makes imaging evaluation challenging. One of the important challenges in this cancer is to detect recurrent disease. Biochemical response using Prostate Specific Antigen (PSA) and Imaging using several PET tracers have poor sensitivity and specificity. Therefore, we analyse the role of Ga68-PSMA (Prostate Specific Membrane Antigen) imaging in prostate cancer, which is a new PET tracer. METHODS: In this study, we evaluated PET scans of 262 patients with diagnosis of prostate cancer...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28531102/nanoparticles-as-theranostic-vehicles-in-experimental-and-clinical-applications-focus-on-prostate-and-breast-cancer
#4
REVIEW
Jörgen Elgqvist
Prostate and breast cancer are the second most and most commonly diagnosed cancer in men and women worldwide, respectively. The American Cancer Society estimates that during 2016 in the USA around 430,000 individuals were diagnosed with one of these two types of cancers, and approximately 15% of them will die from the disease. In Europe, the rate of incidences and deaths are similar to those in the USA. Several different more or less successful diagnostic and therapeutic approaches have been developed and evaluated in order to tackle this issue and thereby decrease the death rates...
May 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28530704/upregulation-of-cyp17a1-by-sp1-mediated-dna-demethylation-confers-temozolomide-resistance-through-dhea-mediated-protection-in-glioma
#5
J-Y Chuang, W-L Lo, C-Y Ko, S-Y Chou, R-M Chen, K-Y Chang, J-J Hung, W-C Su, W-C Chang, T-I Hsu
Steroidogenesis-mediated production of neurosteroids is important for brain homeostasis. Cytochrome P450 17A1 (CYP17A1), which converts pregnenolone to dehydroepiandrosterone (DHEA) in endocrine organs and the brain, is required for prostate cancer progression and acquired chemotherapeutic resistance. However, whether CYP17A1-mediated DHEA synthesis is involved in brain tumor malignancy, especially in glioma, the most prevalent brain tumor, is unknown. To investigate the role of CYP17A1 in glioma, we determined that CYP17A1 expression is significantly increased in gliomas, which secrete more DHEA than normal astrocytes...
May 22, 2017: Oncogenesis
https://www.readbyqxmd.com/read/28530220/presence-of-invasive-cribriform-or-intraductal-growth-at-biopsy-outperforms-percentage-grade-4-in-predicting-outcome-of-gleason-score-3-4-7-prostate-cancer
#6
Charlotte F Kweldam, Intan P Kümmerlin, Daan Nieboer, Ewout W Steyerberg, Chris H Bangma, Luca Incrocci, Theodorus H van der Kwast, Monique J Roobol, Geert J van Leenders
Relative increase of grade 4 and presence of invasive cribriform and/or intraductal carcinoma have individually been associated with adverse outcome of Gleason score 7 (GS 7) prostate cancer. The objective of this study was to investigate the relation of Gleason grade 4 tumor percentage (%GG4) and invasive cribriform and/or intraductal carcinoma in GS 3+4=7 prostate cancer biopsies. We reviewed 1031 prostate cancer biopsies from the European Randomized Study of Screening for Prostate Cancer. In total 370 men had G3+4=7...
May 19, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28529650/diagnostic-accuracy-of-ga-68-hbed-cc-psma-ligand-pet-ct-before-salvage-lymph-node-dissection-for-recurrent-prostate-cancer
#7
Cordula A Jilg, Vanessa Drendel, H Christian Rischke, Teresa Beck, Werner Vach, Kathrin Schaal, Ulrich Wetterauer, Wolfgang Schultze-Seemann, Philipp T Meyer
Background: By targeting the prostate-specific membrane antigen (PSMA) on prostate cancer (PCa) cells PSMA-PET/CT shows great potential in locating the site of biochemical recurrence even at low PSA (Prostate-specific antigen)-levels. Accurate imaging of PCa recurrent lymph node metastases (LNM) is crucial for metastases directed therapies such as salvage-lymph node dissection (salvage-LND). Objective: To evaluate the diagnostic accuracy of PSMA-PET/CT for detection of affected lymph-node regions at salvage-LND for nodal recurrence of PCa...
2017: Theranostics
https://www.readbyqxmd.com/read/28526604/extramural-perineural-invasion-in-pt3-and-pt4-rectal-adenocarcinoma-as-prognostic-factor-after-preoperative-chemoradiotherapy
#8
Leonardo S Lino-Silva, Rosa A Salcedo-Hernández, Alejandro España-Ferrufino, Erika B Ruiz-García, Miguel Ruiz-Campos, Alberto M León-Takahashi, Abelardo Meneses-García
Perineural invasion (PNI) is widely studied in malignant tumors, and its prognostic significance is well demonstrated in the head and neck and prostate carcinomas, but its significance in rectal cancer is controversial. Most studies have focused on evaluating mural PNI (mPNI); however, extramural PNI (ePNI) may influence the prognosis after rectal cancer resection. We evaluated the prognostic value of ePNI compared with mPNI and with non-PNI, in rectal resections after preoperative chemoradiotherapy in 148 patients with pT3 and pT4 rectal carcinomas...
May 16, 2017: Human Pathology
https://www.readbyqxmd.com/read/28525899/the-prognostic-value-of-long-noncoding-rnas-in-prostate-cancer-a-systematic-review-and-meta-analysis
#9
Weijie Ma, Xi Chen, Lu Ding, Jianhong Ma, Wei Jing, Tian Lan, Haseeb Sattar, Yongchang Wei, Fuling Zhou, Yufeng Yuan
The abnormally expressed LncRNAs played irreplaceable roles in the prognosis of prostate cancer (PCa). Therefore, we conducted this systematic review and meta-analysis to summarize the association between the expression of LncRNAs, prognosis and clinicopathology of PCa. 18 eligible studies were recruited into our analysis, including 18 on prognosis and 9 on clinicopathological features. Results indicated that aberrant expression of LncRNAs was significantly associated with biochemical recurrence-free survival (BCR-FS) (HR = 1...
May 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28525448/18f-fluorocholine-pet-ct-complementing-the-role-of-dynamic-contrast-enhanced-mri-for-providing-comprehensive-diagnostic-workup-in-prostate-cancer-patients-with-suspected-relapse-following-radical-prostatectomy
#10
Shelvin Kumar Vadi, Baljinder Singh, Rajender K Basher, Ankit Watts, Ashwani K Sood, Anupam Lal, Nandita Kakkar, S K Singh
PURPOSE: The aim of this study was to compare the diagnostic performance of F-fluorocholine (FCH) PET/CT and dynamic contrast-enhanced MRI (DCE-MRI) of pelvis in restaging prostate cancer (PC) patients with biochemical recurrence (BCR) following radical prostatectomy (RP). METHODS: Twenty PC patients who had undergone RP and had BCR were recruited in this study. All the patients underwent whole-body FCH PET/CT and DCE-MRI of the pelvis. An overall pattern of recurrent disease was analyzed, and diagnostic accuracy for the detection of pelvic disease recurrence by the 2 modalities was evaluated by taking histopathologic analysis as the criterion standard...
May 19, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28524006/circulating-tumor-cells-a-reliable-biomarker-for-prostate-cancer-treatment-assessment
#11
Chiara Ciccarese, Rodolfo Montironi, Michelangelo Fiorentino, Guido Martignoni, Matteo Brunelli, Roberto Iacovelli, Antonio Lopez-Beltran, Liang Cheng, Marina Scarpelli, Holger Moch, Giampaolo Tortora, Francesco Massari
Prostate cancer is a common malignancy with highly molecular heterogeneity responsible for a wide spectrum of clinical behavior. To date, several treatment options are available, whose selection is currently based mainly on clinical criteria. Given the weakness of conventional imaging and PSA assay, the identification of a prognostic and predictive biomarker for choosing the appropriate treatment and monitoring its efficacy is a very topical issue in prostate cancer management. Circulating tumor cells (CTCs) have substantial promise for early tumor diagnosis, disease recurrence and metastatic spread monitoring as well as for biological tumor characterization, thus representing a reliable translational real-time biomarkers of prostate cancer...
May 18, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28523407/heterogeneous-oncologic-outcomes-according-to-surgical-pathology-in-high-risk-prostate-cancer-implications-for-better-risk-stratification-and-preoperative-prediction-of-oncologic-outcomes
#12
Seung-Kwon Choi, Myungsun Shim, Myong Kim, Myungchan Park, Sangmi Lee, Cheryn Song, Hyung-Lae Lee, Hanjong Ahn
PURPOSE: To evaluate the better risk stratification based on surgical pathology, and to predict oncologic outcomes after radical prostatectomy (RP) with a better scoring system in high-risk prostate cancer (PCa) patients. METHODS: We evaluated high-risk PCa patients (PSA >20 ng/ml, ≥cT3a, or Gleason score 8-10) who underwent RP between 2007 and 2013 at our institute. We classified patients into three groups according to their pathologic outcomes: favorable (pT2, Gleason score ≤7, and node negative), intermediate (specimen-confined disease (pT2-3a, node negative PCa with negative surgical margins) but not in the favorable group), and unfavorable (the remaining patients)...
May 18, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28522741/impact-of-ga-68-psma-11-pet-on-management-in-patients-with-biochemically-recurrent-prostate-cancer
#13
Thomas A Hope, Rahul Aggarwal, Bryant Chee, Dora Tao, Kirsten L Greene, Matthew Cooperberg, Felix Feng, Albert Chang, Charles J Ryan, Eric J Small, Peter R Carroll
Purpose: The purpose of this prospective study was to estimate the effect of (68)Ga-prostate specific membrane antigen (PSMA)-11 PET on intended management of patients with biochemically recurrent prostate cancer. Methods: Pre- and post-imaging surveys were filled out by referring providers in patients with biochemical recurrence who were imaged using (68)Ga-PSMA-11 PET. Inclusion criteria for this study required a PSA doubling time of less than 12 months after initial treatment (NCT02611882). Of the 150 consecutive patients imaged, 126 surveys were completed (84% response rate)...
May 18, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28522288/grade-group-underestimation-in-prostate-biopsy-predictive-factors-and-outcomes-in-candidates-for-active-surveillance
#14
François Audenet, François Rozet, Matthieu Resche-Rigon, Rémy Bernard, Alexandre Ingels, Dominique Prapotnich, Rafael Sanchez-Salas, Marc Galiano, Eric Barret, Xavier Cathelineau
OBJECTIVE: We intended to analyze the outcomes and predictive factors for underestimating the prostate cancer (PCa) grade group (GG) from prostate biopsies in a large monocentric cohort of patients treated by minimally invasive radical prostatectomy (RP). MATERIALS AND METHODS: Using a monocentric prospectively maintained database, we included 3062 patients who underwent minimally invasive RP between 2006 and 2013. We explored clinicopathologic features and outcomes associated with a GG upgrade from biopsy to RP...
April 26, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28522178/re-radiation-with-or-without-antiandrogen-therapy-in-recurrent-prostate-cancer
#15
Marcus Beck, Stefanie Hayoz, Pirus Ghadjar
No abstract text is available yet for this article.
May 15, 2017: European Urology
https://www.readbyqxmd.com/read/28522176/re-diagnostic-accuracy-of-ga-68-hbed-cc-psma-ligand-pet-ct-before-salvage-lymph-node-dissection-for-recurrent-prostate-cancer
#16
Boris Hadaschik, Ken Herrmann
No abstract text is available yet for this article.
May 15, 2017: European Urology
https://www.readbyqxmd.com/read/28515930/determination-of-adequate-pelvic-lymph-node-dissection-range-for-japanese-males-undergoing-radical-prostatectomy
#17
Nobuki Furubayashi, Takahito Negishi, Hidenori Iwai, Kei Nagase, Kenichi Taguchi, Mototsugu Shimokawa, Motonobu Nakamura
The present study aimed to determine the adequate pelvic lymph node dissection (PLND) range for Japanese males undergoing radical prostatectomy. A total of 467 Japanese patients who underwent antegrade radical prostatectomy at the National Kyushu Cancer Center (Fukuoka, Japan) were retrospectively reviewed. The patients were divided into two groups according to the PLND extent: The standard (obturator + internal iliac nodes) group and the expanded (standard + additional nodes) group, which accounted for 64...
May 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28515927/body-mass-index-as-a-classifier-to-predict-biochemical-recurrence-after-radical-prostatectomy-in-patients-with-lower-prostate-specific-antigen-levels
#18
Keisuke Goto, Hirotaka Nagamatsu, Jun Teishima, Yuki Kohada, Shinsuke Fujii, Yoshimasa Kurimura, Koji Mita, Masanobu Shigeta, Satoshi Maruyama, Yoji Inoue, Mitsuru Nakahara, Akio Matsubara
Prostate cancer, one of the most common malignant tumors among men, is closely associated with obesity and, thus far, several studies have suggested the association between obesity and aggressive pathological characteristics in the United States. However, the effect of obesity on prostate cancer mortality is controversial, and it remains unclear whether obesity contributes to the aggressiveness of prostate cancer in Asian patients. The aim of the present study was to investigate the association between body mass index (BMI) and the clinicopathological characteristics of prostate cancer in 2,003 Japanese patients who underwent radical prostatectomy...
May 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28515055/exome-sequencing-of-african-american-prostate-cancer-reveals-loss-of-function-erf-mutations
#19
Franklin W Huang, Juan Miguel Mosquera, Andrea Garofalo, Coyin Oh, Maria Baco, Ali Amin-Mansour, Bokang Rabasha, Samira Bahl, Stephanie A Mullane, Brian D Robinson, Saud Aldubayan, Francesca Khani, Beerinder Karir, Eejung Kim, Jeremy Chimene-Weiss, Matan Hofree, Alessandro Romanel, Joseph R Osborne, Jong Wook Kim, Gissou Azabdaftari, Anna Woloszynska-Read, Karen Sfanos, Angelo M De Marzo, Francesca Demichelis, Stacey Gabriel, Eliezer M Van Allen, Jill Mesirov, Pablo Tamayo, Mark A Rubin, Isaac J Powell, Levi A Garraway
African-American men have the highest incidence and mortality from prostate cancer. Whether a biological basis exists for this disparity remains unclear. Exome sequencing (n=102) and targeted validation (n = 90) of localized primary hormone-naïve prostate cancer in African-American men identified several gene mutations not previously observed in this context, including recurrent loss-of-function mutations in ERF, an ETS transcriptional repressor, in 5% of cases. Analysis of existing prostate cancer cohorts revealed ERF deletions in 3% of primary prostate cancers and mutations or deletions in ERF in 3-5% of lethal castration-resistant prostate cancers...
May 17, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28512416/unusual-case-of-laryngeal-squamous-cell-carcinoma-with-cervical-metastasis-of-a-prostatic-adenocarcinoma-a-case-report
#20
David Cédric Lauffer, Florian Johann Werner Lang, Marc Kueng, Abdelkarim Said Allal
Brain and Head and neck metastases are rare in prostatic carcinoma patients. In this report we present a very uncommon case of the concomitant occurrence of a prostatic adenocarcinoma with neck metastases and an advanced laryngeal squamous cell carcinoma without neck metastases. The presence of cervical lymph node prostate adenocarcinoma metastasis concomitantly with a laryngeal squamous cell carcinoma is at least intriguing and may remind us of a rare event called "collision tumors". In this case we had the metastatization of 1 carcinoma to the site of the drainage of another carcinoma, but we never found the 2 histological types as close as requested to reach the definition of a collision tumor...
January 2017: Case Reports in Oncology
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