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Breast radiation

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https://www.readbyqxmd.com/read/29139613/nipple-sparing-mastectomy-as-treatment-for-patients-with-ductal-carcinoma-in%C3%A2-situ-a-10-year-follow-up-study
#1
Víctor Lago, Vincenzo Maisto, Julia Gimenez-Climent, Jose Vila, Carlos Vazquez, Rafael Estevan
The objective was to determine the 10-year oncological safety of nipple-sparing mastectomy (NSM) in patients diagnosed with ductal carcinoma in situ (DCIS). The use of NSM preserves the nipple-areola complex (NAC). As residual fibroglandular breast tissue can remain behind the spared NAC, its use for patient with breast cancer is controversial. The oncologic outcomes and complication rates after performing NSM compared to other techniques are still under debate and a concern when treating patients with breast cancer...
November 15, 2017: Breast Journal
https://www.readbyqxmd.com/read/29139040/recommendations-for-the-follow-up-care-of-female-breast-cancer-survivors-a-guideline-of-the-spanish-society-of-medical-oncology-seom-spanish-society-of-general-medicine-semergen-spanish-society-for-family-and-community-medicine-semfyc-spanish-society-for-general
#2
A Barnadas, M Algara, O Cordoba, A Casas, M Gonzalez, M Marzo, A Montero, M Muñoz, A Ruiz, F Santolaya, T Fernandez
The increased incidence and decreased mortality of breast cancer have produced an increased number of breast cancer survivors. The type of sequelae and comorbidities that these patients present call for a collaborative follow-up by hospital-based specialized care and primary care. In this document, we present a guideline drafted and agreed among scientific societies whose members care for breast cancer survivors. The purpose of this guideline is to achieve the shared and coordinated follow-up of these patients by specialized care and primary care professionals...
November 14, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/29137223/hormone-induced-dna-damage-response-and-repair-mediated-by-cyclin-d1-in-breast-and-prostate-cancer
#3
REVIEW
Gabriele Di Sante, Agnese Di Rocco, Claudia Pupo, Mathew C Casimiro, Richard G Pestell
Cell cycle control proteins govern events that leads to the production of two identical daughter cells. Distinct sequential temporal phases, Gap 1 (G1), Gap 0 (G0), Synthesis (S), Gap 2 (G2) and Mitosis (M) are negotiated through a series of check points during which the favorability of the local cellular environment is assessed, prior to replicating DNA [1]. Cyclin D1 has been characterized as a key regulatory subunit of the holoenzyme that promotes the G1/S-phase transition through phosphorylating the pRB protein...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29136066/unsuspected-lymphomatoid-granulomatosis-in-a-patient-with-antisynthetase-syndrome
#4
Stephanie L Skala, Alexandra C Hristov, Johann E Gudjonsson, May P Chan
Clinical diagnosis of lymphomatoid granulomatosis (LYG) often is difficult, especially in patients with multiple comorbidities. We present a 60-year-old woman with worsening fatigue, night sweats, unintentional weight loss, and dyspnea of 2 weeks' duration. Her medical history was remarkable for recent radiation therapy for recurrent breast cancer and antisynthetase syndrome complicated by interstitial lung disease and controlled with azathioprine. Computed tomography showed ground-glass opacities and nodular infiltrates in all lung lobes, raising concern for radiation pneumonitis and drug toxicity...
October 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/29135507/immunohistochemical-and-fluorescence-in-situ-hybridization-analysis-of-myc-in-a-series-of-17-cutaneous-angiosarcomas-a-single-center-study
#5
Celia Requena, Luis Rubio, Javier Lavernia, Isidro Machado, Beatriz Llombart, Onofre Sanmartín, Víctor Traves, Carlos Guillén, Julia Cruz
Cutaneous angiosarcoma (AS) is an uncommon aggressive sarcoma whose incidence is rising because of the increasing use of radiation therapy, especially in breast cancer. The few studies on the relevance of prognostic factors, such as MYC status in cutaneous AS, have reported inconclusive findings, with some authors reporting MYC amplification only in postirradiation and lymphedema-associated AS and others reporting evidence of MYC amplification in idiopathic AS. We analyzed 17 cases of cutaneous AS (6 idiopathic AS, 10 postirradiation AS, and 1 lymphedema-associated AS) treated at our institute between 2000 and 2015...
November 7, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/29132566/are-there-alternative-strategies-for-the-local-management-of-ductal-carcinoma-in-situ
#6
REVIEW
Kelly J Rosso, Anna Weiss, Alastair M Thompson
The management of ductal carcinoma in situ (DCIS) has traditionally followed the evidence base for invasive breast cancer using surgery, radiation therapy, and drug therapy to remove the DCIS from the breast and reduce the risk of recurrence for both DCIS and invasive breast cancer. Because of concerns regarding the overtreatment of DCIS, randomized controlled trials have been established to test the outcomes (invasive breast cancer outcomes and patient-reported outcome measures) of active surveillance compared with guideline-concordant care for low-risk (for progression) DCIS...
January 2018: Surgical Oncology Clinics of North America
https://www.readbyqxmd.com/read/29132560/alternatives-to-standard-fractionation-radiation-therapy-after-lumpectomy-hypofractionated-whole-breast-irradiation-and-accelerated-partial-breast-irradiation
#7
REVIEW
Nisha Ohri, Bruce G Haffty
Adjuvant whole-breast irradiation (WBI) after lumpectomy has been an established standard of care for decades. Standard-fractionation WBI delivered over 5 to 7 weeks can achieve durable tumor control with low toxicity but can be inconvenient for patients and cost ineffective. Hypofractionated WBI can be completed in 3 to 4 weeks and, based on long-term randomized data, is the preferred standard of care in select patients. Accelerated partial-breast irradiation can be delivered using even shorter treatment regimens...
January 2018: Surgical Oncology Clinics of North America
https://www.readbyqxmd.com/read/29131762/strengths-and-weaknesses-of-synthetic-mammography-in-screening
#8
Linda Ratanaprasatporn, Sona A Chikarmane, Catherine S Giess
Synthetic mammography (SM) consists of two-dimensional images reconstructed from digital breast tomosynthesis (DBT) data. Unlike standard full-field digital mammography (FFDM), SM does not require additional radiation exposure. SM is being introduced in breast imaging centers because early clinical data demonstrate that synthetic images are comparable to FFDM in cancer detection, positive predictive values, and recall rates. SM has completely replaced FFDM in some practices. Thus, an understanding of SM and its strengths and weaknesses compared with those of FFDM is essential...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29130001/are-patients-traveling-for-intraoperative-radiation-therapy
#9
Kelsey E Larson, Stephanie A Valente, Chirag Shah, Rahul D Tendulkar, Sheen Cherian, Courtney Yanda, Chao Tu, Jessica Echle, Stephen R Grobmyer
Purpose: One benefit of intraoperative radiation therapy (IORT) is that it usually requires a single treatment, thus potentially eliminating distance as a barrier to receipt of whole breast irradiation. The aim of this study was to evaluate the distance traveled by IORT patients at our institution. Methods: Our institutional prospective registry was used to identify IORT patients from 10/2011 to 2/2017. Patient's home zip code was compared to institution zip code to determine travel distance...
2017: International Journal of Breast Cancer
https://www.readbyqxmd.com/read/29127715/relationship-between-preoperative-breast-mri-and-surgical-treatment-of-non-metastatic-breast-cancer
#10
Tracy Onega, Julie E Weiss, Martha E Goodrich, Weiwei Zhu, Wendy B DeMartini, Karla Kerlikowske, Elissa Ozanne, Anna N A Tosteson, Louise M Henderson, Diana S M Buist, Karen J Wernli, Sally D Herschorn, Elise Hotaling, Cristina O'Donoghue, Rebecca Hubbard
BACKGROUND AND OBJECTIVES: More extensive surgical treatments for early stage breast cancer are increasing. The patterns of preoperative MRI overall and by stage for this trend has not been well established. METHODS: Using Breast Cancer Surveillance Consortium registry data from 2010 through 2014, we identified women with an incident non-metastatic breast cancer and determined use of preoperative MRI and initial surgical treatment (mastectomy, with or without contralateral prophylactic mastectomy (CPM), reconstruction, and breast conserving surgery ± radiation)...
November 11, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29124038/intraoperative-radiation-for-breast-cancer-with-intrabeam%C3%A2-factors-associated-with-decreased-operative-times-in-patients-having-iort-for-breast-cancer
#11
Stephanie A Valente, Alicia Fanning, Robyn A Stewart, Sharon Grundfest, Rahul D Tendulkar, Sheen Cherian, Chirag Shah, Chao Tu, Courtney Yanda, Diane Radford, Zahraa Al-Hilli, Stephen R Grobmyer
Introduction: Intraoperative radiation with Intrabeam™ (IORT) for breast cancer is a newer technology recently implemented into the operating room (OR). This procedure requires time and coordination between the surgeon and radiation oncologist, who both perform their treatments in a single operative setting. We evaluated the surgeons at our center, who perform IORT and their OR times to examine changes in OR times following implementation of this new surgical procedure. We hypothesized that IORT is a technique for which timing could be improved with the increasing number of cases performed...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/29123573/conformity-index-and-homogeneity-index-of-the-postoperative-whole-breast-radiotherapy
#12
Deva Petrova, Snezana Smickovska, Emilija Lazarevska
BACKGROUND: The treatment of breast cancer involves a multidisciplinary approach in which radiotherapy plays a key role. AIM: The conformity index and the homogeneity index are two analysis tools of a treatment plan using conformal radiotherapy. The purpose of this article is an analysis of these two parameters in the assessment of the treatment plans in 58 patients undergoing postoperative radiotherapy of the whole breast. MATERIALS AND METHODS: All 58 patients participating in the study had a conservatively treated early-stage breast cancer...
October 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29120816/tumor-targeted-stealthy-and-degradable-bismuth-nanoparticles-for-enhanced-x-ray-radiation-therapy-of-breast-cancer
#13
Junjie Deng, Shandong Xu, Weike Hu, Xiaojie Xun, Liyuan Zheng, Ming Su
Nanoparticles of heavy elements can be used as radiosensitizers to enhance X-ray radiation therapy, but a major roadblock in translating nanoparticle radiosensitizers into clinical practice of cancer treatment is related to the non-degradable nature of the nanoparticles, which can cause accumulation inside body and long-term toxicity. This paper reports the use of a folate-inserted, red blood cell membrane-modified bismuth (i.e., F-RBC bismuth) nanoparticles in X-ray radiation therapy for breast cancer, where cell membrane coating provides long blood circulation time, folate acts as tumor targeting agent, X-ray and bismuth nanoparticles interaction generates more free radicals for cancer cells damage, and physiological condition helps dissolve bismuth nanoparticles after treatment...
October 30, 2017: Biomaterials
https://www.readbyqxmd.com/read/29119856/radiological-properties-of-healthy-carcinoma-and-equivalent-breast-tissues-for-photon-and-charged-particle-interactions
#14
M Büyükyıldız, M Kurudirek
PURPOSE: In this paper, the effective atomic numbers (Zeff), electron densities (Neff), exposure buildup factor (EBF) and energy absorption buildup factor (EABF) of healthy (H), carcinoma (C) and equivalent (E) breast tissues were investigated to quantify differences in radiological parameters between the tissues in the continuous energy region. For these purposes, Zeffs and Neffs, of healthy, carcinoma and equivalent (H-C-E) breast tissues were calculated for interaction of gamma rays and charged particles with selected tissues...
November 9, 2017: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/29116313/solitary-pancreatic-metastasis-from-breast-cancer-case-report-and-review-of-literature
#15
Márcio Apodaca-Rueda, Fábio Henrique Mendonça Chaim, Milena da Silva Garcia, Helena Paes de Almeida de Saito, Martinho Antonio Gestic, Murillo Pimentel Utrini, Francisco Callejas-Neto, Elinton Adami Chaim, Everton Cazzo
ABSTRACT: HASH(0x38bcce8) CONTEXT: Pancreatic metastases from primary malignant tumors at other sites are rare, constituting about 2% of the neoplasms that affect the pancreas. Pancreatic metastasis from breast cancer is extremely rare and difficult to diagnose, because its clinical and radiological presentation is similar to that of a primary pancreatic tumor. CASE REPORT: A 64-year-old female developed a lesion in the pancreatic tail 24 months after neoadjuvant therapy, surgery and adjuvant radiation therapy for right-side breast cancer (ductal carcinoma)...
November 6, 2017: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/29116237/advantages-of-a-technique-using-two-50-degree-arcs-in-simultaneous-integrated-boost-radiotherapy-for-left-sidebreast-cancer
#16
Dan Xi, Yun Ding, Rui Hu, Wendong Gu, Jinming Mu, Qilin Li
This study evaluated radiotherapy techniques with 15 cases for simultaneous integrated boost to treat whole left breast and tumor bed following breast conserving surgery. Treatment plans were generated using three techniques: volumetric modulated arc therapy (VMAT) with a partial arc of 190° (1ARC), VMAT with two tangential mini-arcs of 50° each (2TARC) and intensity modulated radiation therapy with four fixed angle fields (4IMRT). Dosimetric parameters for the whole breast (Target), the boost tumor bed (Boost), and surrounding normal organs were compared...
November 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29115608/microrna%C3%A2-27a-promotes-tumorigenesis-via-targeting-akt-in-triple-negative-breast-cancer
#17
Jing Wu, Zhihui Sun, Huijie Sun, Yanhua Li
Altered microRNA (miRNA/miR) expression regulates tumor development and progression in triple‑negative breast cancer (TNBC). The present study examined the effect of miR‑27a on proliferation, migration and invasion of TNBC cells in vitro and in vivo. An MTT assay was performed to examine the proliferation of MDA‑MB‑231 and MDA‑MB‑468 breast cancer cells with either overexpression of miR‑27a or downregulation of miR‑27a, in the presence or absence of radiation. The migratory and invasive abilities of MDA‑MB‑231 and MDA‑MB‑468 breast cancer cells were assessed by Transwell migration and Matrigel invasion assays...
October 26, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29115478/torin2-enhances-the-radiosensitivity-of-mcf%C3%A2-7-breast-cancer-cells-by-downregulating-the-mtor-signaling-pathway-and-atm-phosphorylation
#18
Jia Luo, Guocheng Pi, He Xiao, Yunfei Ye, Qing Li, Lianhua Zhao, Huan Huang, Hong Luo, Qin Zhang, Dong Wang, Ge Wang
Radiotherapy has an important role in the comprehensive treatment of breast cancer. However, the clinical outcome of adjuvant radiotherapy may be limited due to intrinsic radioresistance, it is necessary to explore efficient radiosensitization methods that improve the clinical outcome of patients undergoing radiotherapy. The present study aimed to investigate whether the novel mechanistic target of rapamycin (mTOR) inhibitor Torin2 enhances the radiosensitivity of MCF‑7 breast cancer cells. A Cell Counting Kit‑8 (CCK‑8) assay was performed to measure the effect of Torin2 on cell proliferation, while clonogenic assays were employed to determine the effect of Torin2 in combination with radiation on the proliferation of MCF‑7 cells...
October 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29114617/two-and-a-half-year-clinical-experience-with-the-world-s-first-magnetic-resonance-image-guided-radiation-therapy-system
#19
Benjamin W Fischer-Valuck, Lauren Henke, Olga Green, Rojano Kashani, Sahaja Acharya, Jeffrey D Bradley, Clifford G Robinson, Maria Thomas, Imran Zoberi, Wade Thorstad, Hiram Gay, Jiayi Huang, Michael Roach, Vivian Rodriguez, Lakshmi Santanam, Harold Li, Hua Li, Jessika Contreras, Thomas Mazur, Dennis Hallahan, Jeffrey R Olsen, Parag Parikh, Sasa Mutic, Jeff Michalski
Purpose: Magnetic resonance image guided radiation therapy (MR-IGRT) has been used at our institution since 2014. We report on more than 2 years of clinical experience in treating patients with the world's first MR-IGRT system. Methods and materials: A clinical service was opened for MR-IGRT in January 2014 with an MR-IGRT system consisting of a split 0.35T magnetic resonance scanner that straddles a ring gantry with 3 multileaf collimator-equipped (60)Co heads...
July 2017: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/29114607/the-impact-of-different-stereotactic-radiation-therapy-regimens-for-brain-metastases-on-local-control-and-toxicity
#20
Rachel B Jimenez, Brian M Alexander, Anand Mahadevan, Andrzej Niemierko, Selvan Rajakesari, Nils D Arvold, Scott R Floyd, Kevin S Oh, Jay S Loeffler, Helen A Shih
Purpose: Stereotactic radiation therapy (SRT) enables focused, short course, high dose per fraction radiation delivery to brain tumors that are less ideal for single fraction treatment because of size, shape, or close proximity to sensitive structures. We sought to identify optimal SRT treatment regimens for maximizing local control while minimizing morbidity. Methods and materials: We performed a retrospective review of patients treated with SRT for solid brain metastases using variable dose schedules between 2001 and 2011 at 3 academic hospitals...
July 2017: Advances in Radiation Oncology
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