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https://www.readbyqxmd.com/read/28525424/metastatic-melanoma-with-papillary-features-a-mimic-and-possible-diagnostic-pitfall
#1
Alberto Valero-Torres, Victor G Prieto, Priyadharsini Nagarajan, Carlos A Torres-Cabala, Michael T Tetzlaff, Jonathan L Curry, Doina Ivan, Phyu P Aung
Papillary and pseudopapillary features are histopathologic findings typically associated with carcinomas (thyroid, pancreas, breast, prostate, bladder, kidney, or ovary) or mesothelioma. Melanoma is typically composed of nested and variably pigmented atypical cells. Here, we report a case of in-transit metastasis of melanoma presenting with prominent papillary features, and we discuss the differential diagnoses of neoplasms with papillary features. This case report suggests that the spectrum of neoplasms with papillary features should be expanded to include melanoma, a pattern that, to the best of our knowledge, is uncommon...
June 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28515817/systematic-review-of-the-potential-role-of-cannabinoids-as-antiproliferative-agents-for-urological-cancers
#2
REVIEW
Shreyas Gandhi, Gaurav Vasisth, Anil Kapoor
INTRODUCTION: The palliative effects of cannabis sativa (marijuana), which include appetite stimulation, attenuation of nausea and emesis, and pain relief, are well known. The active components of cannabis sativa (cannabinoids) and their derivatives have received growing interest due to their diverse pharmacological activities, such as cell growth inhibition and tumour regression. The aim of this review is to look at the current evidence on the antiproliferative effects of cannabinoids in urological malignancies, including renal, prostate, bladder, and testicular cancers...
March 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28511402/bladder-adenocarcinoma-a-persisting-diagnostic-dilemma
#3
Geetha Vasudevan, Arijit Bishnu, Brij Mohan Kumar Singh, Deepak M Nayak, Pooja Jain
Primary urinary Bladder Adenocarcinoma (PBA) is an uncommon neoplasm and can cause diagnostic difficulties due to histologic similarities with adenocarcinomas of adjacent structures like Gastrointestinal Tract (GIT) and prostate, since involvement of the bladder by metastasis or direct spread can occur. Seven cases of bladder adenocarcinomas were diagnosed during a period of four years in a tertiary care hospital. Patient's age ranged from 26-78 years with a male predilection. Three cases were signet ring type adenocarcinomas, two cases were subtyped as enteric variant, one as mucinous variant and one as adenocarcinoma Not Otherwise Specified (NOS) variant...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28488844/mri-in-prostate-cancer-detection-and-management-a-systematic-review
#4
Fabio Monni, Paolo Fontanella, Angelica Grasso, Peter Wiklund, Yen-Chuan Ou, Marco Randazzo, Bernardo Rocco, Emanuele Montanari, Giampaolo Bianchi
INTRODUCTION: The aim of our work was to evaluate the role of multi-parametric MRI (mpMRI) in detection and management of prostate cancer (PC); specifically investigating the efficacy of mpMRI-based biopsy techniques in terms of diagnostic yield of significant prostate neoplasm and the improved management of patient who choose conservative treatments or active surveillance. EVIDENCE ACQUISITION: A systematic and critical analysis through Medline, Embase, Scopus and Web of Science databases was carried out in March 2016, following the PRISMA ("Preferred Reporting Items for Systematic Reviews and Meta-Analyses") statement...
May 8, 2017: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/28470244/a-novel-computational-model-based-on-super-disease-and-mirna-for-potential-mirna-disease-association-prediction
#5
Xing Chen, Zhi-Chao Jiang, Di Xie, De-Shuang Huang, Qi Zhao, Gui-Ying Yan, Zhu-Hong You
In recent years, more and more studies have indicated that microRNAs (miRNAs) play critical roles in various complex human diseases and could be regarded as important biomarkers for cancer detection in early stages. Developing computational models to predict potential miRNA-disease associations has become a research hotspot for significant reduction of experimental time and cost. Considering the various disadvantages of previous computational models, we proposed a novel computational model based on super-disease and miRNA for potential miRNA-disease association prediction (SDMMDA) to predict potential miRNA-disease associations by integrating known associations, disease semantic similarity, miRNA functional similarity, and Gaussian interaction profile kernel similarity for diseases and miRNAs...
May 4, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28441368/skeletal-scintigraphy
#6
Jaime L Montilla-Soler, Rikesh Makanji
BACKGROUND: Skeletal scintigraphy remains a valuable tool in the initial and subsequent evaluation of the skeletal system in patients with a diagnosis of primary or metastatic neoplasms. METHODS: We discuss radiopharmaceuticals, nuclear medicine imaging techniques, and current as well as future oncological applications in the adult population. Pertinent literature was reviewed to describe the advantages and limitations of available technologies for the evaluation of skeletal metastatic disease...
April 2017: Cancer Control: Journal of the Moffitt Cancer Center
https://www.readbyqxmd.com/read/28439429/the-standards-of-an-ultrasound-examination-of-the-prostate-gland-part-2
#7
REVIEW
Janusz F Tyloch, Andrzej Paweł Wieczorek
The paper discusses the rules of the proper performing of the ultrasound examination of the prostate gland. It has been divided into two parts: the general part and the detailed part. The first part presents the necessary requirements related to the ultrasound equipment needed for performing transabdominal and transrectal examinations of the prostate gland. The second part presents the application of the ultrasound examination in benign prostatic hyperplasia, in cases of prostate inflammation and in prostate cancer...
March 2017: Journal of Ultrasonography
https://www.readbyqxmd.com/read/28431528/diagnostic-performance-of-the-urinary-canine-calgranulins-in-dogs-with-lower-urinary-or-urogenital-tract-carcinoma
#8
Romy M Heilmann, Elizabeth A McNiel, Niels Grützner, David J Lanerie, Jan S Suchodolski, Jörg M Steiner
BACKGROUND: Onset of canine transitional cell carcinoma (TCC) and prostatic carcinoma (PCA) is usually insidious with dogs presenting at an advanced stage of the disease. A biomarker that can facilitate early detection of TCC/PCA and improve patient survival would be useful. S100A8/A9 (calgranulin A/B or calprotectin) and S100A12 (calgranulin C) are expressed by cells of the innate immune system and are associated with several inflammatory disorders. S100A8/A9 is also expressed by epithelial cells after malignant transformation and is involved in the regulation of cell proliferation and metastasis...
April 21, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28427519/a-comprehensive-review-of-immunotherapies-in-prostate-cancer
#9
REVIEW
Manuel Caitano Maia, Aaron R Hansen
Prostate cancer is the second most common malignant neoplasm in men worldwide and the fifth cause of cancer-related death. Although multiple new agents have been approved for metastatic castration resistant prostate cancer over the last decade, it is still an incurable disease. New strategies to improve cancer control are needed and agents targeting the immune system have shown encouraging results in many tumor types. Despite being attractive for immunotherapies due to the expression of various tumor associated antigens, the microenvironment in prostate cancer is relatively immunosuppressive and may be responsible for the failures of various agents targeting the immune system in this disease...
May 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28421868/rknnmda-ranking-based-knn-for-mirna-disease-association-prediction
#10
Xing Chen, Qiao-Feng Wu, Gui-Ying Yan
Cumulative verified experimental studies have demonstrated that microRNAs (miRNAs) could be closely related with the development and progression of human complex diseases. Based on the assumption that functional similar miRNAs may have a strong correlation with phenotypically similar diseases and vice versa, researchers developed various effective computational models which combine heterogeneous biologic data sets including disease similarity network, miRNA similarity network, and known disease-miRNA association network to identify potential relationships between miRNAs and diseases in biomedical research...
April 19, 2017: RNA Biology
https://www.readbyqxmd.com/read/28418352/-fatty-acid-synthase-in-the-diagnosis-of-prostate-neoplasms
#11
D O Allina, Yu Yu Andreeva, L E Zavalishina, L V Moskvina, G A Frank
The differential diagnosis of benign and malignant changes in the prostate presents still definite difficulties; the antibody panel existing for these purposes is imperfect. Fatty acid synthase (FASN) is an androgen-regulated enzyme required for de novo lipogenesis. A number of studies have noted increased expression of the gene encoding this protein in tumors and precancerous lesions of different locations. AIM: Тo estimate the diagnostic value of analyzing the expression of FASN in prostate neoplasias...
2017: Arkhiv Patologii
https://www.readbyqxmd.com/read/28418346/extra-gastrointestinal-stromal-tumor-of-prostate
#12
Demet Etit, Haldun Kar, Neşe Ekinci, Ahmet Emre Yenipazar, Fulya Çakalağaoğlu
BACKGROUND: Extra-gastrointestinal stromal tumor is defined as a mesenchymal neoplasm arising from soft tissues outside the gastrointestinal tract. Prostatic extra-gastrointestinal stromal tumor has rarely been noted. CASE REPORT: A 56 year-old man presented with pain in the anal region. A digital rectal examination revealed that the prostate was markedly enlarged with a smooth, bulging surface. Computerized tomography images showed a 6 cm heterogeneous, infiltrative tumor within the prostate gland extending to the trigon of the bladder, left seminal vesicle and rectum...
April 5, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28401578/dual-action-of-high-estradiol-doses-on-mnu-induced-prostate-neoplasms-in-a-rodent-model-with-high-serum-testosterone-protective-effect-and-emergence-of-unstable-epithelial-microenvironment
#13
Bianca F Gonçalves, Silvana G P de Campos, Rejane M Góes, Wellerson R Scarano, Sebastião R Taboga, Patricia S L Vilamaior
BACKGROUND: Estrogens are critical players in prostate growth and disease. Estrogen therapy has been the standard treatment for advanced prostate cancer for several decades; however, it has currently been replaced by alternative anti-androgenic therapies. Additionally, studies of its action on prostate biology, resulting from an association between carcinogens and estrogen, at different stages of life are scarce or inconclusive about its protective and beneficial role on induced-carcinogenesis...
June 2017: Prostate
https://www.readbyqxmd.com/read/28392432/-surgical-approach-and-sexual-outcomes-after-radical-prostatectomy
#14
K Caillet, A Lipsker, E Alezra, P De Sousa, G Pignot
BACKGROUND: Radical prostatectomy is curative surgical treatment of choice for localized prostate cancer. The objectives are cancer control, preservation of continence and preservation of sexuality, the combination of the three constituting the Trifecta. OBJECTIVE: The objective of this study was to assess, through the analysis of the literature, the sexual outcomes according to surgical approach: radical prostatectomy by laparotomy (PRL), laparoscopic radical prostatectomy (PRLa) and laparoscopic robot-assisted radical prostatectomy (PRLaRA), when nerve sparing was practiced...
April 6, 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/28377721/prostate-cancer-and-aspirin-use-synopsis-of-the-proposed-molecular-mechanisms
#15
REVIEW
Nadeem Bilani, Hisham Bahmad, Wassim Abou-Kheir
Background: Prostate cancer (PCa) is a critical health burden, impacting the morbidity and mortality of millions of men around the world. Most of the patients with PCa have their disease at first sensitive to androgen deprivation treatments, but later they develop resistance to therapy and eventually die of metastatic castration-resistant prostate cancer (CRPC). Although the newly developed anti-androgen therapies are effectively alleviating symptoms and prolonging lives of patients, there are still no curable treatments for CRPC...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28376608/decision-making-tools-in-prostate-cancer-from-risk-grouping-to-nomograms
#16
Paolo Fontanella, Luigi Benecchi, Angelica Grasso, Vipul Patel, David Albala, Claude Abbou, Francesco Porpiglia, Marco Sandri, Bernardo Rocco, Giampaolo Bianchi
INTRODUCTION: Prostate cancer (PCa) is the most common solid neoplasm and the second leading cause of cancer death in men. After the Partin tables were developed, a number of predictive and prognostic tools became available for risk stratification. These tools have allowed the urologist to better characterize this disease and lead to more confident treatment decisions for patients. The purpose of this study is to critically review the decision-making tools currently available to the Urologist, from the moment when PCa is first diagnosed until patients experience metastatic progression and death...
March 30, 2017: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/28375528/makroskopisk-hematuri-vid-behandling-med-noak-incidensen-%C3%A3-r-l%C3%A3-g-%C3%A2-snar-urologisk-utredning-kr%C3%A3-vs-visar-retrospektiv-studie-vid-hj%C3%A3-rtspecialistmottagning
#17
Faris Al Khalili
Incidence, investigation and long-term follow-up of macroscopic hematuria in patients treated with non vitamin K antagonist oral anticoagulant: Insight from a specialist cardiology clinic In a retrospective long-term follow up of patients with non-valvular atrial fibrillation treated with non-vitamin K dependent oral anticoagulants in a specialist clinic, the incidence of reported macroscopic hematuria was relatively low and none of these was major bleeding. Urgent investigation of the bleeding source by a urologist showed different etiologies, like newly discovered neoplasm, benign hyperplasia of the prostate gland, renal stones, or inflammatory changes in the urinary bladder, and some had normal findings...
March 31, 2017: Läkartidningen
https://www.readbyqxmd.com/read/28368887/uptake-of-an-acrochordon-incidentally-detected-on-68ga-prostate-specific-membrane-antigen-pet-ct
#18
Gozde Daglioz Gorur, Turkay Hekimsoy, Serkan Isgoren, Aysun Sikar Akturk, Hakan Demir
Ga prostate-specific membrane antigen (PSMA) PET/CT is a promising tool for imaging of prostate cancer. Ga-PSMA PET/CT uptake of prostate cancer and its metastases are reflective of significant overexpression of PSMA. However, PSMA expression of benign neoplasms and nonprostate epithelial malignancies is not very well defined. We report a moderate Ga-PSMA uptake of an acrochordon (skin tag), which was incidentally found in a patient referred for staging prostate cancer. Acrochordon is a frequent, small, soft, skin-colored or hyperpigmented, benign, and usually pedunculated neoplasm of the skin...
June 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28343345/assessment-of-nucleosides-as-putative-tumor-biomarkers-in-prostate-cancer-screening-by-ce-uv
#19
Adriana Zardini Buzatto, Mariana de Oliveira Silva, Ronei Jesus Poppi, Ana Valéria Colnaghi Simionato
Cancer is responsible for millions of deaths worldwide, but most base diseases may be cured if detected early. Screening tests may be used to identify early-stage malignant neoplasms. However, the major screening tool for prostate cancer, the prostate-specific antigen test, has unsuitable sensitivity. Since cancer cells may affect the pattern of consumption and excretion of nucleosides, such biomolecules are putative biomarkers that can be used for diagnosis and treatment evaluation. Using a previously validated method for the analysis of nucleosides in blood serum by capillary electrophoresis with UV-vis spectroscopy detection, we investigated 60 samples from healthy individuals and 42 samples from prostate cancer patients...
March 25, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28314541/risk-of-subsequent-primary-kidney-cancer-after-another-malignancy-a-population-based-study
#20
Omar Abdel-Rahman
BACKGROUND: Population-based data on the development of kidney cancer as a second malignant neoplasm following the diagnosis of other common malignancies are rare. This clinical scenario has been evaluated within the Surveillance, Epidemiology, and End Results (SEER) database. MATERIALS AND METHODS: The SEER-9 database (1973-2013) was queried using the SEER*Stat program to determine the standardized incidence ratios (SIRs) of kidney cancer development following each one of 10 common invasive malignancies (colorectal, breast, prostate, lung, thyroid, corpus uteri, urinary bladder, kidney/renal pelvis, cutaneous melanoma, and non-Hodgkin lymphoma)...
February 27, 2017: Clinical Genitourinary Cancer
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