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https://www.readbyqxmd.com/read/28214368/evaluation-of-deformable-image-registration-between-external-beam-radiotherapy-and-hdr-brachytherapy-for-cervical-cancer-with-a-3d-printed-deformable-pelvis-phantom
#1
Noriyuki Kadoya, Yuya Miyasaka, Yujiro Nakajima, Yoshihiro Kuroda, Kengo Ito, Mizuki Chiba, Kiyokazu Sato, Suguru Dobashi, Takaya Yamamoto, Noriyoshi Takahashi, Masaki Kubozono, Ken Takeda, Keiichi Jingu
PURPOSE: In this study, we developed a 3D-printed deformable pelvis phantom for evaluating spatial DIR accuracy. We then evaluated the spatial DIR accuracies of various DIR settings for cervical cancer. METHODS: A deformable female pelvis phantom was created based on patient CT data using 3D printing. To create the deformable uterus phantom, we first 3D printed both a model of uterus and a model of the internal cavities of the vagina and uterus. We then made a mold using the 3D printed uterus phantom...
February 18, 2017: Medical Physics
https://www.readbyqxmd.com/read/28214286/-partial-delegation-to-radiation-therapists-of-the-control-by-cone-beam-ct-of-prostate-positioning
#2
C Benhaïm, G Loos, J L Achard, L Berger, C Caillé, T Frédéric-Moreau, J Biau, M Lapeyre
PURPOSE: Intensity modulated radiotherapy for prostate cancer involves daily monitoring of the positioning of the prostate, possible with cone beam CT (CBCT). It allows increased accuracy compared to readjustments but induces an increase in the time dedicated to these medical checks. The aim of the study was to evaluate the possibility of delegation of this task to the radiation therapists by comparing their readjustments to the doctors. PATIENTS AND METHODS: Five consecutive patients treated with radiation for prostate cancer (76Gy) were analysed...
February 14, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28214283/prognostic-role-of-n-cadherin-expression-in-patients-with-non-muscle-invasive-bladder-cancer
#3
Mohammad Abufaraj, Shahrokh F Shariat, Andrea Haitel, Marco Moschini, Beat Foerster, Piotr Chłosta, Kilian Gust, Marek Babjuk, Alberto Briganti, Pierre I Karakiewicz, Walter Albrecht
PURPOSE: To assess the role of N-cadherin as a prognostic biomarker in patients with non-muscle-invasive bladder cancer (NMIBC) treated with transurethral resection with or without adjuvant intravesical therapy. PATIENTS AND METHODS: Immunohistochemistry using monoclonal mouse antibody was used to evaluate the expression status of N-cadherin in 827 patients with NMIBC. N-cadherin was considered positive if any immunoreactivity with membranous staining was detected...
February 14, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28214212/primary-multiple-tumor-with-affection-of-the-thyroid-gland-uterus-urinary-bladder-mammary-gland-and-other-organs
#4
А Romaniuk, M Lyndin, V Smiyanov, Vl Sikora, A Rieznik, Y Kuzenko, H Budko, Yu Moskalenko, L Karpenko, Vol Sikora, O Gladchenko
BACKGROUND: Nowadays multiple primary tumor is characterized by growth and development of two or more tumors in one patient. The total world sickness rate ranges from 1% to 37%. The presence of four or more tumors in one patient is rare case and presented as casuistry. CASE PRESENTATION: We showed a case of multiple primary tumor with metahronic lesion of the thyroid, uterus and breast, followed by synchronous benign tumors of the subcutaneous fat, urinary bladder and gallbladder were considered...
January 19, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28214032/picking-on-fibroblast-growth-factor-receptors-as-bladder-cancer-therapeutic-targets
#5
EDITORIAL
Miriam Marqués, Francisco X Real
No abstract text is available yet for this article.
February 14, 2017: European Urology
https://www.readbyqxmd.com/read/28213861/peri-operative-allogeneic-blood-transfusion-and-outcomes-after-radical-cystectomy-a-population-based-study
#6
D Robert Siemens, Melanie T Jaeger, Xuejiao Wei, Francisco Vera-Badillo, Christopher M Booth
INTRODUCTION: To describe factors associated with peri-operative blood transfusion (PBT) at radical cystectomy (RC) for patients with bladder cancer and evaluate its association on both early and late outcomes. METHODS: Electronic records of treatment and surgical pathology reports were linked to the population-based Ontario Cancer Registry to identify all patients who underwent RC between 2000 and 2008. Modified Poisson regression model was used to determine the factors associated with PBT...
February 17, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28213769/the-patients-experience-of-a-bladder-cancer-diagnosis-a-systematic-review-of-the-qualitative-evidence
#7
REVIEW
Amanda J Edmondson, Jacqueline C Birtwistle, James W F Catto, Maureen Twiddy
PURPOSE: Bladder cancer (BC) is a common disease with disparate treatment options and variable outcomes. Despite the disease's high prevalence, little is known of the lived experience of affected patients. National patient experience surveys suggest that those with BC have poorer experiences than those with other common cancers. The aim of this review is to identify first-hand accounts of the lived experiences of diagnosis through to survivorship. METHOD: This is a systematic review of the qualitative evidence reporting first-hand accounts of the experiences of being diagnosed with, treated for and surviving bladder cancer...
February 17, 2017: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/28213277/fluorescence-and-computed-tomography-for-assessing-the-biodistribution-of-sirna-after-intratracheal-application-in-mice
#8
Antonia Geyer, Cornelia Lorenzer, Sebastian Gehrig, Manuela Simlinger, Johannes Winkler, Haider Sami, Manfred Ogris
Pulmonary delivery of nucleic acids opens the possibility for direct treatment of lung diseases, like fibrosis, cancer, and infections. Lung retention and biodistribution of nucleic acids remain important issues for the development of suitable therapeutic approaches. Moreover, monitoring the dynamic biodistribution processes of siRNA after aerosol delivery can help in identifying bottlenecks and optimising therapeutic concepts. We investigated dynamic biodistribution events after intratracheal application of chemically stabilised siRNA labeled with near infrared emitting dye AlexaFluor750 (AF750)...
February 14, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28213097/self-assembled-tumor-targeting-hyaluronic-acid-nanoparticles-for-photothermal-ablation-in-orthotopic-bladder-cancer
#9
Tingsheng Lin, Ahu Yuan, Xiaozhi Zhao, Huibo Lian, Junlong Zhuang, Wei Chen, Qing Zhang, Guangxiang Liu, Shiwei Zhang, Wei Chen, Wenmin Cao, Chengwei Zhang, Jinhui Wu, Yiqiao Hu, Hongqian Guo
: Bladder cancer is one of the most frequent malignancies in the urinary system. Radical cystectomy is inevitable when bladder cancer progresses to a muscle-invasive disease. However, cystectomy still causes a high risk of death and a low quality of life (such as ureter-abdomen ostomy, uroclepsia for ileal-colon neobladder). Therefore, more effective treatments as well as bladder preservation are needed. We developed self-assembled tumor-targeting hyaluronic acid-IR-780 nanoparticles for photothermal ablation in over-expressing CD44 (the receptor for HA) bladder cancer, which show high tumor selectivity, high treatment efficacy, good bioavailability, and excellent biocompatibility...
February 14, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28212731/hamlet-a-protein-lipid-complex-with-broad-tumoricidal-activity
#10
REVIEW
James C S Ho, Aftab Nadeem, Catharina Svanborg
HAMLET (Human Alpha-lactalbumin Made LEthal to Tumor cells) is a tumoricidal protein-lipid complex with broad effects against cancer cells of different origin. The therapeutic potential is emphasized by a high degree of specificity for tumor tissue. Here we review early studies of HAMLET, in collaboration with the Orrenius laboratory, and some key features of the subsequent development of the HAMLET project. The early studies focused on the apoptotic response that accompanies death in HAMLET treated tumor cells and the role of mitochondria in this process...
January 15, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28212658/c-met-expression-and-activity-in-urogenital-cancers-novel-aspects-of-signal-transduction-and-medical-implications
#11
REVIEW
Ralf Hass, Susanne Jennek, Yuanyuan Yang, Karlheinz Friedrich
C-Met is a receptor tyrosine kinase with multiple functions throughout embryonic development, organogenesis and wound healing and is expressed in various epithelia. The ligand of c-Met is Hepatocyte Growth Factor (HGF) which is secreted among others by mesenchymal stroma/stem (MSC) cells.Physiological c-Met functions are centred around processes that underly cellular motility and invasive growth. Aberrant c-Met expression and activity is observed in numerous cancers and makes major contributions to cell malignancy...
February 17, 2017: Cell Communication and Signaling: CCS
https://www.readbyqxmd.com/read/28212556/urinary-cell-microrna-based-prognostic-classifier-for-non-muscle-invasive-bladder-cancer
#12
Mercedes Ingelmo-Torres, Juan José Lozano, Laura Izquierdo, Albert Carrion, Meritxell Costa, Lidia Gómez, María José Ribal, Antonio Alcaraz, Lourdes Mengual
Current prognostic tools for non-muscle invasive bladder cancer (NMIBC) do not have enough discriminative capacity to predict the risk of tumour progression. This study aimed to identify urinary cell microRNAs that may be useful as non-invasive predictive biomarkers of tumour progression in NMIBC patients. To this end, 210 urine samples from NMIBC patients were included in the study. RNA was extracted from urinary cells and expression of 8 microRNAs, previously described by our group, was analysed by quantitative PCR...
February 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28210516/immunohistochemical-investigation-of-her-akt-mtor-pathway-and-cellular-adhesion-molecules-in-urothelial-carcinomas
#13
Nikolaos Koletsas, Triantafyllia Koletsa, Spyros Choidas, Konstantinos Anagnostopoulos, Stavros Touloupidis, Thomas Zaramboukas, Georgia Raptou, Nikolaos Papadopoulos, Maria Lambropoulou
Background. Several investigators have suggested the possibility that the expression of both EGFR and HER2 could be utilized for molecularly targeted therapy in urinary bladder cancer. We tried to evaluate the expression of HER2 and EGFR and activation of the AKT/PTEN/mTOR pathway in urothelial carcinomas and if there is any association between them and cellular adhesion molecules (CAMs). Materials and Methods. Forty-one paraffin-embedded urothelial cancer tissue blocks were collected. Immunostains for HER2, EGFR, MIB1, phospho-AKT, PTEN, phospho-mTOR, e-cadherin, p-cadherin, and b-catenin were performed on tissue microarrays sections...
2017: Pathology Research International
https://www.readbyqxmd.com/read/28209906/first-evaluation-of-pet-based-human-biodistribution-and-dosimetry-of-18-f-faza-a-tracer-for-imaging-tumor-hypoxia
#14
Savi Annarita, Elena Incerti, Federico Fallanca, Valentino Bettinardi, Francesca Rossetti, Cristina Monterisi, Antonia Compierchio, Giampiero Negri, Piero Zannini, Luigi Gianolli, Maria Picchio
Fluorine-18 labelled fluoroazomycinarabinoside ((18)F-FAZA) is a positron emission tomography (PET) biomarker for non-invasive identification of regional tumor hypoxia. Aim of the present Phase I study was to firstly evaluate in non-small cell lung cancer patients the human biodistribution and dosimetry of (18)F-FAZA. Methods: Five patients awaiting surgical resection after histologically proven or radiologically suspected non-small cell lung cancer were prospectively enrolled for the study. The patients underwent a PET/computed tomography (CT) study after the injection of 371±32 MBq of (18)F-FAZA...
February 16, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28209455/port-site-metastases-after-robotic-radical-cystectomy-a-systematic-review-and-management-options
#15
REVIEW
Pramit Khetrapal, Wei Shen Tan, Benjamin Lamb, Senthil Nathan, Tim Briggs, Arjun Shankar, Navin Ramachandran, Alex Freeman, Anita Mitra, John D Kelly
BACKGROUND: Port-site metastases (PSMs) are a rare occurrence after robotic surgery. For robot-assisted radical cystectomy (RARC), isolated cases have been reported but management has not been previously described. We present a case of PSM that occurred after RARC and report the results of our systematic review of previously reported PSMs and describe the treatment options. Search Criteria and Methods: We describe a case of a PSM in a 55-year-old man who had undergone intracorporeal RARC...
June 29, 2016: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28209239/decreased-reg1%C3%AE-expression-suppresses-growth-invasion-and-angiogenesis-of-bladder-cancer
#16
J Geng, J Fan, Q Wang, X-P Zhang, L Kang, Q-Y Li, Y-F Xu, B Peng, J-H Zheng, X-D Yao
BACKGROUND: Previous study has indicated association between REG1α and bladder cancer. The aim of this study was to investigate the role of Regenerating gene I alpha (REG1α) in bladder cancer. METHODS: The role of REG1α in bladder cancer cell proliferation, migration and VEGF-induced angiogenesis was explored in vitro and in vivo. Immunohistochemistry (IHC) analysis was assessed to determine the expression of REG1α in ten paired bladder cancer and adjacent non-cancerous tissues, and in 296 bladder cancer samples...
February 2, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28209079/acid-base-disorders-after-orthotopic-bladder-replacement-comparison-of-an-ileal-neobladder-and-an-ileal-conduit
#17
AJin Cho, Seung Min Lee, Jung Woo Noh, Don Kyoung Choi, Yongseong Lee, Sung Tae Cho, Ki Kyung Kim, Young Goo Lee, Young Ki Lee
OBJECTIVES: For many years, creation of an orthotopic neobladder after cystectomy has been popular. In the present study, we measured the extent of metabolic acidosis in patients with ileal neobladders compared with ileal conduits and defined risk factors for development of metabolic acidosis. METHODS: We retrospectively studied 95 patients, who underwent radical cystectomy and urinary diversion to treat invasive bladder cancer from January 2001 to December 2014 at Hallym University Kangnam Sacred Heart Hospital, through investigation of acid-base balance, serum electrolyte levels and renal function one month and one year after operation...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28208514/re-benefits-of-adjuvant-chemotherapy-for-bladder-cancer
#18
Sam S Chang
No abstract text is available yet for this article.
March 2017: Journal of Urology
https://www.readbyqxmd.com/read/28208261/construction-of-aiegens-based-bioprobe-with-two-fluorescent-signals-for-enhanced-monitor-of-extracellular-and-intracellular-telomerase-activity
#19
Yuan Zhuang, Chunli Shang, Xiaoding Lou, Fan Xia
Detections of telomerase activity in vitro and in living cells are of great importance for clinical diagnosis of cancer. In this work, an AIEgens-based bioprobe with two fluorescent signals for enhanced monitor of extracellular and intracellular telomerase activity is designed. After addition of telomerase, two positively charged AIEgens (Silole-R and TPE-H) bind to quencher group labeled primer (QP) and the extension repeated units, leading enhancement of two telomerase-triggered fluorescent signals. Furthermore, by combination the wider linear range in vitro and lower background in living cells imaging, the bioprobe is used to detect telomerase extracted from various cell lines (MCF-7, HeLa, E-J, and HLF), 50 bladder cancer patients' urine samples, 10 normal people's urine samples, and also applied in mapping telomerase activity inside living cells (MCF-7, HeLa, MDA-MB-231, and HT1080)...
February 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28208230/emerging-role-of-gsk-3%C3%AE-in-the-pathobiology-of-classical-hodgkin-lymphoma
#20
Claudio Agostinelli, Silvia Carloni, Francesco Limarzi, Simona Righi, Maria Antonella Laginestra, Gerardo Musuraca, Michelangelo Fiorentino, Roberta Napolitano, Antonio Cuneo, Daniele Vergara, Pier Luigi Zinzani, Sabattini Elena, Stefano A Pileri, Serena De Matteis
AIMS: GSK-3β is a serine/threonine kinase involved in glycogen metabolism, cell cycle progression, differentiation, embryogenesis, migration, metabolism, survival and cellular senescence. Its main biological function is to inhibit β-catenin by sequestration and promotion of its proteasomal degradation in the Wnt canonical pathway, however GSK-3β interacts with multiple signaling pathways and aberrant expression of the enzyme was reported in many solid neoplasms. This study aimed to investigate the biological relevance of GSK-3β in classical Hodgkin Lymphomas (cHL)...
February 16, 2017: Histopathology
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