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Prostatic neoplasm

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https://www.readbyqxmd.com/read/29447642/is-it-just-a-psoriasiform-dermatitis
#1
Olalla Figueroa-Silva, Martina Espasandín-Arias, Francisco Javier García-Martínez, Virginia Fernández-Redondo, Jaime Toribio
Bazex syndrome (BS) is a rare paraneoplastic syndrome most frequently associated with squamous cell carcinomas of the upper aerodigestive tractand other tumours. Characteristically, cutaneous lesions precede the diagnosis of malignancy. We report a 72-year-old patient with 1-year history of acral dermatitis. The diagnosis of BS was based on the presence of psoriasiform acral dermatitis and the evidence of two simultaneous tumors (prostate adenocarcinoma and undifferentiated carcinoma ofthe submandibular gland)...
November 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/29375904/chest-wall-a-structure-underestimated-in-ultrasonography-part-iii-neoplastic-lesions
#2
REVIEW
Andrzej Smereczyński, Katarzyna Kołaczyk, Elżbieta Bernatowicz
Chest wall neoplasms mainly include malignancies, metastatic in particular. Differential diagnosis should include clinical data; tumor location, extent, delineation; the degree of homogeneity; the presence of calcifications; the nature of bone destruction and the degree of vascularization. The aim of the paper is to present both the benefits and limitations of ultrasound for the diagnosis of chest wall neoplasms. The neoplastic process may be limited to the chest wall; it may spread from the chest wall into the intrathoracic structures or spread from the inside of the chest towards the chest wall...
December 2017: Journal of Ultrasonography
https://www.readbyqxmd.com/read/29325693/updates-in-the-eighth-edition-of-the-tumor-node-metastasis-staging-classification-for-urologic-cancers
#3
REVIEW
Gladell P Paner, Walter M Stadler, Donna E Hansel, Rodolfo Montironi, Daniel W Lin, Mahul B Amin
The Tumor-Node-Metastasis (TNM) classification on cancer staging, jointly developed by the American Joint Commission on Cancer (AJCC) and the Union for International Cancer Control (UICC), has been updated to its 8th edition with two contemporaneous versions published by the AJCC and UICC. While the goal of the AJCC and UICC is to have identical TNM staging systems, differences exist between these two publications including in the staging of urologic cancers. Among several new facets in the AJCC staging manual, a select few of greater import include an expanded section on imaging, presentation of levels of evidence for significant changes, and endorsement of risk assessment models that pass the AJCC quality criteria such as in prostate cancer...
January 8, 2018: European Urology
https://www.readbyqxmd.com/read/29320898/did-i-miss-it-discovering-hidden-coexisting-hematological-neoplasms-a-single-institutional-review-of-100-collision-tumors
#4
Evan Himchak, Etan Marks, Yang Shi, Yanhua Wang
A collision tumor is defined as two histologically distinct tumor types identified at the same anatomic site. Hematolymphoid proliferative disorders (HLPDs), which coincide with non-hematological neoplasms, can mimic an immune response and can easily be overlooked as an immune reaction to a solid organ neoplasm, especially when low grade. In order to avoid a delay in the diagnosis of a HLPD during the workup for a non-hematological neoplasm, we identified a cohort of 100 cases with a HLPD diagnosis during the initial workup and treatment of a non-hematological neoplasm, or vice versa...
January 1, 2018: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29309457/characterization-and-surgical-management-of-metastatic-disease-of-the-tibia
#5
Simon L Greenbaum, Beverly A Thornhill, David S Geller
Osseous metastases are common in advanced cancer stages. The tibia is the appendicular skeleton bone affected third most often. However, tibial metastases are not well described. We conducted a retrospective descriptive single-institution study of patients with evidence of tibial metastatic disease in order to better characterize tibial metastases in their anatomical distribution and histology, and to describe their clinical presentation and surgical management. Using proprietary research software, we searched pathology and radiology reports and cross-referenced results with Current Procedural Terminology procedure codes to identify patients with metastatic lesions of the tibia...
November 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/29308092/long-interspersed-nuclear-element-1-expression-and-retrotransposition-in-prostate-cancer-cells
#6
Erica M Briggs, Susan Ha, Paolo Mita, Gregory Brittingham, Ilaria Sciamanna, Corrado Spadafora, Susan K Logan
Background: Long Interspersed Nuclear Element-1 (LINE-1) is an autonomous retrotransposon that generates new genomic insertions through the retrotransposition of a RNA intermediate. Expression of LINE-1 is tightly repressed in most somatic tissues to prevent DNA damage and ensure genomic integrity. However, the reactivation of LINE-1 has been documented in cancer and the role of LINE-1 protein expression and retrotransposition has become of interest in the development, progression, and adaptation of many epithelial neoplasms, including prostate cancer...
2018: Mobile DNA
https://www.readbyqxmd.com/read/29305594/egbmmda-extreme-gradient-boosting-machine-for-mirna-disease-association-prediction
#7
Xing Chen, Li Huang, Di Xie, Qi Zhao
Associations between microRNAs (miRNAs) and human diseases have been identified by increasing studies and discovering new ones is an ongoing process in medical laboratories. To improve experiment productivity, researchers computationally infer potential associations from biological data, selecting the most promising candidates for experimental verification. Predicting potential miRNA-disease association has become a research area of growing importance. This paper presents a model of Extreme Gradient Boosting Machine for MiRNA-Disease Association (EGBMMDA) prediction by integrating the miRNA functional similarity, the disease semantic similarity, and known miRNA-disease associations...
January 5, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29302754/the-first-report-of-a-5-year-period-cancer-registry-in-greece-2009-2013-a-pathology-based-cancer-registry
#8
Eleni Patsea, Loukas Kaklamanis, Anna Batistatou
Cancer registries are essential in health care, since they allow more accurate planning of necessary health services and evaluation of programs for cancer prevention and control. The Hellenic Society of Pathology (HSP) having recognized the lack of such information in Greece has undertaken the task of a 5-year pathology-based cancer registry in Greece (2009-2013). In this study, > 95% of all pathology laboratories in the national health system hospitals and 100% of pathology laboratories in private hospitals, as well as > 80% of private pathology laboratories have contributed their data...
January 4, 2018: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29301504/nine-primary-malignant-neoplasms-involving-the-esophagus-stomach-colon-rectum-prostate-and-external-ear-canal-without-microsatellite-instability-a-case-report
#9
Keiichi Arakawa, Keisuke Hata, Yoko Yamamoto, Takeshi Nishikawa, Toshiaki Tanaka, Tomomichi Kiyomatsu, Kazushige Kawai, Hiroaki Nozawa, Masafumi Yoshida, Hiroshi Fukuhara, Mitsuhiro Fujishiro, Teppei Morikawa, Tatsuya Yamasoba, Kazuhiko Koike, Masashi Fukayama, Toshiaki Watanabe
BACKGROUND: Although cases of multiple primary malignant neoplasms are increasing, reports of more than three or four primary metachronous malignant neoplasms are extremely rare. Moreover, very few publications have provided a genetic mutational analysis or have evaluated risk factors associated with such neoplasms. We present an extremely rare case of nine primary malignant lesions in a man who was successfully treated. We also report on microsatellite stability status, analyze risk factors, and discuss the relevant literature...
January 4, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29297486/mesenchymal-tumors-of-the-prostate
#10
Jesse K McKenney
Mesenchymal tumors of the prostate are rare but often cause considerable diagnostic difficulty when encountered. These may be either benign or malignant and can arise within the prostate gland or in adjacent tissues. This review covers prostatic stromal proliferations (prostatic stromal tumor of uncertain malignant potential and stromal sarcoma), solitary fibrous tumor, myofibroblastic proliferations, smooth muscle neoplasms (leiomyoma and leiomyosarcoma), gastrointestinal stromal tumor, schwannoma, rhabdomyosarcoma, sarcomatoid carcinoma, postradiation sarcoma, and mixed epithelial stromal tumor of the seminal vesicle...
January 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29290072/operations-for-suspected-neoplasms-in-a-resource-limited-setting-experience-and-challenges-in-the-eastern-democratic-of-congo
#11
Luc Malemo Kalisya, Jacques Fadhili Bake, Richard Bigabwa, David H Rothstein, Sarah B Cairo
INTRODUCTION: Surgery is an essential component of a functional health system, with surgical conditions accounting for nearly 11-15% of world disability. While communicable diseases continue to burden low- and low-middle-income countries, non-communicable diseases, such as cancer, are an important cause of morbidity and mortality worldwide. Preliminary data on malignancies in low- and middle-income countries, specifically in Africa, suggest a higher mortality compared to other regions of the world, a difference partially explained by limited availability of screening and early detection systems as well as poorer access to treatment...
December 31, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/29283383/targeted-%C3%AE-therapies-for-the-treatment-of-bone-metastases
#12
REVIEW
Fable Zustovich, Roberto Barsanti
The skeleton is the target tissue for many types of tumors, and, recently, the survival of patients with prostate cancer metastasis has been increased using α-emitting drugs known as targeted α therapies. The use of α-radiopharmaceuticals in medicine was hypothesized at the beginning of the nineteenth century after the observation that α-radionuclides were associated with high cell-killing energy and low tissue penetration in healthy tissues. In the prostate cancer (PC) scenario, current research suggests that this class of radiopharmaceuticals has limited toxicity, and that the mechanism of action does not overlap with pre-existing drugs, allowing us to extend therapeutic armaments and address medical oncology towards personalized and precision medicine...
December 28, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29279072/-single-centre-prospective-study-of-systematic-pain-evaluation-in-portuguese-patients-with-metastatic-prostate-cancer
#13
Maria Inês Sequeira, Nuno Sousa, Maria Fragoso, Alexandra Silva, Filipa Pereira, Luís Azevedo
INTRODUCTION: Pain is one of the most common symptoms reported by cancer patients and is associated with decreased quality of life. Assessment of pain with standardized questionnaires reduces variability in its interpretation and may increase effectiveness of medical interventions. Prostate cancer is the most frequent male neoplasm in Portugal. We designed this study to evaluate the impact of a standardized pain questionnaire on pain management in patients with metastatic prostate cancer...
November 29, 2017: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/29246644/docetaxel-mediated-autophagy-promotes-chemoresistance-in-castration-resistant-prostate-cancer-cells-by-inhibiting-stat3
#14
Fei Hu, Yu Zhao, Yi Yu, Jue-Min Fang, Ran Cui, Zhu-Qing Liu, Xian-Ling Guo, Qing Xu
Signal transducer and activator of transcription (STAT)3 expression is correlated with neoplasm growth, metastasis, and prognosis; it has also been implicated in the regulation of autophagy, which may in turn contribute to tumor chemoresistance. However, it is unknown whether STAT3 is involved in cancer cell survival in response to chemotherapy. In this study, we show that autophagy is triggered during chemotherapy and that inhibiting autophagy increased chemosensitivity of castration-resistant prostate cancer (CRPC) cells...
December 12, 2017: Cancer Letters
https://www.readbyqxmd.com/read/29220296/carcinosarcomas-and-related-cancers-tumors-caught-in-the-act-of-epithelial-mesenchymal-transition
#15
Angela Pang, Mariana Carbini, Andre L Moreira, Robert G Maki
In this review, we outline the biology and management of patients with carcinosarcomas and related malignancies, which are often included under the broader concept of sarcomatoid carcinomas. Carcinosarcomas are unusual tumors that are commonly gynecologic in origin, where they are referred to as malignant mixed Müllerian tumors, but may appear in any anatomic site. Although a variety of hypotheses have been presented as to the biphasic nature of these tumors, carcinosarcomas seem to represent the best example in human cancers of the concept of epithelial-mesenchymal transition (EMT), in which the two parts of the tumor are genomically related to one another, as opposed to the mesenchymal component that represents a second neoplasm or (benign) reactive process...
December 8, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29207717/heterotopic-prostate-at-autopsy-an-unusual-mass-at-the-dome-of-the-urinary-bladder
#16
Shital Munde, Gwendolyn Fernandes, Priyanka Phadnis
Heterotopic prostate in the dome of the urinary bladder is extremely rare and difficult to diagnose. It is often mistaken for neoplastic masses and histopathological examination is warranted for diagnosis. We report an autopsy case of an ectopic prostate at the dome of the bladder which mimicked a neoplasm on gross pathology.
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29207681/histone-demethylase-jmjd2c-epigenetic-regulators-in-tumors
#17
REVIEW
Chengcheng Zhang, Zhongqi Wang, Qing Ji, Qi Li
Histone methylation is one of the major epigenetic modifications, and various histone methylases and demethylases participate in the epigenetic regulating. JMJD2C has been recently identified as one of the histone lysine demethylases. As one member of the Jumonji-C histone demethylase family, JMJD2C has the ability to demethylate tri- or di-methylated histone 3 and 2 in either K9 (lysine residue 9) or K36 (lysine residue 36) sites by an oxidative reaction, thereby affecting heterochromatin formation, genomic imprinting, X-chromosome inactivation, and transcriptional regulation of genes...
October 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/29206214/immunotherapy-for-prostate-cancer-where-we-are-headed
#18
REVIEW
Giuseppe Schepisi, Alberto Farolfi, Vincenza Conteduca, Filippo Martignano, Delia De Lisi, Giorgia Ravaglia, Lorena Rossi, Cecilia Menna, Salvatore Roberto Bellia, Domenico Barone, Roberta Gunelli, Ugo De Giorgi
Prostate cancer is one of the most common malignant neoplasms in men worldwide, and is the fifth cause of cancer-related death. In recent years, a new generation of therapies have been approved for the management of metastatic disease. Moreover, the development of new immunotherapeutic drugs has become a novel frontier for the treatment of several tumor types; to date, numerous studies have investigated their potential activity, including in prostate cancer. In this article, we discuss the role of emerging immunotherapeutic drugs in prostate cancer patients...
December 5, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29192747/-situational-diagnosis-of-cancer-care-at-the-instituto-mexicano-del-seguro-social
#19
Sonia Patricia de Santillana-Hernández, María Teresa García-Flores, Héctor Galván-Oseguera, Gilberto Pérez-Rodríguez, Héctor David Martínez-Chapaca
Cancer is a public health problem with an impact on Health Services in Mexico; it is also, one of the leading causes of mortality (mortality rate: 610.6 / 100 000) and is expected to double the total number of new cases by 2035 (GLOBOCAN). The most frequent neoplasms are the malignant tumor of breast, prostate, cervix and uterin, colorectal and pulmonary. The most affected groups are the female, and by age the 65 years and older (INEGI). At the IMSS, the mortality rate for malignant tumors has varied, with a sustained decline since 2010...
2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/29167690/synchronous-gists-associated-with-multiple-sporadic-tumors-a-case-report
#20
Danila Comandini, Azzurra Damiani, Alessandro Pastorino
Gastrointestinal stromal tumors (GISTs) are rare neoplasms, but they also represent the most common mesenchymal tumors of the gastrointestinal tract originating from the cell of Cajal. GIST incidence ranges around 1% of all gastrointestinal malignancies. Approximately 5% of all GISTs have a hereditary etiology. The remaining 95% of GISTs are considered sporadic events, with up to 75% of cases driven by a constitutional activation of the c-KIT proto-oncogene. GISTs are generally solitary lesions. Nonetheless, multiple sporadic GISTs can occur and present as synchronous or metachronous tumors, usually associated with familial GIST...
2017: Drugs in Context
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