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https://www.readbyqxmd.com/read/28332145/-the-role-of-pelvic-irradiation-in-node-negative-prostate-adenocarcinoma-remains-unclear-long-term-results-from-the-getug-01-study
#1
Matthias G Hautmann, Oliver Kölbl
No abstract text is available yet for this article.
March 22, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28325365/macrocystic-ductal-adenocarcinoma-of-prostate-a-rare-gross-appearance-of-prostate-cancer
#2
Fumiyoshi Kojima, Hiroyuki Koike, Ibu Matsuzaki, Yoshifumi Iwahashi, Kenji Warigaya, Masakazu Fujimoto, Kazuo Ono, Youji Urata, Yasuo Kohjimoto, Isao Hara, Shin-Ichi Murata
Macroscopic cyst-formation by prostatic adenocarcinoma, herein referred to as macrocystic prostatic adenocarcinoma (MPA), is extremely rare. To date, no studies of prostate cancer performed based on gross cystic appearance have been reported. MPA can include various diseases, one of which is cystadenocarcinoma. Several cases of ductal adenocarcinoma exhibiting a macrocystic appearance have recently been reported; however, the histological and clinicopathological characteristics of MPAs have yet to be characterized and established...
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28325359/immunohistochemistry-in-the-workup-of-prostate-biopsies-frequency-variation-and-appropriateness-of-use-among-pathologists-practicing-at-an-academic-center
#3
Sameer Al Diffalha, Mohanad Shaar, Güliz A Barkan, Eva M Wojcik, Maria M Picken, Stefan E Pambuccian
OBJECTIVES: We studied the frequency, inter-pathologist variation, appropriateness and utility of immunohistochemistry (IHC) performed on prostate biopsies (PB) to determine the significance of foci of suspicious glands/atypical small acinar proliferations (ASAP). METHODS: We calculated the rate of IHC use and diagnostic rate of ASAP and adenocarcinoma in PB from 01/01/2008 to 06/30/2015 for individual pathologists working in a tertiary academic institution, and correlated them with the pathologists' experience, subspecialization and PB volume with the aim of determining the interpathologist variation and appropriateness of use of IHC according to recently published recommendations, and the usefulness of IHC to resolve foci of ASAP as either benign or adenocarcinoma...
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28324007/aberrant-tgf-%C3%AE-signaling-drives-castration-resistant-prostate-cancer-in-a-male-mouse-model-of-prostate-tumorigenesis
#4
Hong Pu, Diane Begemann, Natasha Kyprianou
The androgen receptor (AR) plays a critical role as a driver of castration-resistant-prostate cancer (CRPC). Our previous studies demonstrated that disruption of transforming growth factor-β (TGF-β) signaling via introduction of dominant-negative TGF-β type II receptor (DNTGF-RβII) in the prostate epithelium of transgenic adenocarcinoma of the prostate (TRAMP) mice accelerated tumor. This study investigated the consequences of disrupted TGF-β signaling on prostate tumor growth under conditions of castration-induced androgen deprivation (ADT) in the pre-clinical model DNTGFβRII...
March 16, 2017: Endocrinology
https://www.readbyqxmd.com/read/28321773/salivary-duct-carcinoma-an-update-on-morphologic-mimics-and-diagnostic-use-of-androgen-receptor-immunohistochemistry
#5
Aaron M Udager, Simion I Chiosea
More than 15 years ago, seminal studies by Dr. E. Leon Barnes and colleagues transformed our understanding of salivary duct carcinoma (SDC) and, in doing so, paved the way for contemporary diagnostic and therapeutic approaches to this aggressive salivary adenocarcinoma. In particular, attention to the apocrine phenotype of SDC and expression of androgen receptor (AR) by immunohistochemistry has improved the diagnostic accuracy and showed how SDC can be reliably distinguished from its morphologic mimics (i.e...
March 20, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28319496/the-utility-of-68ga-psma-pet-ct-in-poorly-differentiated-metastatic-prostate-cancer
#6
Mehmet Onur Demirkol, Murat Can Kiremit, Omer Acar, Burcu Ucar, Yesim Saglican
We aimed to emphasize how useful PSMA PET/CT findings can be while trying to restage prostate cancer after radical prostatectomy in the presence of low prostate-specific antigen values. A 64-year-old man with pT3b N1 M0 Gleason 7 adenocarcinoma of the prostate presented 5 years postoperatively with a palpable axillary mass, whereas his prostate-specific antigen was 0.08 ng/mL. Conventional imaging studies and histopathologic findings of the axillary mass biopsy revealed inconclusive results. Ga-PSMA PET/CT demonstrated PSMA-positive metastatic lesions, the largest one being located in the right axilla...
March 17, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28319070/foxa1-inhibits-prostate-cancer-neuroendocrine-differentiation
#7
J Kim, H Jin, J C Zhao, Y A Yang, Y Li, X Yang, X Dong, J Yu
Neuroendocrine prostate cancer (NEPC) has increasingly become a clinical challenge. The mechanisms by which neuroendocrine (NE) cells arises from prostate adenocarcinoma cells are poorly understood. FOXA1 is a transcription factor of the forkhead family that is required for prostate epithelial differentiation. In this study, we demonstrated that FOXA1 loss drives NE differentiation, demarcated by phenotypical changes and NEPC marker expressions. Mechanistically, this is mediated by FOXA1 binding to the promoter of interleukin 8 (IL-8), a chemokine previously shown elevated in NEPC, to directly inhibit its expression...
March 20, 2017: Oncogene
https://www.readbyqxmd.com/read/28316088/gata3-expression-in-benign-prostate-glands-with-radiation-atypia-a-diagnostic-pitfall
#8
Wei Tian, David Dorn, Shi Wei, Ronald D Sanders, Andres Matoso, Rajal B Shah, Jennifer Gordetsky
OBJECTIVE: Patients who have undergone prostate radiation are at an increased risk for developing urothelial carcinoma. Radiation changes can cause significant cytologic atypia in benign prostate glands that may mimic pagetoid spread of urothelial carcinoma. GATA3 is a common marker to differentiate prostatic adenocarcinoma from urothelial carcinoma. We investigated the expression of GATA3 in the epithelium of irradiated benign and malignant prostate tissue. METHODS: We performed a retrospective review of prostate cases with radiation atypia...
March 17, 2017: Histopathology
https://www.readbyqxmd.com/read/28306533/ros-mediated-induction-of-apoptosis-by-benzoquinone-embelin-in-human-colon-adenocarcinoma-cells-ht-29
#9
Kodandaram Sumalatha, Mohan Gowda, Sreepriya Meenakshisundaram
Background Embelin is a benzoquinone reported to possess anticancer activity in several in vivo and in vitro models of carcinogenesis, especially hematopoietic and prostate malignancy. A detailed investigation on the influence of embelin on epithelial malignancy model system, especially colon adenocarcinoma, is lacking. The objective of the current study is to investigate the antiproliferative, antiinvasive and proapoptotic potential of embelin on colon adenocarcinoma cell line HT-29. Methods The effect of embelin (35 µg/mL for 24 h) on cell proliferation was assessed by Sulforhodamine B assay and bromodeoxyuridine incorporation test, antiinvasive effect by Boyden chamber assay and scratch assay...
March 17, 2017: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/28296775/giant-hepatic-metastasis-in-a-patient-with-coin-like-small-cell-lung-carcinoma-incidentally-diagnosed-at-autopsy-a-case-report
#10
Decebal Fodor, Simona Gurzu, Anca Otilia Contac, Ioan Jung
RATIONALE: Encephalopathy is a rare complication of hepatic metastases. In this paper we present a case of a patient with lung cancer and metastatic-related giant hepatomegaly. PATIENT CONCERNS: A 78-year-old previously healthy male was admitted in the Emergency room in hepatic coma. DIAGNOSES: The abdominal CT scan examination revealed a huge liver filled with solid nodules. INTERVENTIONS: No interventions were performed...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28292742/fatty-acid-synthesis-intermediates-represent-novel-noninvasive-biomarkers-of-prostate-cancer-chemoprevention-by-phenethyl-isothiocyanate
#11
Krishna B Singh, Shivendra V Singh
Increased de novo synthesis of fatty acids is a distinctive feature of prostate cancer, which continues to be a leading cause of cancer-related deaths among American men. Therefore, inhibition of de novo fatty acid synthesis represents an attractive strategy for chemoprevention of prostate cancer. We have shown previously that dietary feeding of phenethyl isothiocyanate (PEITC), a phytochemical derived from edible cruciferous vegetables such as watercress, inhibits incidence and burden of poorly-differentiated prostate cancer in Transgenic Adenocarcinoma of Mouse Prostate (TRAMP) model...
March 14, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/28290067/expert-system-classifier-for-adaptive-radiation-therapy-in-prostate-cancer
#12
Gabriele Guidi, Nicola Maffei, Claudio Vecchi, Giovanni Gottardi, Alberto Ciarmatori, Grazia Maria Mistretta, Ercole Mazzeo, Patrizia Giacobazzi, Frank Lohr, Tiziana Costi
A classifier-based expert system was developed to compare delivered and planned radiation therapy in prostate cancer patients. Its aim is to automatically identify patients that can benefit from an adaptive treatment strategy. The study predominantly addresses dosimetric uncertainties and critical issues caused by motion of hollow organs. 1200 MVCT images of 38 prostate adenocarcinoma cases were analyzed. An automatic daily re-contouring of structures (i.e. rectum, bladder and femoral heads), rigid/deformable registration and dose warping was carried out to simulate dose and volume variations during therapy...
March 13, 2017: Australasian Physical & Engineering Sciences in Medicine
https://www.readbyqxmd.com/read/28287433/theranostic-value-of-multimers-lessons-learned-from-trimerization-of-neurotensin-receptor-ligands-and-other-targeting-vectors
#13
Simone Maschauer, Jürgen Einsiedel, Dominik Reich, Harald Hübner, Peter Gmeiner, Hans-Jürgen Wester, Olaf Prante, Johannes Notni
Neurotensin receptor 1 (NTS1) is overexpressed on a variety of cancer entities; for example, prostate cancer, ductal pancreatic adenocarcinoma, and breast cancer. Therefore, it represents an interesting target for the diagnosis of these cancers types by positron emission tomography (PET) [...].
March 10, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/28285840/secondary-malignancies-after-rectal-cancer-resection-with-and-without-radiation-therapy-a-propensity-adjusted-population-based-seer-analysis
#14
Rene Warschkow, Ulrich Güller, Thomas Cerny, Bruno Martin Schmied, Ludwig Plasswilm, Paul Martin Putora
BACKGROUND: The relationship between radiation therapy for rectal cancer and secondary malignancies is debated. The present study is the first population-based analysis using conventional multivariable analyses as well as propensity score matching to assess this relationship. METHODS: Overall, 77,484 patients after resection of localized or locally advanced rectal adenocarcinoma diagnosed between 1973 and 2012 were identified in the Surveillance, Epidemiology, and End Results (SEER) registry...
March 9, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28278652/chemical-constituents-and-in-vitro-biological-activities-of-eremurus-spectabilis-leaves
#15
Leyla Karakaya, Yurdanur Akgül, Ayşe Nalbantsoy
In the present study, phytochemical investigation of the young leaves of Eremurus spectabilis let to the isolation six compounds (1-6). Their structure was determined by spectroscopic analysis and comparison with the literature data. All compounds were isolated for the first time from E. spectabilis. Isolated compounds and prepared extracts did not show cytotoxic activity against HeLa (Human cervix adenocarcinoma), A-549 (Human alveolar adenocarcinoma), MCF-7 (Human breast adenocarcinoma), mPANC96 (Human pancreas adenocarcinoma), U87MG (Glioblastoma), PC3 (Prostate), CaCo-2 (Colon), HEK293 (Human embryonic kidney cells) cell lines...
February 20, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28267911/-360-degrees-instrumentation-for-cervical-instability-due-to-metastatic-bone-disease-case-report
#16
J E Vargas-Jasso, M A Clara-Altamirano, G Reyes-Soto, M Cuéllar-Hubbe, J A Mejía-Pérez
INTRODUCTION: The spine is the most common site for bone metastases; being the breast, prostate and lung cancer which have most affected. The thoracic spine is involved in 70% of cases, followed by the lumbar and cervical region. MATERIAL AND METHODS: This is a 59 years old female diagnosed with breast adenocarcinoma and metastatic bone disease in cervical spine C2, C3 level and instability of that segment because of a compression fracture of C3 greater than 80% without invasion of the spinal canal, she begins with paresthesias of upper limbs...
July 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28264539/-port-site-metastasis-of-prostate-cancer-after-robot-assisted-laparoscopic-prostatectomy-a-case-report
#17
Ryosuke Ikeuchi, Takuro Sunada, Takeshi Yoshikawa, Toru Yoshida, Yoko Iwasa, Takehiko Segawa
The incidence of port-site metastasis in urologic laparoscopic surgery is low, especially in prostate cancer, with 4 reported cases to date. A 65-year-old man was introduced to our hospital presenting with gross hematuria and dysuria. His prostate-specific antigen (PSA) level was 3.1 ng/ml. He was diagnosed with poorly differentiated adenocarcinoma of the prostate, Gleason 9 (5+4), cT3aN0M0 with non-invasive urothelial cancer of bladder (pTaN0M0, low grade). Robot-assisted laparoscopic prostatectomy was performed...
February 2017: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/28256480/multiple-primary-cancers-simultaneously-occurring-prostate-cancer-and-other-primary-tumors-our-experience-and-literature-search
#18
A A Popoola, O O Abiola, T Buhari, A F Ushie, H B Olanipekun, A K Arogundade
INTRODUCTION: Prostate cancer is a leading cause of death in men all over the world, and it is becoming an increasing public health burden in sub-Saharan Africa. In our practice, we identified that prostate cancer co-existed with other primary cancers even in noncontiguous regions of the body and this co-existence impacted on our management of these patients. MATERIALS AND METHODS: We retrospectively studied a 2-year period (June 2012-July 2014), the records of patients in our hospital with prostate cancer, who in addition, had other primary cancers; and studied the management and outcomes of these patients...
March 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28255844/nanosomal-docetaxel-lipid-suspension-a-guide-to-its-use-in-cancer
#19
Kate McKeage
Nanosomal docetaxel lipid suspension (NDLS) [DoceAqualip] is a novel formulation of docetaxel approved in India for the treatment of breast cancer, hormone-refractory prostate cancer, locally advanced squamous cell carcinoma of the head and neck, non-small cell lung cancer and advanced gastric adenocarcinoma. The lipid-based delivery system of NDLS eliminates the need for polysorbate 80 and ethanol, which are contained in the conventional docetaxel formulation and are associated with hypersensitivity reactions and infusion-related toxicities...
March 2, 2017: Clinical Drug Investigation
https://www.readbyqxmd.com/read/28251971/-biomarkers-of-prostate-cancer-sensitivity-to-the-sendai-virus
#20
A A Belova, A O Sosnovtseva, A V Lipatova, K M Njushko, N N Volchenko, M M Belyakov, O V Sudalenko, A A Krasheninnikov, P V Shegai, A F Sadritdinova, M S Fedorova, N V Vorobjov, B Y Alekseev, A D Kaprin, A V Kudryavtseva
Metastatic prostate cancer is often associated with either primary or intractable castration-resistant prostate cancer (CRPC), thus justifying the search for entirely new ways of treatment. Oncolytic viruses are able to selectively induce the death of tumor cells without affecting normal cells. A murine Sendai virus has potential to be used as an oncolytic agent. However, tumors vary in their sensitivity to different viruses, prompting us to attempt to identify corresponding biomarkers that reflect the interaction of cancer cells and the virus...
January 2017: Molekuliarnaia Biologiia
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