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https://www.readbyqxmd.com/read/28819437/impact-of-detection-method-and-accompanying-ductal-carcinoma-in-situ-on-prognosis-of-t1a-bn0-breast-cancer
#1
Shih-Che Shen, Shir-Hwa Ueng, Chan-Keng Yang, Chi-Chang Yu, Yung-Feng Lo, Hsien-Kun Chang, Yung-Chang Lin, Shin-Cheh Chen
Background: T1a,bN0 breast cancer is not easily detected. Before mammography became widespread, most cases were discovered only after the development of symptoms. The presence of ductal carcinoma in situ (DCIS) affects the detectability of associated invasive cancer; however, the prognostic value of concomitant DCIS is controversial. This study compared the characteristics of screening-detected and symptom-detected T1a,bN0 breast cancer, and investigated the impact of accompanying DCIS on detection and prognosis...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28816144/comparison-of-treatment-outcome-between-invasive-lobular-and-ductal-carcinomas-in-patients-receiving-partial-breast-irradiation-with-intraoperative-electrons
#2
Maria Cristina Leonardi, Patrick Maisonneuve, Mauro Giuseppe Mastropasqua, Federica Cattani, Giuseppe Fanetti, Anna Morra, Roberta Lazzari, Federica Bazzani, Mariangela Caputo, Nicole Rotmensz, Marianna Alessandra Gerardi, Rosalinda Ricotti, Viviana Enrica Galimberti, Paolo Veronesi, Samantha Dicuonzo, Giuseppe Viale, Barbara Alicja Jereczek-Fossa, Roberto Orecchia
PURPOSE: To investigate the local outcome of patients after accelerated partial breast irradiation with intraoperative electrons (IORT) for invasive lobular carcinoma (ILC) compared with invasive ductal carcinoma (IDC). METHODS AND MATERIALS: From 1999 to 2007, 2173 patients were treated with breast-conserving surgery and IORT (21 Gy/1 fraction) as the sole local treatment: 252 patients with ILC (11.6%) were compared with 1921 patients with IDC in terms of local control...
September 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28816013/new-neurotensin-analogue-radiolabeled-by-99m-technetium-as-a-potential-agent-for-tumor-identification
#3
Iman Emrarian, Nourollah Sadeghzadeh, Seyed Mohammad Abedi, Saeid Abediankenari
INTRODUCTION: It has been shown that more than 75% of ductal pancreatic adenocarcinomas are overexpress neurotensin (NT) receptors. Overexpression of NT receptors has been reported in various human tumor types. Hence, a non-invasive diagnosis and staging method could be very beneficial. In this work, we describe radiolabeling and evaluation of new neurotensin analogues to target neurotensin receptor-positive tumors such as pancreatic carcinoma. METHODS: Radiolabeling was performed at 95°C for 10 min using(99m) Tc in the presence of tricine/EDDA exchange labeling...
August 16, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28810292/-clinicopathologic-features-of-mammary-microglandular-adenosis-with-carcinoma-a-study-of-5-cases
#4
W Chen, C Wang, Z H Zhang, W M Zhang, Y Xu, G X Song
Objective: To study the clinicopathologic, immunohistochemical features, differential diagnoses and prognosis of mammary microglandular adenosis with carcinoma (MGACA) with micropapillary pattern. Methods: Five cases of MGACA were collected from 2010 to 2016 and reviewed for their clinical, histologic features and outcome.EnVision method were done for S-100 protein, cytokeratin (CK), p63, Calponin, smooth muscle myosin heavy chain (SMMHC), PR, ER and HER2. Results: Histologically, microglandular adenosis(MGA), atypical MGA (AMGA) and invasive carcinoma were seen in all five cases of MGACA...
August 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28808290/molecular-mr-imaging-of-fibrosis-in-a-mouse-model-of-pancreatic-cancer
#5
Miloslav Polasek, Yan Yang, Daniel T Schühle, Mohammad A Yaseen, Young R Kim, Yu Sub Sung, Alexander R Guimaraes, Peter Caravan
Fibrosis with excessive amounts of type I collagen is a hallmark of many solid tumours, and fibrosis is a promising target in cancer therapy, but tools for its non-invasive quantification are missing. Here we used magnetic resonance imaging with a gadolinium-based probe targeted to type I collagen (EP-3533) to image and quantify fibrosis in pancreatic ductal adenocarcinoma. An orthotopic syngeneic mouse model resulted in tumours with 2.3-fold higher collagen level compared to healthy pancreas. Animals were scanned at 4...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28807345/ampk-expression-patterns-are-significantly-associated-with-poor-prognosis-in-breast-cancer-patients
#6
Jaudah Al-Maghrabi, Kaltoom Al-Sakkaf, Imtiaz Ahmad Qureshi, Nadeem Shafique Butt, Lila Damnhory, Mohamed Elshal, Basim Al-Maghrabi, Alia Aldahlawi, Sawsan Ashoor, Barry Brown, Pauline Dobson, Mohamad Nidal Khabaz
Many investigators have examined the functions of AMP-activated protein kinase (AMPK) in cancer biology and its anti-neoplastic features in cancer models. The goal of this research is to assess the association of the immunohistochemical expression of AMPK in human mammary tumours with the clinical data of breast cancer patients. 449 cases of previously diagnosed breast cancer, and 27 tissue samples of fibroadenomas and normal breast were utilized for detection of AMPK expression using tissue microarrays and immunohistochemistry...
August 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28807337/evaluation-of-cd43-expression-in-non-hematopoietic-malignancies
#7
Bjorn H Batdorf, Steven H Kroft, Paul R Hosking, Alexandra M Harrington, Alexander C Mackinnon, Horatiu Olteanu
OBJECTIVES: CD43 is normally expressed only on the surface of leukocytes, and is considered a sensitive and specific marker for hematologic malignancies. As such, it may have diagnostic utility in confirming hematolymphoid lineage in cases that are negative for CD45. Aberrant CD43 expression has been described in non-hematopoietic tumors, although literature data on this topic is variable and sometimes contradictory. To clarify and expand on existing literature findings, we evaluated CD43 expression by immunohistochemistry (IHC) in a large cohort (307) of non-hematopoietic neoplasms, including poorly differentiated malignancies...
August 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28806320/the-value-of-quality-assured-magnetic-resonance-imaging-of-the-breast-for-the-early-detection-of-breast-cancer-in-asymptomatic-women
#8
Uwe Fischer, Susanne Luftner-Nagel, Friedemann Baum, Katharina Marten-Engelke, Susanne Wienbeck
PURPOSE: The aim of this study was to evaluate the exclusive performance of quality-assured high-resolution breast magnetic resonance imaging (MRI) for early detection of breast cancer in a population of asymptomatic women. MATERIALS AND METHODS: A total of 1189 MRI examinations performed in 789 asymptomatic women (mean age, 51.1 years) were evaluated. All examinations were performed using open bilateral surface coil, dedicated compression device, and high spatial resolution (matrix, 512 × 512)...
August 12, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28803603/prognostic-impact-of-cell-division-cycle-associated-2-expression-on-pancreatic-ductal-adenocarcinoma
#9
Meng-Yi Wang, Zhe-Yu Niu, Xiang-Gao Gao, Li Zhou, Quan Liao, Yu-Pei Zhao
Objective To examine the expression of cell division cycle associated 2 (CDCA 2) in pancreatic ductal adenocarcinoma (PDAC) and investigate its role in prognosis of PDAC patients. Methods This retrospective study included 155 PDAC patients who underwent surgical treatment and complete post-operative follow-up. Clinicopathologic data were collected through clinical database. Tissue microarray was constructed and immunohistochemistry was performed to detect CDCA2 expression in the PDAC tumor tissues and adjacent non-tumor tissues...
September 20, 2016: Chinese Medical Sciences Journal, Chung-kuo i Hsüeh K'o Hsüeh Tsa Chih
https://www.readbyqxmd.com/read/28801933/maldi-imaging-guided-microproteomic-analyses-of-heterogeneous-breast-tumors-a-pilot-study
#10
Deborah Alberts, Charles Pottier, Nicolas Smargiasso, Dominique Baiwir, Gabriel Mazzucchelli, Philippe Delvenne, Mark Kriegsmann, Daniel Kazdal, Arne Warth, Edwin De Pauw, Rémi Longuespée
PURPOSE: Matrix-assisted laser desorption/ionization (MALDI) imaging is an ideal tool to study intratumor heterogeneity (ITH) and its implication in prognostic stratification of patients. However there are some drawbacks concerning protein identification. On the other hand, laser microdissection (LMD)-based microproteomics allows retrieving thousands of protein identifications from small tissue pieces. As a proof of concept, we combined these two complementary approaches to analyze heterogeneous regions in breast tumors...
August 11, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28801774/bcl-2-antigen-expression-in-luminal-a-and-triple-negative-breast-cancer
#11
Carla Solange Escórcio-Dourado, Luana Mota Martins, Camila Maria Simplício-Revoredo, Fabiane Araújo Sampaio, Cléciton Braga Tavares, João Paulo da Silva-Sampaio, Umbelina Soares Borges, Francisco Adelton Alves-Ribeiro, Pedro Vitor Lopes-Costa, José Charles Lima-Dourado, Benedito Borges da Silva
Biomarkers for the prognosis of breast cancer have been routinely used in clinical practice, including the expression of hormone receptors, Ki-67 and HER-2. More recently, Bcl-2 has been recognized as an important prognostic factor in breast cancer, although controversies persist with respect to the significance of its expression. The aim of the present study was to evaluate Bcl-2 antigen expression in luminal A and triple-negative breast cancer. Sixty women with invasive ductal carcinoma were included in the study and divided into two groups: Group A (luminal A) and Group B (triple-negative), with 30 cases in each group...
August 11, 2017: Medical Oncology
https://www.readbyqxmd.com/read/28799130/near-set-based-mucin-segmentation-in-histopathology-images-for-detecting-mucinous-carcinoma
#12
Soma Banerjee, Monjoy Saha, Indu Arun, Bijan Basak, Sanjit Agarwal, Rosina Ahmed, Sanjoy Chatterjee, Lipi B Mahanta, Chandan Chakraborty
This paper introducesnear-set based segmentation method for extraction and quantification of mucin regions for detecting mucinouscarcinoma (MC which is a sub type of Invasive ductal carcinoma (IDC)). From histology point of view, the presence of mucin is one of the indicators for detection of this carcinoma. In order to detect MC, the proposed method majorly includes pre-processing by colour correction, colour transformation followed by near-set based segmentation and post-processing for delineating only mucin regions from the histological images at 40×...
August 10, 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28797765/patterns-of-fractionation-and-boost-usage-in-adjuvant-external-beam-radiotherapy-for-ductal-carcinoma-in-situ-in-the-united-states
#13
William A Stokes, Arya Amini, Matthew W Jackson, S Reed Plimpton, Nicole Kounalakis, Peter Kabos, Rachel A Rabinovitch, Chad G Rusthoven, Christine M Fisher
BACKGROUND: While the roles of hypofractionated (HFxn) radiotherapy and lumpectomy boost in the adjuvant management of invasive breast cancer are supported by the results of clinical trials, randomized data supporting their use for ductal carcinoma in situ (DCIS) are forthcoming. We sought to evaluate current national trends and identify factors associated with HFxn and boost usage using the National Cancer Database. PATIENTS AND METHODS: We queried the National Cancer Database for women diagnosed with DCIS from 2004 to 2014 undergoing external beam radiotherapy after breast conservation surgery...
June 29, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28795470/dmkn-contributes-to-the-epithelial-mesenchymal-transition-through-increased-activation-of-stat3-in-pancreatic-cancer
#14
Chaohao Huang, Yukai Xiang, Shengchuan Chen, Huajun Yu, Zhengde Wen, Tingting Ye, Hongwei Sun, Hongru Kong, Dapei Li, Dinglai Yu, Bicheng Chen, Mengtao Zhou
DMKN was first identified in relation to skin lesion healing and skin carcinoma. Recently, its expression has been associated with pancreatic cancer tumorigenesis, although its involvement remains poorly understood. Herein, we show that DMKN loss of function in Patu-8988 and PANC-1 pancreatic cancer cell lines results in reduced phosphorylation of signal transducer and activator of transcription-3 (STAT3), and increased activation of extracellular signal-regulated kinase (ERK1/2) and AKT serine/threonine kinase...
August 9, 2017: Cancer Science
https://www.readbyqxmd.com/read/28795370/surgical-upstaging-rates-for-vacuum-assisted-biopsy-proven-dcis-implications-for-active-surveillance-trials
#15
Lars J Grimm, Marc D Ryser, Ann H Partridge, Alastair M Thompson, Jeremy S Thomas, Jelle Wesseling, E Shelley Hwang
PURPOSE: This study was designed to determine invasive cancer upstaging rates at surgical excision following vacuum-assisted biopsy of ductal carcinoma in situ (DCIS) among women meeting eligibility for active surveillance trials. METHODS: Patients with vacuum-assisted, biopsy-proven DCIS at a single center from 2008 to 2015 were retrospectively reviewed. Imaging and pathology reports were interrogated for the imaging appearance, tumor grade, hormone receptor status, and presence of comedonecrosis...
August 9, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28793393/diverse-immunoprofile-of-ductal-adenocarcinoma-of-the-prostate-with-an-emphasis-on-the-prognostic-factors
#16
Se Un Jeong, Anuja Kashikar Kekatpure, Ja-Min Park, Minkyu Han, Hee Sang Hwang, Hui Jeong Jeong, Heounjeong Go, Yong Mee Cho
Background: Ductal adenocarcinoma (DAC) of the prostate is an uncommon histologic subtype whose prognostic factors and immunoprofile have not been fully defined. Materials and Methods: To define its prognostic factors and immunoprofile, the clinicopathological features, including biochemical recurrence (BCR), of 61 cases of DAC were analyzed. Immunohistochemistry was performed on tissue microarray constructs to assess the expression of prostate cancer-related and mammalian target of rapamycin (mTOR) signaling-related proteins...
August 9, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28791843/ductal-carcinomas-in-situ-and-invasive-cancers-detected-on-screening-mammography-cost-effectiveness-of-initial-and-subsequent-rounds-of-population-based-program-2007-2014
#17
Bartłomiej Szynglarewicz, Rafał Matkowski
BACKGROUND: Potential benefits of screening need to be carefully balanced against the financial burden for the national health care system. OBJECTIVES: To assess the cost-effectiveness of population-based mammographic screening in the 3-million region of Lower Silesia (Poland) after initial and 3 subsequent rounds. MATERIAL AND METHODS: Data was collected in a prospective manner using the databases of the official computer system for the monitoring of prophylaxis programs (SIMP), National Health Fund (Lower Silesia Regional Branch) and the Lower Silesia Cancer Registry...
March 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28791684/sleep-characteristics-light-at-night-and-breast-cancer-risk-in-a-prospective-cohort
#18
Alexandra J White, Clarice R Weinberg, Yong-Moon Park, Aimee A D'Aloisio, Emily Vogtmann, Hazel B Nichols, Dale P Sandler
Increasing numbers of women in the US are getting too little sleep. Inadequate sleep has been associated with impaired metabolic function and endocrine disruption. Sister Study cohort participants (n=50,884), completed baseline and follow-up questionnaires on sleep patterns. Incident breast cancers estrogen receptor (ER) status of the tumor were ascertained from questionnaires and medical records. Cox regression was used to estimate adjusted hazard ratios (HRs) and 95% confidence intervals (95% CIs). Analyses of sleep characteristics reported at the first follow-up interview included only participants who were breast cancer-free at time of follow-up interview...
August 9, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28791367/molecular-mechanisms-of-breast-cancer-metastasis-by-gene-expression-profile-analysis
#19
Tianying Zheng, Aijun Wang, Dongyan Hu, Yonggang Wang
Metastasis is the main cause of breast cancer‑related mortalities. The present study aimed to uncover the relevant molecular mechanisms of breast cancer metastasis and to explore potential biomarkers that may be used for prognosis. Expression profile microarray data GSE8977, which contained 22 stroma samples (15 were from normal breast and 7 were from invasive ductal carcinoma tumor samples), were obtained from the Gene Expression Omnibus database. Following data preprocessing, differentially expressed genes (DEGs) were selected based on analyses conducted using the linear models for microarray analysis package from R and Bioconductor software...
August 3, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28783244/loss-of-ampk-activation-promotes-the-invasion-and-metastasis-of-pancreatic-cancer-through-an-hsf1-dependent-pathway
#20
Ke Chen, Weikun Qian, Jie Li, Zhengdong Jiang, Liang Cheng, Bin Yan, Junyu Cao, Liankang Sun, Cancan Zhou, Meng Lei, Wanxing Duan, Jiguang Ma, Qingyong Ma, Zhenhua Ma
Pancreatic ductal adenocarcinoma (PDAC) is a lethal malignancy with a mortality rate that closely parallels its incidence rate, and a better understanding of the molecular and cellular mechanisms associated with the invasion and distant metastasis is required. Heat shock factor 1 (HSF1) is a very highly conserved factor in eukaryotes that regulates the protective heat shock response. Here, we show that HSF1 is abnormally activated in pancreatic cancer. The knockdown of HSF1 impaired the invasion and migration and epithelial-mesenchymal transition (EMT) of pancreatic cancer cells in vitro; however, the up-regulation of HSF1 showed the opposite effects...
August 7, 2017: Molecular Oncology
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