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Breast radiotherapy

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https://www.readbyqxmd.com/read/28429197/axillary-micrometastases-and-isolated-tumor-cells-are-not-an-indication-for-post-mastectomy-radiotherapy-in-stage-1-and-2-breast-cancer
#1
Anita Mamtani, Sujata Patil, Michelle Stempel, Monica Morrow
BACKGROUND: Randomized trials demonstrate equivalent locoregional control with sentinel lymph node biopsy (SLNB) or axillary lymph node dissection (ALND) for T1-2 micrometastatic breast cancer, but include few mastectomy patients. Consensus is lacking on indications for post-mastectomy radiotherapy (PMRT) in this population. Herein, we evaluate locoregional recurrence (LRR) in an unselected, modern cohort of T1-2 breast cancer patients with micrometastases or isolated tumor cells (ITCs; N0i+/N1mi) having a mastectomy...
April 20, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28428927/limitations-of-personalized-medicine-and-gene-assays-for-breast-cancer
#2
David Tiberi, Laura Masucci, Daniel Shedid, Isabelle Roy, Toni Vu, Erica Patocskai, André Robidoux, Philip Wong
Adjuvant systemic treatments reduce the risk of breast cancer recurrence following the local treatment of primary stage I-III breast cancers. For patients with hormone-positive breast cancers receiving hormonal therapy, the risk of distant recurrence is under 20% and therefore, many patients may potentially be spared of chemotherapy. Consequently, several molecular signatures based on gene expression were developed to better determine which breast cancer patients would benefit from chemotherapy. We present the case of a 62-year-old woman diagnosed with an early stage hormone receptor-positive breast cancer that was treated with a partial mastectomy...
March 17, 2017: Curēus
https://www.readbyqxmd.com/read/28427525/precision-medicine-for-early-breast-cancer-radiotherapy-opening-up-new-horizons
#3
REVIEW
Jacques Bernier
So far most efforts put forth to test the value of predictive and prognostic tools in the field of breast radiotherapy remained globally disappointing, or at least below the convincing levels reached for systemic therapy. Nevertheless the addition of predictive tools to the clinical armament tends to prevail over the use of the sole prognostic factors, also in radiotherapy. A number of predictive assays, clinically validated or not, have recently elicited significant associations between molecular profiles and tumor biological aggressiveness and/or radiosensitivity levels...
May 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28427518/controversies-in-clinicopathological-characteristics-and-treatment-strategies-of-male-breast-cancer-a-review-of-the-literature
#4
REVIEW
Agnese Losurdo, Selene Rota, Giuseppe Gullo, Giovanna Masci, Rosalba Torrisi, Giulia Bottai, Monica Zuradelli, Wolfgang Gatzemeier, Armando Santoro
Male breast cancer (MaBC) is a rare disease, accounting for less than 1% of malignancies in men. For this reason, literature data on its clinicopathological characteristics are very heterogeneous and treatment strategies have mostly been extrapolated from the female counterpart. However, immunohistochemical peculiarities of MaBC have recently emerged, defining it as a distinct entity from female breast cancer (FBC), thus requiring a tailored clinical approach. MaBC appears to be more often hormone receptor positive than FBC, while data on HER2 status still remain inconclusive, indicating a possible higher incidence of HER2 alterations...
May 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28423782/developing-a-manually-annotated-corpus-of-clinical-letters-for-breast-cancer-patients-on-routine-follow-up
#5
Graham Pitson, Patricia Banks, Lawrence Cavedon, Karin Verspoor
This paper introduces the annotation schema and annotation process for a corpus of clinical letters describing the disease course and treatment of oestrogen receptor positive breast cancer patients, after completion of primary surgery and radiotherapy treatment. Concepts related to therapy, clinical signs, and recurrence, as well as relationships linking these, are identified and annotated in 200 letters. This corpus will provide the basis for development of natural language processing tools for automatic extraction of key clinical factors from such letters...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28422090/surgical-treatment-in-paget-s-disease-with-invasive-ductal-carcinoma-an-observational-study-based-on-seer
#6
Qi Wu, Xiaojun Ding, Juanjuan Li, Si Sun, Shan Zhu, Juan Wu, Qian Liu, Feng Yao, Shengrong Sun
The aim is to analyse the clinical presentation, treatment and outcomes in patients with Paget's disease with invasive ductal carcinoma (PD-IDC), with special emphasis on the role of surgical treatment. Using data obtained by the Surveillance, Epidemiology, and End Results (SEER) program from 2010-2013, we investigated the differences in characteristics, overall survival (OS), and breast cancer-specific mortality (BCSM) between patients with PD-IDC and those with invasive ductal carcinoma (IDC). Compared with IDC group, patients with PD-IDC had a better prognosis and lower mortality in adjusted analyses...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28421725/no-association-of-positive-superficial-and-or-deep-margins-with-local-recurrence-in-invasive-breast-cancer-treated-with-breast-conserving-surgery
#7
Tae In Yoon, Jong Won Lee, Sae Byul Lee, Guiyun Sohn, Jisun Kim, Il Young Chung, Hee Jeong Kim, Beom Seok Ko, Byung Ho Son, Gyungyub Gong, Sung-Bae Kim, Su Ssan Kim, Seung Do Ahn, Minsung Chung, Sei Hyun Ahn
Purpose: We evaluated the effect of positive superficial and/or deep margin status on local recurrence (LR) in invasive breast cancer treated with breast-conserving surgery (BCS) followed by radiotherapy. Materials and Methods: In total, 3403 stage 1 and 2 invasive breast cancer patients treated with BCS followed by radiotherapy from January 2000 to December 2008 were included in this study. These patients were divided into 3 groups according to margin status: clear resection margin status for all sections (group 1, n = 3195); positive margin status in superficial and/or deep sections (group 2, n = 121); and positive peripheral parenchymal margin regardless of superficial and/or deep margin involvement (group 3, n = 87)...
April 14, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28420149/advanced-stage-at-presentation-remains-a-major-factor-contributing-to-breast-cancer-survival-disparity-between-public-and-private-hospitals-in-a-middle-income-country
#8
Yek-Ching Kong, Nirmala Bhoo-Pathy, Shridevi Subramaniam, Nanthini Bhoo-Pathy, Nur Aishah Taib, Suniza Jamaris, Kiran Kaur, Mee-Hoong See, Gwo-Fuang Ho, Cheng-Har Yip
Background: Survival disparities in cancer are known to occur between public and private hospitals. We compared breast cancer presentation, treatment and survival between a public academic hospital and a private hospital in a middle-income country. Methods: The demographics, clinical characteristics, treatment and overall survival (OS) of 2767 patients with invasive breast carcinoma diagnosed between 2001 and 2011 in the public hospital were compared with 1199 patients from the private hospital. Results: Compared to patients in the private hospital, patients from the public hospital were older at presentation, and had more advanced cancer stages...
April 16, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28419458/therapeutic-potential-of-novel-formulated-forms-of-curcumin-in-the-treatment-of-breast-cancer-by-the-targeting-of-cellular-and-physiological-dysregulated-pathways
#9
REVIEW
Amir Tajbakhsh, Malihe Hasanzadeh, Mehdi Rezaee, Mostafa Khedri, Majid Khazaei, Soodabeh Shahid Sales, Gordon A Ferns, Seyed Mahdi Hassanian, Amir Avan
Breast cancer is among the most important causes of cancer related death in women. There is a need for novel agents for targeting key signaling pathways to either improve the efficacy of the current therapy, or reduce toxicity. There is some evidence that curcumin may have antitumor activity in breast cancer. Several clinical trials have investigated its activity in patients with breast cancer, including a recent trial in breast cancer patients receiving radiotherapy, in whom it was shown that curcumin reduced the severity of radiation dermatitis, although it is associated with low bioavailability...
April 17, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28418853/possible-benefits-from-post-mastectomy-radiotherapy-in-node-negative-breast-cancer-patients-a-multicenter-analysis-in-korea-krog-14-22
#10
REVIEW
Hae Jin Park, Kyung Hwan Shin, Jin Ho Kim, Seung Do Ahn, Su Ssan Kim, Yong Bae Kim, Won Park, Yeon-Joo Kim, Hyun Soo Shin, Jin Hee Kim, Sun Young Lee, Kyubo Kim, Kyung Ran Park, Bae Kwon Jeong
PURPOSE: This study was performed to identify a subset of patients who may benefit from post-mastectomy radiotherapy (PMRT) among node-negative breast cancer patients. MATERIALS AND METHODS: We retrospectively reviewed 1,828 patients with pT1-2N0 breast cancer, treated with mastectomy without PMRT from 2005 to 2010 at 10 institutions. Univariate and multivariate analyses for locoregional recurrence (LRR) and any first recurrence (AFR) were performed according to clinicopathologic factors and biologic subtypes...
March 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28417333/immediate-tissue-expander-or-implant-based-breast-reconstruction-does-not-compromise-the-oncologic-delivery-of-post-mastectomy-radiotherapy-pmrt
#11
Krishan R Jethwa, Mohamed M Kahila, Thomas J Whitaker, William S Harmsen, Kimberly S Corbin, Sean S Park, Elizabeth S Yan, Valerie Lemaine, Judy C Boughey, Robert W Mutter
PURPOSE: Increasingly, women are choosing immediate breast reconstruction (IBR) following mastectomy. Reports have indicated IBR may compromise post-mastectomy radiotherapy (PMRT). We investigated the impact of IBR on timing of PMRT, target coverage, and doses to organs at risk in a modern radiotherapy practice using advanced planning techniques. METHODS: Between 2013 and 2015, PMRT was delivered to 116 patients (66 mastectomy alone, 50 IBR). PMRT was delivered with a median dose of 50 Gy in 25 fractions...
April 17, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28416138/patient-centered-outcomes-of-breast-reconstruction-in-the-setting-of-post-mastectomy-radiotherapy-a-comprehensive-review-of-the-literature
#12
REVIEW
Bassim El-Sabawi, Adelyn L Ho, Michael Sosin, Ketan M Patel
BACKGROUND: The impact of post-mastectomy radiotherapy (PMRT) on patient-centered outcomes of breast reconstruction remains unclear. This comprehensive review aims to consolidate the available data regarding aesthetic outcomes, patient satisfaction, and the BREAST-Q(©) following breast reconstruction in the setting of PMRT to facilitate the informed consent and shared decision-making process. MATERIALS AND METHODS: A systematic search of the literature published from 2000 to 2016 in the PubMed/MEDLINE database was performed to identify all manuscripts reporting aesthetic outcome, patient satisfaction, or BREAST-Q(©) scores of patients undergoing PMRT and breast reconstruction...
February 28, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28415667/effect-of-radiotherapy-after-breast-conserving-surgery-in-older-patients-with-early-breast-cancer-and-breast-ductal-carcinoma-in-situ-a-meta-analysis
#13
Xuan-Zhang Huang, You Chen, Wen-Jun Chen, Xi Zhang, Cong-Cong Wu, Chao-Ying Zhang, Shuang-Shuang Sun, Jian Wu
BACKGROUND: There are no consistent agreements on whether radiotherapy after breast-conserving surgery (BCS) could provide local control and survival benefit for older patients with early breast cancer or breast ductal carcinoma in situ (DCIS). The present study aimed to evaluate the efficacy of radiotherapy after BCS in older patients with early breast cancer or DCIS. RESULTS: Radiotherapy could reduce the risk of local relapse in older patients with early breast cancer...
March 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415563/gd2-expression-in-breast-cancer
#14
Giulia Orsi, Monica Barbolini, Guido Ficarra, Giovanni Tazzioli, Paola Manni, Tiziana Petrachi, Ilenia Mastrolia, Enrico Orvieto, Carlotta Spano, Malvina Prapa, Shaniko Kaleci, Roberto D'Amico, Valentina Guarneri, Maria Vittoria Dieci, Stefano Cascinu, Pierfranco Conte, Federico Piacentini, Massimo Dominici
Breast cancer (BC) is a heterogeneous disease, including different subtypes having diverse incidence, drug-sensitivity and survival rates. In particular, claudin-low and basal-like BC have mesenchymal features with a dismal prognosis. Disialoganglioside GD2 is a typical neuroectodermal antigen expressed in a variety of cancers. Despite its potential relevance in cancer diagnostics and therapeutics, the presence and role of GD2 require further investigation, especially in BC. Therefore, we evaluated GD2 expression in a cohort of BC patients and its correlation with clinical-pathological features...
March 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28412736/tumor-biology-clinicopathological-characteristics-and-prognosis-of-screen-detected-t1-invasive-non-palpable-breast-cancer-in-asymptomatic-chinese-women-2001-2014
#15
Bo Pan, Ru Yao, Yi-Dong Zhou, Qing-Li Zhu, Jie Shi, Qian-Qian Xu, Chang-Jun Wang, Shan-Shan You, Feng Mao, Yan Lin, Song-Jie Shen, Zhi-Yong Liang, Yu-Xin Jiang, Qiang Sun
BACKGROUND: Mammography screening usually detects low-risk breast cancer in the western world. However, little is known about the ultrasound and mammography screen-detected T1 invasive non-palpable breast cancer (NPBC) in asymptomatic Chinese women. RESULTS: With the increase of tumor size (T1a, b, c), lymph node positivity (8.7%, 18.3%, 26.0%, p = 0.018), pN (p = 0.028) and TNM stage (p = 0.035) increased accordingly. Tumor size (T1a, b, c) was correlated with high Ki-67 index (defined as ≥ 14%, 37...
February 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28410213/brca2-mutations-should-be-screened-early-and-routinely-as-markers-of-poor-prognosis-evidence-from-8-988-patients-with-prostate-cancer
#16
Ming Cui, Xian-Shu Gao, Xiaobin Gu, Wei Guo, Xiaoying Li, Mingwei Ma, Shangbin Qin, Xin Qi, Mu Xie, Chuan Peng, Yun Bai
The aim of this study was to focus on clinicopathological characteristics and prognosis in men with prostate cancer (PCa) harboring a breast cancer 2 (BRCA2) gene mutation and to offer convincing evidence to consider BRCA2 mutation as a marker of poor prognosis in the molecular classification of PCa. We searched relevant articles from PubMed, Embase, Web of Science, and the Cochrane Library databases to evaluate the differences in the overall survival (OS) and cancer-specific survival (CSS) between BRCA2 mutation carriers and non-carriers in patients with PCa...
March 30, 2017: Oncotarget
https://www.readbyqxmd.com/read/28405497/results-of-a-phase-i-ii-study-of-adjuvant-concurrent-carboplatin-and-accelerated-radiotherapy-for-triple-negative-breast-cancer
#17
Silvia C Formenti, Encouse B Golden, Judith D Goldberg, Xiaochun Li, Jessica Taff, Maria B Fenton-Kerimian, Sharanya Chandrasekhar, Sandra Demaria, Yelena Novik
Purpose: To determine feasibility and explore the clinical efficacy of concurrent radiotherapy and carboplatin as adjuvant treatment of triple negative breast cancer (TNBC). Patients and Methods: Women with Stage I-II TNBC were treated after surgery in a phase I-II prospective trial [NCT01289353]. Weekly carboplatin (AUC = 2.0) was delivered for 6 weeks. Concurrent radiotherapy was delivered in the prone position during weeks 2-4, for a total dose of 40.5 Gy in 15 fractions to the breast, and 46.5 Gy in 17 fractions to the tumor bed...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28405261/blocking-of-the-lymphatic-vessel-in-lymphedema
#18
Hisako Hara, Makoto Mihara
Objective: In this case report, we present a case wherein we observed a blocking of lymphatic vessels in indocyanine green lymphography and found a shrunken lymphatic vessel intraoperatively. Methods: We performed indocyanine green lymphography and lymphaticovenous anastomosis on a 77-year-old woman. She had previously undergone right mastectomy and axillary lymph node dissection accompanied by radiotherapy and chemotherapy for right breast cancer. She noticed swelling in the right upper limb 22 years after the surgery and consulted our hospital...
2017: Eplasty
https://www.readbyqxmd.com/read/28405101/the-feasibility-study-of-a-hybrid-coplanar-arc-technique-versus-hybrid-intensity-modulated-radiotherapy-in-treatment-of-early-stage-left-sided-breast-cancer-with-simultaneous-integrated-boost
#19
Yuan-Gui Chen, An-Chuan Li, Wen-Yao Li, Miao-Yun Huang, Xiao-Bo Li, Ming-Qiu Chen, Mutian Zhang, Ben-Hua Xu
This study demonstrated the feasibility and advantages of a hybrid, volumetric arc therapy technique that used two 90° coplanar arcs and two three-dimensional conformal tangential beams in the simultaneous-integrated boost radiotherapy of left-sided breast cancer after breast-conserving surgery. A total of nine patients with stage I, left-sided breast cancer who underwent breast-conserving surgery were selected for this retrospective study. For each patient, a hybrid arc plan was generated and then compared with two hybrid intensity-modulated radiotherapy plans...
January 2017: Journal of Medical Physics
https://www.readbyqxmd.com/read/28403777/potential-molecular-targets-of-ampelopsin-in-prevention-and-treatment-of-cancers
#20
Xianjuan Kou, Jingjing Fan, Ning Chen
Cancers have increasing threat to human health due to the limited treatment efficacy of chemotherapy and radiotherapy with a series of toxicity and side effects; therefore, the development and utilization of natural products with potential preventive and therapeutic efficacy, and less toxicity and side effects will be beneficial to promote the health of cancer patients. In this article, the activity of ampelopsin as a natural flavonoid and its underlying molecular mechanisms for the prevention and treatments of hepatic carcinoma, breast cancer, prostate cancer and melanoma through inhibiting cell proliferation, accelerating apoptosis, inducing reactive oxygen species (ROS) generation and endoplasmic reticulum (ER) stress, suppressing angiogenesis, invasion and metastasis, and synergizing the efficacy of other anti-cancer drugs have been summarized...
April 12, 2017: Anti-cancer Agents in Medicinal Chemistry
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