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https://www.readbyqxmd.com/read/29156805/circulating-tumor-dna-shows-variable-clonal-response-of-breast-cancer-during-neoadjuvant-chemotherapy
#1
Ji-Yeon Kim, Donghyun Park, Dae-Soon Son, Seok Jin Nam, Seok Won Kim, Hae Hyun Jung, Yeon Jeong Kim, Gahee Park, Woong-Yang Park, Jeong Eon Lee, Yeon Hee Park
Circulating tumor DNA (ctDNA) correlates with tumor burden and provides early detection of treatment response and tumor genetic alterations in breast cancer (BC). In this study, we aimed to identify genetic alterations during the process of tumor clonal evolution and examine if ctDNA level well indicated clinical response to neoadjuvant chemotherapy (NAC) and BC recurrence. We performed targeted ultra-deep sequencing of plasma DNAs, matched germline DNAs and tumor DNAs from locally advanced BC patients. Serial plasma DNAs were collected at diagnosis, after the 1(st) cycle of NAC and after curative surgery...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29155996/hierarchical-attention-networks-for-information-extraction-from-cancer-pathology-reports
#2
Shang Gao, Michael T Young, John X Qiu, Hong-Jun Yoon, James B Christian, Paul A Fearn, Georgia D Tourassi, Arvind Ramanthan
Objective: We explored how a deep learning (DL) approach based on hierarchical attention networks (HANs) can improve model performance for multiple information extraction tasks from unstructured cancer pathology reports compared to conventional methods that do not sufficiently capture syntactic and semantic contexts from free-text documents. Materials and Methods: Data for our analyses were obtained from 942 deidentified pathology reports collected by the National Cancer Institute Surveillance, Epidemiology, and End Results program...
November 16, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/29155240/matrix-metalloproteinases-a-challenging-paradigm-of-cancer-management
#3
REVIEW
Ali Alaseem, Khalid Alhazzani, Priya Dondapati, Saad Alobid, Anupam Bishayee, Appu Rathinavelu
Matrix metalloproteinases (MMPs) are members of zinc-dependent endopeptidases implicated in a variety of physiological and pathological processes. Over the decades, MMPs have been studied for their role in cancer progression, migration, and metastasis. As a result, accumulated evidence of MMPs incriminating role has made them an attractive therapeutic target. Early generations of broad-spectrum MMP inhibitors exhibited potent inhibitory activities, which subsequently led to clinical trials. Unexpectedly, these trials failed to meet the desired goals, mainly due to the lack of efficacy, poor oral bioavailability, and toxicity...
November 16, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/29154377/tall-cell-variant-of-papillary-breast-carcinoma-an-additional-case-with-review-of-the-literature
#4
A Pitino, S Squillaci, C Spairani, P C Rassu, M F Cosimi
Papillary lesions of the breast can be one of the most challenging aspects of mammary pathology because of a wide morphologic spectrum that may be encountered in these lesions. An unusual breast tumor has been first classified as "breast tumor resembling the tall cell variant of papillary thyroid carcinoma" and subsequently renamed "tall cell variant of papillary breast carcinoma". To our knowledge, only 13 cases of this neoplasm have been reported so far. Metastasis to the breast is not an uncommon event and about 5% of all such cases are of the thyroid origin...
September 2017: Pathologica
https://www.readbyqxmd.com/read/29154173/prognostic-value-of-tumour-infiltrating-lymphocytes-in-small-her2-positive-breast-cancer
#5
Carmen Criscitiello, Vincenzo Bagnardi, Giancarlo Pruneri, Andrea Vingiani, Angela Esposito, Nicole Rotmensz, Giuseppe Curigliano
BACKGROUND: The standard treatment for patients with small, node-negative, human epidermal growth factor receptor type 2 (HER2)-positive breast cancer (BC) is still controversial. Our aim was to assess the prognostic role of tumour-infiltrating lymphocytes (TILs) in patients with stage pT1a-b HER2-positive BC. PATIENTS AND METHODS: Haematoxylin and eosin slides from node-negative, pT1a-b HER2-positive BC surgical specimens were retrieved from pathology archives to assess TILs and their association with outcome...
November 15, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/29154023/triple-negative-breast-cancer-in-asia-an-insider-s-view
#6
REVIEW
Chao Wang, Shreya Kar, Xianning Lai, Wanpei Cai, Frank Arfuso, Gautam Sethi, Peter E Lobie, Boon C Goh, Lina H K Lim, Mikael Hartman, Ching W Chan, Soo C Lee, Sing H Tan, Alan P Kumar
While tremendous improvement has been made for the treatment of breast cancers, the treatment of triple negative breast cancer (TNBC) still remains a challenge due to its aggressive characteristics and limited treatment options. Most of the studies on TNBC were conducted in Western population and TNBC is reported to be more frequent in the African women. This review encapsulates the studies conducted on TNBC patients in Asian population and elucidates the similarities and differences between these two regions...
November 10, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/29153365/comparison-of-screening-cedm-and-mri-for-women-at-increased-risk-for-breast-cancer-a-pilot-study
#7
Maxine S Jochelson, Katja Pinker, D David Dershaw, Mary Hughes, Girard F Gibbons, Kareem Rahbar, Mark E Robson, Debra A Mangino, Debra Goldman, Chaya S Moskowitz, Elizabeth A Morris, Janice S Sung
OBJECTIVES: Contrast enhanced digital mammography (CEDM) is a new breast imaging technology increasingly used in the diagnostic setting but its utility in the pure screening setting has not been reported. The goal of this pilot study is to prospectively compare screening CEDM to breast MRI in women with an increased risk for breast cancer. METHODS: In this IRB-approved HIPAA-compliant study, 318 women at increased breast cancer risk were consented (December 2012-May 2015) to undergo CEDM in addition to their scheduled MRI...
December 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/29153055/routine-colonoscopy-diabetic-eye-care-mammogram-and-pap-smear-screening-in-vascular-surgery-patients
#8
Young Lee, Afsha Aurshina, Aaron J Lee, Israel M Ackerman, Michael Chait, Daniel Novak, Anil Hingorani, Enrico Ascher, Natalie Marks
Objective An increasing emphasis on preventive medicine has been supported by the recent reforms in United States health care system. Majority of the patients seen in vascular surgery clinics are elderly with more extensive medical comorbidities compared to the general population. Thus, these patients would be expected at higher risk for common malignant pathologies such as colon, breast and cervical cancer, and nonmalignant diseases such as diabetic retinopathy. This study looked at the screening compliance of vascular patients compared to data provided by Centers for Disease Control on the national and state levels...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/29151971/the-predictive-and-prognostic-role-of-stromal-tumor-infiltrating-lymphocytes-in-her2-positive-breast-cancer-with-trastuzumab-based-treatment-a-meta-analysis-and-systematic-review
#9
Tao Xu, Bang-Shun He, Xiang-Xiang Liu, Xiu-Xiu Hu, Kang Lin, Yu-Qin Pan, Hui-Ling Sun, Hong-Xin Peng, Xiao-Xiang Chen, Shu-Kui Wang
Background Tumor-infiltrating lymphocytes (TILs) are white blood cells that have left the bloodstream and migrated into a tumor, involving in the prognosis of breast cancer (BC) patients. Published studies reported the value of TILs in patients with HER2-positive receiving trastuzumab-based treatment. However, the results obtained remain controversial. Here, we conducted this study to explore the predictive and prognostic role of TILs for HER2-positive BC patients receiving trastuzumab therapies. Method To identify the related published studies, a comprehensive literature search dating up to July 2017 was performed in the databases of PubMed, PMC, Web of Science and China National Knowledge Infrastructure (CNKI) according to predefined selection criteria...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29151937/combination-of-plasma-ha-and-circulating-m2-like-monocytes-may-serve-as-a-diagnostic-marker-for-breast-cancer
#10
Boke Zhang, Manlin Cao, Yiqing He, Yiwen Liu, Guoliang Zhang, Cuixia Yang, Yan Du, Jing Xu, Jiajie Hu, Feng Gao
Background: Breast cancer (BC)-derived hyaluronan (HA) can induce the formation of M2-like tumor-associated macrophages (TAMs) in tumor context. However, little is known about the correlation between circulating M2-like monocytes and plasma HA in BC patients. This study focused on evaluating the relationship between circulating M2-like monocytes and plasma HA, and further appraised the diagnostic value of them in BC. Methods: The expression of M2-like TAMs and HA was determined in pathological tissues by immunohistochemistry...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29151311/how-to-manage-pseudoangiomatous-stromal-hyperplasia-our-clinical-experience
#11
Emine Kurt, Sevim Turanlı, Fatma Markoç, Uğur Berberoğlu
Background/aim: Pseudoangiomatous stromal hyperplasia (PASH) is a rare and benign mesenchymal proliferative breast lesion. Our aim is to review the clinical and radiological features of PASH and define a standard approach for its diagnosis and management. Materials and methods: Clinical records of 35 consecutive patients with PASH were retrospectively reviewed between 2009 and 2015. Patients with clinically or radiologically detected mass and patients who underwent biopsy for other indications and were diagnosed incidentally were included in the study...
November 13, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29151291/-risk-adapted-postmastectomy-radiotherapy-based-on-local-regional-recurrence-for-t1-2n1m0-breast-cancer
#12
M Li, S L Wang, H Fang, Y Tang, B Chen, S N Qi, Y W Song, Y P Liu, N N Lu, N Li, Y Tang, H Ren, J Jin, Y X Li
Objective: To establish a risk-adapted postmastectomy radiotherapy strategy based on local-regional recurrence for intermediate-risk breast cancer (T1~2N1M0 stage). Methods: A total of 2413 patients with T1-2N1M0 breast cancer were retrospectively reviewed. Of them, 588 patients (24.4%) received postmastectomy radiotherapy (PMRT), while 1 825 (75.6%) patients did not. A comprehensive comparative study was performed by using multivariable and propensity score-matched (PSM) analyses. Results: The median follow-up time was 67...
November 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/29150365/correlation-between-ultrasound-appearance-of-small-breast-cancer-and-axillary-lymph-node-metastasis
#13
Xiaoqin Yu, Xiaoyan Hao, Jing Wan, Yingying Wang, Lan Yu, Binyue Liu
To study the correlation of ultrasonographic signs of small breast cancer (maximum diameter ≤2.0 cm) with axillary lymph node metastasis, pre-operative ultrasonographic images of 153 small breast malignant neoplasms in 143 breast cancer patients were analyzed according to their pathologic features. Of the small breast tumors included, 47 showed axillary lymph node metastasis. Diagnosis of all patients was obtained with radical axillary surgery or a sentinel lymph node biopsy procedure. Ultrasonographic signs included irregular shape, microlobulated contour, spiculation, microcalcification, posterior echo attenuation, blood-flow grade, perforating vessels, changes in fascia or cooper's ligament and maximum cortical thickness of lymph nodes...
November 14, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29149740/skin-reducing-mastectomy-and-direct-to-implant-reconstruction-in-giant-phyllodes-tumour-of-breast-case-report
#14
Francesco Ciancio, Alessandro Innocenti, Luigi Cagiano, Aurelio Portincasa, Domenico Parisi
BACKGROUND: The phyllodes tumour of the breast comprises about 0.5% of all neoplasms of the breast. CASE REPORT: we present the case of a female patient (55 years old) suffering from giant phyllodes tumour (>10cm) of the left breast, who underwent Skin Reducing Mastectomy (SRM) and reconstruction with silicone breast implant (Bostwick Technique). DISCUSSION AND CONCLUSION: In selected patients with large sized breasts (C-D cup) and poor surface area of skin involved, a valid technique in the treatment of this pathology is the Skin-Reducing Mastectomy and immediate reconstruction with implants (DTI=direct to implant)...
November 13, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29148719/effect-of-antigen-retrieval-methods-on-non-specific-binding-of-anti-body-metal-nanoparticle-conjugates-on-ffpe-tissue
#15
Yuying Zhang, Xinping Wang, Sven Perner, Ágnes Bánkfalvi, Sebastian Schlücker
Immunohistochemical analysis of FFPE tissues provides important diagnostic and prognostic information in pathology. Metal nanoparticles (NPs) and in particular surface-enhanced Raman scattering (SERS) nanotags as a new class of labelling reagents are promising to be used for multiplexed protein profiling on tissue sections. However, non-specific binding of NPs onto the tissue specimens greatly hampers their clinical applications. In this study, we found that the antigen retrieval method strongly influences the extent of non-specific binding of the antibody-SERS NP conjugates to the tissue...
November 17, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29148540/single-cell-heterogeneity-in-ductal-carcinoma-in-situ-of-breast
#16
Michael J Gerdes, Yesim Gökmen-Polar, Yunxia Sui, Alberto Santamaria Pang, Nicole LaPlante, Adrian L Harris, Puay-Hoon Tan, Fiona Ginty, Sunil S Badve
Heterogeneous patterns of mutations and RNA expression have been well documented in invasive cancers. However, technological challenges have limited the ability to study heterogeneity of protein expression. This is particularly true for pre-invasive lesions such as ductal carcinoma in situ of the breast. Cell-level heterogeneity in ductal carcinoma in situ was analyzed in a single 5 μm tissue section using a multiplexed immunofluorescence analysis of 11 disease-related markers (EGFR, HER2, HER4, S6, pmTOR, CD44v6, SLC7A5 and CD10, CD4, CD8 and CD20, plus pan-cytokeratin, pan-cadherin, DAPI, and Na+K+ATPase for cell segmentation)...
November 17, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29147646/creation-and-pilot-testing-of-cases-for-case-based-learning-a-pedagogical-approach-for-pathology-cancer-diagnosis
#17
Shahin Sayed, Susan C Lester, Michael Wilson, Daniel Berney, Ricard Masia, Zahir Moloo, Jennifer Stall, Alexia Eslan, Stephanie Ayers, Angela Mutuku, Jeannette Guarner
Background: Case-based learning (CBL) is an established pedagogical active learning method used in various disciplines and defined based on the field of study and type of case. The utility of CBL for teaching specific aspects of cancer diagnosis to practising pathologists has not been previously studied in sub-Saharan Africa. Objectives: We aimed to pilot test standardised cancer cases on a group of practising pathologists in sub-Saharan Africa to evaluate case content, clarity of questions and delivery of content...
2017: African Journal of Laboratory Medicine
https://www.readbyqxmd.com/read/29147625/a-transcriptomic-insight-into-the-impacts-of-mast-cells-in-lung-breast-and-colon-cancers
#18
Eun-A Ko, Kenton M Sanders, Tong Zhou
To date, the exact impact of mast cells in tumor microenvironment is still controversial because of inconsistency in observations regarding the relationship between mast cell infiltrates and cancer development and prognosis. The discrepancies in previous studies have motivated us to examine the roles of mast cells in cancer pathology from different perspectives. Here, we investigated the impact of mast cells on transcriptomic profiles in the tissue microenvironment. Mice carrying the W-sh mutation in c-kit (Kit(W-sh) ) are deficient in mast cell production and were used to assess the influence of mast cells on gene expression...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29147448/lessons-from-managing-the-breast-malignant-adenomyoepithelioma-and-the-discussion-on-treatment-strategy
#19
Zhu Yuan, Xiang Qu, Zhong-Tao Zhang, Wen G Jiang
This study set out to investigate the clinical diagnosis and treatment strategies for malignant breast adenomyoepithelioma (AME), thus increasing the clinical knowledge on such disease. Two patients with malignant breast AME in Beijing Friendship Hospital were selected for study. Here we report the diagnosis and treatment processes in terms of the failure experience and lessons and relate our findings to those in the literature. Malignant breast AME is inclined to affect the areola area. It is recommended to conduct simple mastectomy combined with sentinel lymph node dissection due to the low sensitivity of the preoperative imaging diagnosis and difficulty in the pathological diagnosis...
August 2017: World Journal of Oncology
https://www.readbyqxmd.com/read/29147445/role-of-taxanes-in-triple-negative-breast-cancer-a-study-from-tertiary-cancer-center-in-south-india
#20
K C Lakshmaiah, Abhishek Anand, K Govind Babu, Lokanatha Dasappa, Linu Abraham Jacob, Suresh Babu M C, K N Lokesh, A H Rudresha, L K Rajeev, Smitha C Saldanha, G V Giri, Deepak Koppaka
Background: Breast cancer is the most common female cancer seen globally. Triple-negative breast cancer (TNBC) is a special subtype without any obvious target and optimum treatment remains challenging. The aim was to study the clinical, pathological profile and treatment outcome of TNBC patients. Methods: This was a retrospective observational study of TNBC patients diagnosed from January 2010 to June 2012 at a tertiary cancer center in South India. Patient's clinical and pathological characteristics were studied...
August 2017: World Journal of Oncology
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