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Prostatic adenocarcinoma

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https://www.readbyqxmd.com/read/29772622/-delay-in-high-grade-metastatic-prostate-cancer-progression-by-dutasteride-a-case-report
#1
Yuya Yamada, Hiroshi Fujiwara, Shinya Somiya, Shohei Fujikawa, Yuki Kamiyama, Masahiro Tamaki, Toshio Kanaoka
An 84-year-old man was referred to our hospital with swollen right cervical lymph nodes. Computed tomography showed right supraclavicular and mediastinal lymph node enlargement, and fluorodeoxyglucose positronemissiontomography showed multiple areas of abnormally increased radioactivity inthe right supraclavicular and mediastinal lymph nodes, right ninth rib, and left fifth and seventh ribs. Biopsy of the right supraclavicular lymph node revealed metastatic adenocarcinoma with partial immunohistochemical staining for prostate specific antigen (PSA)...
April 2018: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/29772620/-development-of-ectopic-adrenocorticotropic-hormone-syndrome-in-a-patient-with-prostate-cancer-during-combined-androgen-blockade-therapy
#2
Yosuke Sekii, Mitsuhiro Yoshinaga, Masahiro Nakagawa, Hidefumi Kishikawa, Kazumasa Oka, Kenji Nishimura
A 74-year old man presented to us with difficulty urinating. The laboratory examinations revealed an elevated prostate-specific antigen (PSA) level. A prostate biopsy revealed prostate adenocarcinoma. The computed tomography scan showed metastasis to lymph nodes in the pelvic cavity and both adrenal glands. Combined androgen blockade therapy was started, and PSA levels began to decrease gradually. However, 2 months later, he was hospitalized for treatment of cellulitis and was found to have hypertension, hyperglycemia, and hypokalemia...
April 2018: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/29765153/cox-2-mediates-pro-tumorigenic-effects-of-pkc%C3%AE%C2%B5-in-prostate-cancer
#3
Rachana Garg, Jorge M Blando, Carlos J Perez, Priti Lal, Michael D Feldman, Emer M Smyth, Emanuela Ricciotti, Tilo Grosser, Fernando Benavides, Marcelo G Kazanietz
The pro-oncogenic kinase PKCε is overexpressed in human prostate cancer and cooperates with loss of the tumor suppressor Pten for the development of prostatic adenocarcinoma. However, the effectors driving PKCε-mediated phenotypes remain poorly defined. Here, using cellular and mouse models, we showed that PKCε overexpression acts synergistically with Pten loss to promote NF-κB activation and induce cyclooxygenase-2 (COX-2) expression, phenotypic traits which are also observed in human prostate tumors. Targeted disruption of PKCε from prostate cancer cells impaired COX-2 induction and PGE2 production...
May 16, 2018: Oncogene
https://www.readbyqxmd.com/read/29761525/ets2-is-a-prostate-basal-cell-marker-and-is-highly-expressed-in-prostate-cancers-aberrantly-expressing-p63
#4
Alba Torres, Mohammed Alshalalfa, Elai Davicioni, Anuj Gupta, Srinivasan Yegnasubramanian, Sarah J Wheelan, Jonathan I Epstein, Angelo M De Marzo, Tamara L Lotan
BACKGROUND: Rare prostate carcinomas aberrantly express p63 and have an immunophenotype intermediate between basal and luminal cells. Here, we performed gene expression profiling on p63-expressing prostatic carcinomas and compared them to usual-type adenocarcinoma. We identify ETS2 as highly expressed in p63-expressing prostatic carcinomas and benign prostate basal cells, with lower expression in luminal cells and primary usual-type adenocarcinomas. METHODS: A total of 8 p63-expressing prostate carcinomas at radical prostatectomy were compared to 358 usual-type adenocarcinomas by gene expression profiling performed on formalin fixed paraffin embedded tumor tissue using Affymetrix 1...
May 15, 2018: Prostate
https://www.readbyqxmd.com/read/29761076/synchronous-bone-metastasis-from-multiple-myeloma-and-prostate-adenocarcinoma-as-initial-presentation-of-coexistent-malignancies
#5
Diego Andres Adrianzen Herrera, Shlomit Goldberg-Stein, Alexander Sankin, Judy Sarungbam, Janaki Sharma, Benjamin A Gartrell
The radiographic appearance of bone metastases is usually determined by tumor histology and can be osteolytic, osteoblastic, or mixed. We present a patient with coexistent bone metastasis from multiple myeloma and prostate adenocarcinoma who exhibited synchronous bone involvement of both histologies within the same bone lesion, a rare phenomenon that has not been previously reported and led to atypical radiographic findings. The radiograph of a 71-year-old man with thigh swelling and pain demonstrated a lytic femoral lesion...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/29759485/roles-of-alternative-rna-splicing-of-the-bif-1-gene-by-srrm4-during-the-development-of-treatment-induced-neuroendocrine-prostate-cancer
#6
Yu Gan, Yinan Li, Zhi Long, Ahn R Lee, Ning Xie, Jessica M Lovnicki, Yuxin Tang, Xiang Chen, Jiaoti Huang, Xuesen Dong
Treatment-induced neuroendocrine prostate cancer (t-NEPC) is an aggressive subtype of prostate cancer (PCa) that becomes more prevalent when hormonal therapy, chemotherapy, or radiation therapy is applied to patients with metastatic prostate adenocarcinoma (AdPC). How AdPC cells survive these anti-cancer therapies and progress into t-NEPC remains unclear. By comparing the whole transcriptomes between AdPC and t-NEPC, we identified Bif-1, an apoptosis-associated gene, which undergoes alternative RNA splicing in t-NEPC...
May 11, 2018: EBioMedicine
https://www.readbyqxmd.com/read/29758192/gastric-mucosal-metastasis-of-prostate-cancer
#7
Hayretdin Koklu, Gokhan Gedikoglu, Taylan Kav
A 65-year-old male patient who had been hospitalized in the ıntensive care unit for pneumonia presented with hematemesis and melena. He was diagnosed with metastatic adenocarcinoma of prostate (multiple bone and lung metastases), which was accompanied by diabetes mellitus, hypertension, and coronary heart disease. The hemoglobin levels decreased from 11.4 g/dL to 7.3 g/dL during follow-up. Upper endoscopy revealed widespread distribution of numerous umbilicated nodules with varying sizes (from 0.5 to 2 cm) on gastric mucosa (A, B, C)...
May 11, 2018: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/29757368/the-long-noncoding-rna-landscape-of-neuroendocrine-prostate-cancer-and-its-clinical-implications
#8
Varune Rohan Ramnarine, Mohammed Alshalalfa, Fan Mo, Noushin Nabavi, Nicholas Erho, Mandeep Takhar, Robert Shukin, Sonal Brahmbhatt, Alexander Gawronski, Maxim Kobelev, Mannan Nouri, Dong Lin, Harrison Tsai, Tamara L Lotan, R Jefferey Karnes, Mark A Rubin, Amina Zoubeidi, Martin E Gleave, Cenk Sahinalp, Alexander W Wyatt, Stanislav V Volik, Himisha Beltran, Elai Davicioni, Yuzhuo Wang, Colin C Collins
Background: Treatment induced neuroendocrine prostate cancer (tNEPC) is an aggressive variant of late-stage metastatic castrate resistant (mCRPC) prostate cancer that commonly arises through neuroendocrine transdifferentiation (NEtD). Treatment options are limited, ineffective, and for most patients, results in death in less than a year. We previously developed a first-in-field patient-derived xenograft (PDX) model of NEtD. Longitudinal deep transcriptome profiling of this model enabled monitoring of dynamic transcriptional changes during NEtD and in the context of androgen deprivation...
May 10, 2018: GigaScience
https://www.readbyqxmd.com/read/29755557/evaluation-of-silibinin-effects-on-the-viability-of-hepg2-human-hepatocellular-liver-carcinoma-and-huvec-human-umbilical-vein-endothelial-cell-lines
#9
Niki Vakili Zahir, Maryam Nakhjavani, Parastoo Hajian, Farshad H Shirazi, Hamidreza Mirzaei
Human hepatocellular carcinoma is one of the most common recurrent malignancies since there is no effective therapy for it. Silibinin, a widely used drug and supplement for various liver disorders, demonstrated anti-cancer effects on human hepatocellular carcinoma, human prostate adenocarcinoma cells, human breast carcinoma cells, human ectocervical carcinoma cells, and human colon cancer cells. Considering the anti-hepatotoxic activity of silibinin and its strong preventive and anti-cancer efficacy against various epithelial cancers, we investigated the efficacy of silibinin against human HCC and HUVEC cell lines...
2018: Iranian Journal of Pharmaceutical Research: IJPR
https://www.readbyqxmd.com/read/29755405/dual-paraneoplastic-endocrine-syndromes-heralding-onset-of-extrapulmonary-small-cell-carcinoma-a-case-report-and-narrative-review
#10
Jill B Feffer, Natalia M Branis, Jeanine B Albu
Objective: Extrapulmonary small cell carcinoma (EPSCC) is rare and frequent metastases at presentation can complicate efforts to identify a site of origin. In particular, SCC comprises <1% of prostate cancers and has been implicated in castration resistance. Methods: Clinical, laboratory, imaging, and pathology data are presented. Results: A 56-year-old man with locally advanced prostate adenocarcinoma on androgen deprivation therapy presented with a clogged nephrostomy tube...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29748182/a-pdx-organoid-biobank-of-advanced-prostate-cancers-captures-genomic-and-phenotypic-heterogeneity-for-disease-modeling-and-therapeutic-screening
#11
Michael L Beshiri, Caitlin M Tice, Crystal Tran, Holly M Nguyen, Adam G Sowalsky, Supreet Agarwal, Keith H Jansson, Qi Yang, Kerry A McGowen, Juan Juan Yin, Aian Neil Alilin, Fatima H Karzai, William Dahut, Eva Corey, Kathleen Kelly
PURPOSE: Prostate cancer translational research has been hampered by the lack of comprehensive and tractable models   that represent the genomic landscape of clinical disease. Metastatic castrate-resistant prostate cancer (mCRPC) patient-derived xenografts (PDXs) recapitulate the genetic and phenotypic diversity of the disease. We sought to establish a representative, preclinical platform of PDX-derived organoids that is experimentally facile for high throughput and mechanistic analysis...
May 10, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29741977/laparoscopic-pelvic-exenteration-for-locally-advanced-rectal-cancer-technique-and-short-term-outcomes
#12
Ashish Pokharkar, Praveen Kammar, Ashwin D'souza, Rahul Bhamre, Pavan Sugoor, Avanish Saklani
BACKGROUND: Since last two decades minimally invasive techniques have revolutionized surgical field. In 2003 Pomel first described laparoscopic pelvic exenteration, since then very few reports have described minimally invasive approaches for total pelvic exenteration. METHODS: We report the 10 cases of locally advanced rectal adenocarcinoma which were operated between the periods from March 1, 2017 to November 11, 2017 at the Tata Memorial Hospital, Mumbai. All male patients had lower rectal cancer with prostate involvement on magnetic resonance imaging (MRI)...
May 9, 2018: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/29740534/genomic-dna-methylation-derived-algorithm-enables-accurate-detection-of-malignant-prostate-tissues
#13
Erfan Aref-Eshghi, Laila C Schenkel, Peter Ainsworth, Hanxin Lin, David I Rodenhiser, Jean-Claude Cutz, Bekim Sadikovic
Introduction: The current methodology involving diagnosis of prostate cancer (PCa) relies on the pathology examination of prostate needle biopsies, a method with high false negative rates partly due to temporospatial, molecular, and morphological heterogeneity of prostate adenocarcinoma. It is postulated that molecular markers have a potential to assign diagnosis to a considerable portion of undetected prostate tumors. This study examines the genome-wide DNA methylation changes in PCa in search of genomic markers for the development of a diagnostic algorithm for PCa screening...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/29736376/a-rare-case-of-isolated-castrate-resistant-bilateral-testicular-metastases-in-advanced-prostate-cancer
#14
Jiarui Su, Edwin Jonathan Aslim, Hakan Aydin, Puay Hoon Tan, Henry Sun Sien Ho
Testicular metastasis is rare with the prostate being the most common site of primary cancer. We report a case of a 72-year-old man with castration-resistant prostate cancer (CRPC) and known metastases to bone and lymph nodes, who developed bilateral painful swollen testes 3 years after the initial diagnosis of prostate cancer. He had first presented with lower urinary tract symptoms (LUTS) with suspicious findings on digital rectal examination of the prostate, and an elevated serum prostate specific antigen (PSA) level of 129 ng/mL...
April 2018: Asian Journal of Urology
https://www.readbyqxmd.com/read/29731799/beware-of-bone-marrow-incidental-detection-and-primary-diagnosis-of-solid-tumours-in-bone-marrow-aspiration-and-biopsies-a-study-of-22-cases
#15
Ruchita Tyagi, Aminder Singh, Bhavna Garg, Neena Sood
Background & objective: Introduction: First detection of any solid tumour as metastatic deposits in bone marrow directs clinicians to start searching for the primary tumour. Detection of bone marrow metastasis determines the stage of the malignancy, prognosis, mode of treatment, chemotherapeutic response and follow-up in case of relapse. The aim of the current study was to analyse the clinico-haematological presentation and morphological pattern of infiltration of solid tumours detected first as metastatic deposits on bone marrow examination...
2018: Iranian Journal of Pathology
https://www.readbyqxmd.com/read/29728311/expression-of-neuroendocrine-differentiation-markers-in-lethal-metastatic-castration-resistant-prostate-cancer
#16
Miika Sainio, Tapio Visakorpi, Teemu Tolonen, Joanna Ilvesaro, G Steven Bova
Neuroendocrine differentiation (NED) is a common phenomenon in prostate cancer, and it has been associated with poor prognosis in some studies of primary prostate cancer. Incidence and patterns of NED in metastatic prostate cancer sites have not been examined widely. In this study, we studied expression of three commonly used markers of NED (chromogranin A, neuron specific enolase and synaptophysin) in 89 metastases from 31 men that died of castration-resistant prostate cancer and underwent rapid autopsy, and in 89 hormone-naïve primary tumors removed by radical prostatectomy...
April 26, 2018: Pathology, Research and Practice
https://www.readbyqxmd.com/read/29725504/robust-genomic-copy-number-predictor-of-pan-cancer-metastasis
#17
Alexander Pearlman, Kinnari Upadhyay, Kim Cole, John Loke, Katherine Sun, Susan Fineberg, Stephen J Freedland, Yongzhao Shao, Harry Ostrer
Copy number alterations(CNAs) are the most common genetic changes observed in many cancers, reflecting the innate chromosomal instability of this disorder. Yet, how these alterations affect gene function to promote metastases across different tumor types has not been established. In this study, we developed a pan-cancer metastasis potential score (panMPS) based on observed CNAs. panMPS predicts metastasis and metastasis-free survival in cohorts of patients with prostate cancer, triple negative breast cancer and lung adenocarcinoma, and overall survival in the Metabric breast cancer cohort and three cohorts from The Cancer Genome Atlas (TCGA), including prostate, breast and lung adenocarcinoma...
January 2018: Genes & Cancer
https://www.readbyqxmd.com/read/29723459/-clinicopathological-features-of-primary-seminal-vesicle-adenocarcinoma-a-report-of-4-cases-and-review-of-the-literature
#18
Jia-Ning Guo, Hui Li, Zhan-Dong Hu, En-Li Liang, Ji-Wu Chang
Objective: To investigate the clinicopathological characteristics, diagnosis, and treatment of primary seminal vesicle adenocarcinoma (SVAC). METHODS: We analyzed the clinical data and clinicopathological characteristics of 4 cases of primary SVAC treated in the Department of Urology of the Second Hospital of Tianjin Medical University and reviewed relevant literature. RESULTS: All the 4 patients were treated by open radical resection of the seminal vesicle and prostate and pathologically diagnosed with SVAC...
July 2017: Zhonghua Nan Ke Xue, National Journal of Andrology
https://www.readbyqxmd.com/read/29719323/saudi-oncology-society-and-saudi-urology-association-combined-clinical-management-guidelines-for-prostate-cancer-2017
#19
REVIEW
Ali Aljubran, Ashraf Abusamra, Sultan Alkhateeb, Mohammed Alotaibi, Danny Rabah, Shouki Bazarbashi, Hussain Alkushi, Mubarak Al-Mansour, Hulayel Alharbi, Amin Eltijani, Abdullah Alghamdi, Abdullah Alsharm, Imran Ahmad, Esam Murshid
This is an update to the previously published Saudi guidelines for the evaluation and medical and surgical management of patients diagnosed with prostate cancer. Prostate cancer is categorized according to the stage of the disease using the tumor node metastasis staging system 7th edition. The guidelines are presented with supporting evidence levels based on a comprehensive literature review, several internationally recognized guidelines, and the collective expertise of the guidelines committee members (authors) who were selected by the Saudi Oncology Society and Saudi Urological Association...
April 2018: Urology Annals
https://www.readbyqxmd.com/read/29716834/primary-lung-adenocarcinoma-with-68-gallium-prostate-specific-membrane-antigen-pet-ct-scan-avidity-in-a-patient-on-surveillance-after-prostatectomy
#20
Jun Yang Chia, Hoi Yin Loi, Lih Kin Khor, King Chien Joe Lee, Yi Heng Seow
No abstract text is available yet for this article.
March 27, 2018: Clinical Genitourinary Cancer
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