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https://www.readbyqxmd.com/read/28719381/detection-of-putative-stem-cell-markers-in-invasive-ductal-carcinoma-of-the-breast-by-immunohistochemistry-does-it-improve-prognostic-predictive-assessments
#1
Rodrigo V Oliveira, Valéria B Souza, Philipi C Souza, Fernando A Soares, José Vassallo, Rafael M Rocha, André A Schenka
INTRODUCTION: Experimental evidences from the last 2 decades supports the existence of a special type of neoplastic cell with stem-like features [cancer stem cell (CSC)] and their role in the pathophysiology and therapeutic resistance of breast cancer. However, their clinical value in human breast cancer has not been fully determined. MATERIALS AND METHODS: An immunohistochemistry panel of 10 putative CSC markers (CD34, C-KIT, CD10, SOX-2, OCT 3/4, p63, CD24, CD44, CD133, and ESA/EPCAM) was applied to 74 cases of breast cancer, followed in a Regional Cancer Center of Minas Gerais State, Brazil, from 2004 to 2006...
July 17, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28718331/entinostat-for-the-treatment-of-breast-cancer
#2
Dario Trapani, Angela Esposito, Carmen Criscitiello, Luca Mazzarella, Marzia Locatelli, Ida Minchella, Saverio Minucci, Giuseppe Curigliano
Breast cancer accounts for 29% of malignant tumors. It is an heterogenous disease covering a spectrum of different molecular subtypes. Epigenetic aberrations may affect gene expression through DNA and histone proteins modifications thus promoting tumor progression and resistance to anti- tumor treatment. Area covered: This article explores the potential role of entinostat in the treatment of breast cancer. The clinical trials evaluating entinostat are discussed, highlighting preclinical data and early-phase clinical studies results...
July 18, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28709830/pathologic-findings-in-breast-fallopian-tube-and-ovary-specimens-in-non-brca-hereditary-breast-and-or-ovarian-cancer-syndromes-a-study-of-18-patients-with-deleterious-germline-mutations-in-rad51c-bard1-brip1-palb2-mutyh-or-chek2
#3
J Kenneth Schoolmeester, Ann M Moyer, McKinsey L Goodenberger, Gary L Keeney, Jodi M Carter, Jamie N Bakkum-Gamez
Germline BRCA mutations account for a significant proportion of genetic/familial risk of breast and ovarian cancer (GBOC) susceptibility, but a broader spectrum of GBOC susceptibility genes has emerged in recent years. Genotype to phenotype correlations are known for some established forms of GBOC, however whether such correlations exist for less common GBOC variants is unclear. We reviewed our institution's experience with non-BRCA GBOC, looking specifically for trends in pathologic and clinical features. Eighteen women with deleterious germline mutations in RAD51C (5 patients), BARD1 (1 patient), BRIP1 (2 patients), PALB2 (3 patients), MUTYH (2 patients) or CHEK2 (5 patients) were identified between January 2011 and December 2016...
July 11, 2017: Human Pathology
https://www.readbyqxmd.com/read/28699175/long-term-health-outcomes-of-adults-with-mccune-albright-syndrome
#4
S C Wong, M Zacharin
CONTEXT: McCune Albright Syndrome (MAS) is associated with numerous health problems. Comprehensive long term health problems of adults with MAS are less well defined in the literature. OBJECTIVE: Our objective is to report comprehensive health outcomes of adults with MAS (> 18 years). DESIGN: Retrospective case note review of 16 adults with MAS managed by one clinician. Results expressed as median (range) RESULTS: The study included 16 adults (7 males) with MAS...
July 12, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28694595/minimally-invasive-separation-surgery-plus-adjuvsant-stereotactic-radiotherapy-in-the-management-of-spinal-epidural-metastases
#5
Mazda K Turel, Mena G Kerolus, John E O'Toole
AIM: This study aimed to describe the application of minimally invasive surgery (MIS) in separation surgery combined with postoperative stereotactic body radiation therapy (SBRT) in patients with symptomatic metastatic epidural spinal disease. METHODS: Three techniques are described: (1) MIS posterior separation surgery alone, (2) MIS posterolateral separation surgery with percutaneous pedicle screw placement, and (3) MIS lateral corpectomy with percutaneous pedicle screw placement...
April 2017: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/28693231/impact-of-rassf1a-gene-methylation-on-the-metastatic-axillary-nodal-status-in-breast-cancer-patients
#6
Eva Jezkova, Pavol Zubor, Karol Kajo, Marian Grendar, Karol Dokus, Marian Adamkov, Zora Lasabova, Lukas Plank, Jan Danko
Hypermethylation of CpG islands is a hallmark of cancer and occurs at an early stage in breast tumorigenesis. To gain insight into the epigenetic switches that may promote and/or contribute to the initial neoplastic events during breast carcinogenesis, the present study focused on the DNA methylation profile of invasive breast carcinoma. The aim of the study was to evaluate the prognostic significance of Ras association domain family 1 isoform A (RASSF1A) promoter methylation status in operable breast cancer, and to analyze the utility of this biomarker regarding its association with metastatic and nonmetastatic axillary nodal status...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28693009/a-review-of-the-use-of-fine-needle-aspiration-biopsy-of-mammary-tumors-for-diagnosis-and-research
#7
Edneia Tani, Nelson Fuentes-Martinez, Lambert Skoog
The article "Aspiration Biopsy of Mammary Tumors in Diagnosis and Research - A Critical Review of 2,200 Cases" by Zajicek et al. [Acta Cytol 1967;11:169-175] is composed of two separate parts as can be seen from the title. Both are, however, of great historical interest. The first describes the early days of fine-needle aspiration cytology diagnosis of breast lesions in particular carcinomas. The results are still impressive with a diagnostic accuracy close to 90%. The second deals with the effect of negative pressure on cell viability during the aspiration procedure...
July 11, 2017: Acta Cytologica
https://www.readbyqxmd.com/read/28690657/epigenetic-silencing-of-mort-is-an-early-event-in-cancer-and-is-associated-with-luminal-receptor-positive-breast-tumor-subtypes
#8
Lukas Vrba, Bernard Walter Futscher
Immortality is an essential characteristic of cancer cells; a recent transcriptomic study of epithelial cell immortalization has linked epigenetic silencing of the long noncoding RNA Mortal Obligate RNA Transcript (MORT; alias ZNF667-AS1) to this process. This study evaluated the epigenetic and transcriptional state of MORT in two premalignant conditions-ductal carcinomas in situ and colon adenomas. Results show that MORT silencing is an early epigenetic event in human carcinogenesis, likely occurring near the point where premalignant cells gain immortality; this epigenetic silencing is maintained throughout malignant transformation and metastatic growth...
June 2017: Journal of Breast Cancer
https://www.readbyqxmd.com/read/28675577/in-support-of-the-choosing-wisely-campaign-perceived-higher-risk-leads-to-unnecessary-imaging-in-accelerated-partial-breast-irradiation
#9
Audrey S Wallace, Jay P Nelson, Zhenyu Wang, Paul S Dale, Gregory B Biedermann
Accelerated partial breast irradiation (APBI) is an increasingly utilized modality for early stage breast cancer as part of breast conservation therapy (BCT). There remains concern regarding local recurrence, requiring more frequent post-radiation surveillance imaging. The purpose of this study is to determine clinical significance of frequent surveillance in this perceived higher risk population. Patients treated at a community academic medical center from 2005 to 2013 with partial breast radiation were retrospectively identified...
July 4, 2017: Breast Journal
https://www.readbyqxmd.com/read/28673537/de-escalating-and-escalating-surgery-in-the-management-of-early-breast-cancer
#10
Monica Morrow
In the setting of increased awareness regarding the need to address potential overtreatment in the management of breast cancer patients with favorable-prognosis disease, this article reviews three relevant instances in which the extent of surgery has been safely decreased: margin width in patients with ductal carcinoma in situ; axillary management in clinically node-negative women undergoing primary breast-conserving surgery; and the use of neoadjuvant chemotherapy followed by sentinel node biopsy for patients presenting with node-positive breast cancer...
June 30, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28670496/resistance-to-cancer-chemotherapeutic-drugs-is-determined-by-pivotal-microrna-regulators
#11
Marta Geretto, Alessandra Pulliero, Camillo Rosano, Dinara Zhabayeva, Rakhmet Bersimbaev, Alberto Izzotti
Chemo-resistance, which is the main obstacle in cancer therapy, is caused by the onset of drug-resistant cells in the heterogeneous cell population in cancer tissues. MicroRNAs regulate gene expression at the post-transcriptional level, and they are involved in many different biological processes, including cell proliferation, differentiation, metabolism, stress response, and apoptosis. The aberrant expression of microRNAs plays a major pathogenic role from the early stages of the carcinogenesis process. Recently, microRNAs have been reported to play an important role in inducing resistance to anti-cancer drugs...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28670334/evaluation-of-human-cytomegalovirus-antigen-expression-in-invasive-breast-carcinoma-in-a-population-of-iranian-patients
#12
Fereshteh Mohammadizadeh, Fatemeh Mahmudi
BACKGROUND: The role of human cytomegalovirus (HCMV) in the development of breast carcinoma is questionable. The aim of this study was to evaluate the expression of the immediate early antigen (IE) of HCMV in breast carcinoma and its association with some clinicopathologic factors in a population of Iranian patients. METHODS: Formalin-fixed and paraffin-embedded tissue blocks from the pathology laboratories of the Azahra and Shahid Beheshti hospitals, Isfahan, Iran, from 2013 to 2016, were used in the study...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28661760/maximizing-the-clinical-benefit-of-anthracyclines-in-addition-to-taxanes-in-the-adjuvant-treatment-of-early-breast-cancer
#13
Giuseppe Curigliano, Carmen Criscitiello
The Oncology Grand Rounds series is designed to place original reports published in the Journal into clinical context. A case presentation is followed by a description of diagnostic and management challenges, a review of the relevant literature, and a summary of the authors' suggested management approaches. The goal of this series is to help readers better understand how to apply the results of key studies, including those published in Journal of Clinical Oncology, to patients seen in their own clinical practice...
June 29, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28659177/a-bayesian-network-and-heuristic-approach-for-systematic-characterization-of-radiotherapy-receipt-after-breast-conservation-surgery
#14
Milton Soto-Ferrari, Diana Prieto, Gitonga Munene
BACKGROUND: Breast-conservation surgery with radiotherapy is a treatment highly recommended by the guidelines from the National Comprehensive Cancer Network. However, several variables influence the final receipt of radiotherapy and it might not be administered to breast cancer patients. Our objective is to propose a systematic framework to identify the clinical and non-clinical variables that influence the receipt of unexpected radiotherapy treatment by means of Bayesian networks and a proposed heuristic approach...
June 28, 2017: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/28658846/concomitant-presence-of-carcinoma-of-breast-in-a-patient-with-early-onset-cataract-first-case-report-of-a-potential-association
#15
Shahbaz Habib Faridi, Kaushal Deep Singh, Mehershree Lodhi
A recent nation-wide population based retrospective cohort study from Taiwan in 2014 suggested a propensity of developing breast cancer in young females with early-onset cataract. We report here a case of a young non-obese female who presented to us with a large lump in the right breast with skin nodules and bilateral painless progressive diminution of vision. Patient was diagnosed to be suffering from locally advanced carcinoma of right breast with axillary metastasis (Stage III B) and bilateral early-onset nuclear cataract...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28656248/nestin-positive-microvessel-density-is-an-independent-prognostic-factor-in-breast-cancer
#16
Aleksandra Nowak, Jedrzej Grzegrzolka, Maria Paprocka, Aleksandra Piotrowska, Janusz Rys, Rafal Matkowski, Piotr Dziegiel
The process of angiogenesis based on new vessel formation within the tumour area plays a significant role in the progression of breast cancer. Nestin is an intermediate filament protein and participates in the cytoskeleton organization. Nestin expression in the endothelium of blood vessels is mainly limited to newly forming vessels, thus being a more specific marker of angiogenesis than the commonly used vascular antigens. The aim of this study was to determine the prognostic value of nestin-positive microvessel density (Nes+MVD) in breast cancer patients and to confirm that nestin expression is related to newly forming tumour vessels...
June 26, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28652449/combined-use-of-mammography-and-fna-eliminates-pitfalls-in-the-management-of-metaplastic-breast-carcinoma
#17
Diamantis I Tsilimigras, Ioannis Ntanasis-Stathopoulos, Dimitrios Schizas, Anargyros Bakopoulos, Demetrios Moris, Gabriela-Monica Stanc, Anastasios Tentolouris, Soumphi Nassar, Charitini Salla
BACKGROUND: Due to its heterogeneity, metaplastic breast carcinoma (MBC) poses diagnostic dilemmas, leading to delayed treatment, thereby aggravating the prognosis. Over the years, there has been controversy regarding the role of fine-needle aspiration (FNA) cytology in timely diagnosis. CASE REPORT: A 54-year-old woman presented with a palpable mass in the upper outer quadrant of her right breast with corresponding mammographic findings and FNA was performed. The smears revealed small- and medium-sized cohesive clusters of malignant cells with atypical nuclei...
July 2017: In Vivo
https://www.readbyqxmd.com/read/28643319/-progress-of-the-application-of-optical-coherence-tomography-in-gastrointestinal-tumor-surgery
#18
Yongsheng Li, Hao Liu, Haipeng Huang, Yu Zhu, Haijun Deng, Jiang Yu, Site Luo, Li Huo, Li Lin, Huikai Xie, Guoxin Li
Optical coherence tomography (OCT) is a real-time, cross-sectional optical imaging technology. It is analogous to ultrasonography, except that OCT uses light waves instead of sound waves, and can provide three-dimensional morphological images of living tissues with a micrometer resolution. Through the use of endoscopes, needles, catheters and laparoscopes, OCT has demonstrated tremendous imaging potential in tumor surgery. The current studies suggest that OCT has potential for clinical applications in the following fields of gastrointestinal tumor surgery: (1) Early tumor detection and diagnosis: OCT can distinguish differences between polyp tissue, normal tissue and malignant tissue...
June 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28637226/epidemiologic-risk-factors-for-in-situ-and-invasive-breast-cancer-among-postmenopausal-women-in-the-nih-aarp-diet-and-health-study
#19
Maeve Mullooly, Zeina G Khodr, Cher M Dallal, Sarah J Nyante, Mark E Sherman, Roni Falk, Linda M Liao, Jeffrey Love, Louise A Brinton, Gretchen L Gierach
Comparing risk factor associations between invasive breast cancers and possible precursors may further understanding of factors related to initiation versus progression. Accordingly, among 190,325 postmenopausal participants in the National Institutes of Health-AARP Diet and Health Study (1995-2011), we compared risk factor associations between incident ductal carcinoma in situ (DCIS: n = 1,453) and invasive ductal carcinomas (n = 7,525) and lobular carcinoma in situ (LCIS: n = 186) and invasive lobular carcinomas (n = 1,191)...
June 16, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28629632/rationale-for-immunological-approaches-to-breast-cancer-therapy
#20
Gwennaëlle C Monnot, Pedro Romero
Despite great advances in early detection, as well as surgical resection of breast tumours, breast cancer remains the deadliest cancer for women worldwide. Moreover, its incidence is without pair, accounting for twice as many new cancer cases as the second most prevalent cancer, colorectal carcinoma. There is therefore a strong need for new therapeutic approaches to breast cancers. Immunotherapies are novel treatment modalities which aim to use immune mediators to attack cancerous cells. Recent clinical results show that these may not only mediate tumour regressions but also cures in some cases...
June 16, 2017: Breast: Official Journal of the European Society of Mastology
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