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https://www.readbyqxmd.com/read/28927558/acute-leukemia-is-associated-with-cardiac-alterations-before-chemotherapy
#1
Bruna Morhy Borges Leal Assuncao, Mark D Handschumacher, Andrew M Brunner, Evin Yucel, Philipp E Bartko, Kai-Hung Cheng, Orlando Campos, Amir T Fathi, Timothy C Tan, Marielle Scherrer-Crosbie
BACKGROUND: Patients with acute leukemia (AL) have a higher rate of congestive heart failure than patients with other cancers. AL may predispose to cardiac dysfunction before chemotherapy because of high cytokine release or direct leukemic myocardial infiltration. The aims of this study were to evaluate whether AL is associated with abnormalities of myocardial structure and function before chemotherapy and to identify possible risk factors associated with these myocardial changes. METHODS: Using an echocardiographic database, 76 patients with AL and 76 patients without cancer matched for age, gender, hypertension, and the presence of diabetes were retrospectively selected...
September 15, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28916881/a-3d-mammometric-comparison-of-implant-based-breast-reconstruction-with-and-without-acellular-dermal-matrix-adm
#2
Cynthia Tsay, Victor Zhu, Tracy Sturrock, Ajul Shah, Stephanie Kwei
This retrospective study utilizes 3D imaging and mammometrics to compare implant-based breast reconstruction with and without the use of ADM. Previous studies have suggested improved aesthetic outcomes with the use of ADM, but none have been able to quantify this difference. Images were obtained at early and late time points following the expander-implant exchange procedure. Measurements included the point of maximum projection, the superior, inferior, medial and lateral volumetric distribution, and the distance from the point of maximum projection to the inframammary fold along the breast meridian...
September 15, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28914599/ductal-carcinoma-in-situ-quantitative-preoperative-breast-mr-imaging-features-associated-with-recurrence-after-treatment
#3
Jing Luo, Brian S Johnston, Averi E Kitsch, Daniel S Hippe, Larissa A Korde, Sara Javid, Janie M Lee, Sue Peacock, Constance D Lehman, Savannah C Partridge, Habib Rahbar
Purpose To investigate whether specific imaging features on breast magnetic resonance (MR) images are associated with ductal carcinoma in situ (DCIS) recurrence risk after definitive treatment. Materials and Methods Patients with DCIS who underwent preoperative dynamic contrast material-enhanced (DCE) MR imaging between 2004 and 2014 with ipsilateral recurrence more than 6 months after definitive surgical treatment were retrospectively identified. For each patient, a control subject with DCIS that did not recur was identified and matched on the basis of clinical, histopathologic, and treatment features known to affect recurrence risk...
September 14, 2017: Radiology
https://www.readbyqxmd.com/read/28895195/estimation-of-diep-flap-weight-for-breast-reconstruction-by-the-pinch-test
#4
Kyong-Je Woo, Goo-Hyun Mun
BACKGROUND: Various methods have been introduced for estimating deep inferior epigastric artery perforator (DIEP) flap volume based on computed tomography or magnetic resonance angiographic images. However, when radiologic images cannot be obtained, estimations are subjective. The purpose of this study was to develop a prediction model for estimating DIEP flap weight using the pinch test. METHODS: The pinch test was performed at three paraumbilical sites using a skin-fold caliper in 107 consecutive patients who underwent DIEP flap breast reconstruction...
September 12, 2017: Microsurgery
https://www.readbyqxmd.com/read/28890201/enhanced-anticancer-effect-and-reduced-toxicity-of-doxorubicin-in-combination-with-thymoquinone-released-from-poly-n-acetyl-glucosamine-nanomatrix-in-mice-bearing-solid-ehrlish-carcinoma
#5
Nahla E El-Ashmawy, Eman G Khedr, El-Zeiny M Ebeid, Mohamed L Salem, Abdel-Aziz A Zidan, Esraa M Mosalam
The incidence of breast cancer remarkably increases all over the world. Therefore, there is a great demand to introduce new approaches into cancer treatment field. The current study was designated to evaluate the role of doxorubicin (DOX) and/or thymoquinone (TQ) nanomatrix in potentiating the cytotoxicity of either drug, and to investigate the ability of TQ to reduce cardiotoxicity of DOX in solid Ehrlich carcinoma (SEC)-bearing mice. DOX and TQ were loaded into F2 gel, which is a fully-acetylated poly-N-acetyl glucosamine nanofiber...
September 7, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28890184/evaluation-of-the-tumor-response-after-neoadjuvant-chemotherapy-in-breast-cancer-patients-correlation-between-dynamic-contrast-enhanced-magnetic-resonance-imaging-and-pathologic-tumor-cellularity
#6
Woo Jung Choi, Won Kyung Kim, Hee Jung Shin, Joo Hee Cha, Eun Young Chae, Hak Hee Kim
BACKGROUND: We evaluated the tumor response after neoadjuvant chemotherapy (NAC) in breast cancer patients using dynamic contrast-enhanced (DCE) magnetic resonance (MR) imaging parameters assessed using a commercially available computer-aided system. We also analyzed their correlation with pathologic tumor cellularity. MATERIALS AND METHODS: We retrospectively reviewed the data from 130 patients with breast cancer who had undergone NAC followed by surgery from January to October 2013...
August 18, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28887761/textural-features-and-suv-based-variables-assessed-by-dual-time-point-18f-fdg-pet-ct-in-locally-advanced-breast-cancer
#7
Ana María Garcia-Vicente, David Molina, Julián Pérez-Beteta, Mariano Amo-Salas, Alicia Martínez-González, Gloria Bueno, María Jesús Tello-Galán, Ángel Soriano-Castrejón
AIM: To study the influence of dual time point 18F-FDG PET/CT in textural features and SUV-based variables and their relation among them. METHODS: Fifty-six patients with locally advanced breast cancer (LABC) were prospectively included. All of them underwent a standard 18F-FDG PET/CT (PET-1) and a delayed acquisition (PET-2). After segmentation, SUV variables (SUVmax, SUVmean, and SUVpeak), metabolic tumor volume (MTV), and total lesion glycolysis (TLG) were obtained...
September 8, 2017: Annals of Nuclear Medicine
https://www.readbyqxmd.com/read/28883025/do-air-gaps-behind-soft-body-armour-affect-protection
#8
Lee Tilsley, D J Carr, C Lankester, C Malbon
INTRODUCTION: Body armour typically comprises a fabric garment covering the torso combined with hard armour (ceramic/composite). Some users wear only soft armour which provides protection from sharp weapons and pistol ammunition. It is usually recommended that body armour is worn against the body with no air-gaps being present between the wearer and the armour. However, air-gaps can occur in certain situations such as females around the breasts, in badly fitting armour and where manufacturers have incorporated an air-gap claiming improvements in thermophysiological burden...
September 6, 2017: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/28874308/accuracy-and-reproducibility-of-a-newly-developed-tool-for-volume-measurements-of-the-arm-using-3d-stereophotogrammetry
#9
A C Verhulst, T S Wesselius, H H Glas, R D Vreeken, D J O Ulrich, T J J Maal
BACKGROUND: Lymph edema of the arm is a common complication after breast cancer treatment. To evaluate lymph edema volume and treatment outcome, an easy to use, objective quantification method of arm volume is necessary. Most often, water displacement is used to measure arm volume, as it is an easy and robust method that can be performed at any place with a simple equipment. However, when using water displacement, no exact localization of volume difference can be seen. To accurately measure hand and forearm volumes separately, an in-house-developed device was constructed for an accurate landmark placement...
August 5, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28872682/%C3%AE-2-himachalen-6-ol-protects-against-skin-cancer-development-in%C3%A2-vitro-and-in%C3%A2-vivo
#10
Hamid E Daaboul, Costantine F Daher, Robin I Taleb, Joelle Boulos, Kikki Bodman-Smith, Petra Boukamp, Wassim N Shebaby, Carol Dagher, Mirvat El-Sibai, Mohamad A Mroueh
BACKGROUND: Previous studies in our laboratory showed that Daucus carota oil extract (DCOE) possesses remarkable in-vitro anticancer activity and antitumour promoting effect against DMBA/TPA skin carcinogenesis in mice. Chemical analysis of DCOE led to the isolation of the β-2-himachalen-6-ol (HC), major sesquiterpene with a potent anticancer activity against various colon, breast, brain and skin cancer cells. This study investigated the anticancer activity of HC against invasive epidermal squamous cell carcinoma cells and evaluated its effect in a DMBA/TPA skin carcinogenesis Balb/c murine model...
September 5, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28862627/analysis-of-the-microvascular-morphology-and-hemodynamics-of-breast-cancer-in-mice-using-spring-8-synchrotron-radiation-microangiography
#11
Masae Torii, Toshifumi Fukui, Masashi Inoue, Shotaro Kanao, Keiji Umetani, Mikiyasu Shirai, Tadakatsu Inagaki, Hirotsugu Tsuchimochi, James T Pearson, Masakazu Toi
Tumor vasculature is characterized by morphological and functional abnormalities. However, analysis of the dynamics in blood flow is still challenging because of limited spatial and temporal resolution. Synchrotron radiation (SR) microangiography above the K-edge of the iodine contrast agent can provide high-contrast imaging of microvessels in time orders of milliseconds. In this study, mice bearing the human breast cancer cell lines MDAMB231 and NOTCH4 overexpression in MDAMB231 (MDAMB231(NOTCH4+)) and normal mice were assessed using SR microangiography...
September 1, 2017: Journal of Synchrotron Radiation
https://www.readbyqxmd.com/read/28854826/high-intensity-focused-ultrasound-in-the-treatment-of-breast-fibroadenomata-hifu-f-trial
#12
McL Peek, M Ahmed, J Scudder, R Baker, P Charalampoudis, S E Pinder, M Douek
Abstact Background: High intensity focused ultrasound (HIFU) is a non-invasive ablative technique utilising the application of high frequency ultrasound (US) pressure waves to cause tissue necrosis. This emerging technology is currently limited by prolonged treatment times. The aim of the HIFU-F trial was to perform circumferential HIFU treatment as a means of shortening treatment times. METHODS: A prospective trial was set up to treat 50 consecutive patients ≥18 years of age. Eligible patients possessed symptomatic fibroadenomata, visible on US...
August 30, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28830497/combining-quantitative-and-qualitative-breast-density-measures-to-assess-breast-cancer-risk
#13
Karla Kerlikowske, Lin Ma, Christopher G Scott, Amir P Mahmoudzadeh, Matthew R Jensen, Brian L Sprague, Louise M Henderson, V Shane Pankratz, Steven R Cummings, Diana L Miglioretti, Celine M Vachon, John A Shepherd
BACKGROUND: Accurately identifying women with dense breasts (Breast Imaging Reporting and Data System [BI-RADS] heterogeneously or extremely dense) who are at high breast cancer risk will facilitate discussions of supplemental imaging and primary prevention. We examined the independent contribution of dense breast volume and BI-RADS breast density to predict invasive breast cancer and whether dense breast volume combined with Breast Cancer Surveillance Consortium (BCSC) risk model factors (age, race/ethnicity, family history of breast cancer, history of breast biopsy, and BI-RADS breast density) improves identifying women with dense breasts at high breast cancer risk...
August 22, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28822666/reliability-of-left-ventricular-ejection-fraction-from-three-dimensional-echocardiography-for-cardiotoxicity-onset-detection-in-patients-with-breast-cancer
#14
Cinzia Lorenzini, Claudio Lamberti, Michele Aquilina, Andrea Rocca, Pietro Cortesi, Cristiana Corsi
BACKGROUND: Cardiotoxicity is a well-known adverse effect of various chemotherapeutic agents that can be monitored by echocardiography. A decrease in left ventricular ejection fraction (LVEF) triggers consideration for therapy modification or interruption. The aim of this study was to evaluate how variability in LVEF estimates computed using three-dimensional echocardiography could influence cardiotoxicity onset detection. METHODS: One hundred eighty one patients with breast cancer treated with anthracycline and trastuzumab were analyzed...
August 16, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28821292/the-relationship-between-obesity-and-body-compositions-with-respect-to-the-timing-of-puberty-in-chongqing-adolescents-a-cross-sectional-study
#15
Fang He, Peiyu Guan, Qin Liu, Donna Crabtree, Linli Peng, Hong Wang
BACKGROUND: It is well known that excess adiposity during childhood may influence pubertal development. However, the extent to which body compositions vary in throughout puberty in boys and girls is currently unknown. The aim of this study was to investigate whether obesity and body compositions correlate with the timing of puberty in boys and girls. METHODS: By random cluster sampling, our study analyzed data from 1472 students (690 girls, 782 boys) aged 6-17 years from two schools in the Chongqing area...
August 18, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28818762/reflector-guided-breast-tumor-localization-versus-wire-localization-for-lumpectomies-a-comparison-of-surgical-outcomes
#16
Sejal N Patel, Victoria L Mango, Priya Jadeja, Lauren Friedlander, Elise Desperito, Ralph Wynn, Sheldon Feldman, Richard Ha
PURPOSE: To compare surgical outcomes of SAVI SCOUT reflector localization (SSL) versus wire localization (WL) for breast tumors. METHODS: Retrospective review of 42 SSL cases and 42 WL cases. WL patients were consecutively matched for clinical-pathologic features. Final surgical outcome measures were tumor specimen volume, margin status, and re-excision rates. RESULTS: No significant differences were present in median specimen volumes (SSL-15...
August 1, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28810530/caspase-dependent-and-caspase-independent-induction-of-apoptosis-in-breast-cancer-by-fucoidan-via-the-pi3k-akt-gsk3%C3%AE-pathway-in-vivo-and-in-vitro
#17
Meilan Xue, Xinqiang Ji, Chuanxing Xue, Hui Liang, Yinlin Ge, Xinjia He, Li Zhang, Kang Bian, Lichen Zhang
Purpose Fucoidan, a complex, sulfated polysaccharide obtained from brown seaweed, exerted anticancer activity through the down-regulation of β-catenin signaling in mouse breast cancer cells in our previous study. This study examines the anti-cancer effects of fucoidan as well as its underlying molecular mechanisms in the human triple negative breast cancer (TNBC) cell line and in 7,12-dimethylbenz[a]anthracene (DMBA)-induced experimental mammary carcinogenesis in rats. Methods in vitro studies, fluorescent staining, flow cytometry and Western blotting were performed to analyze apoptosis and protein expression in human breast cancer MDA-MB-231 cells...
October 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28806782/the-use-of-18f-fluoro-deoxy-glucose-positron-emission-tomography-18f-fdg-pet-as-a-non-invasive-pharmacodynamic-biomarker-to-determine-the-minimally-pharmacologically-active-dose-of-azd8835-a-novel-pi3k%C3%AE-inhibitor
#18
Juliana Maynard, Sally-Ann Emmas, Francois-Xavier Ble, Herve Barjat, Emily Lawrie, Urs Hancox, Urszula M Polanska, Alison Pritchard, Kevin Hudson
BACKGROUND: The phosphatidyl inositol 3 kinase (PI3K), AKT and mammalian target of rapamycin (mTOR) signal transduction pathway is frequently de-regulated and activated in human cancer and is an important therapeutic target. AZD8835 is a PI3K inhibitor, with selectivity against PI3K α and δ isoforms, which is currently in Phase 1 clinical trials. 18F-Fluoro-deoxy-glucose positron emission tomography (18F-FDG PET) is a non-invasive pharmacodynamic imaging biomarker that has become an integral part of drug development...
2017: PloS One
https://www.readbyqxmd.com/read/28797867/preventing-early-postoperative-arm-swelling-and-lymphedema-manifestation-by-compression-sleeves-after-axillary-lymph-node-interventions-in-breast-cancer-patients-a-randomized-controlled-trial
#19
Katarzyna Ochalek, Tomasz Gradalski, Hugo Partsch
CONTEXT: Breast cancer related lymphedema (BCRL) remains one of the major long-term complications after surgery. Many reports showed the effectiveness of compression in BCRL treatment but randomized controlled trials evaluating compression garments for postoperative prevention are lacking. OBJECTIVES: The aim of the study was to evaluate the potential role of light arm compression sleeves for reducing the incidence of early postoperative swelling and of breast cancer related arm lymphedema...
August 7, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28780840/-diagnostic-value-of-quantitative-pharmacokinetic-parameters-and-relative-quantitative-pharmacokinetic-parameters-in-breast-lesions-with-dynamic-contrast-enhanced-mri
#20
T T Sun, W H Liu, Y Q Zhang, L H Li, R Wang, Y Y Ye
Objective: To explore the differential between the value of dynamic contrast-enhanced MRI quantitative pharmacokinetic parameters and relative pharmacokinetic quantitative parameters in breast lesions. Methods: Retrospective analysis of 255 patients(262 breast lesions) who was obtained by clinical palpation , ultrasound or full-field digital mammography , and then all lessions were pathologically confirmed in Zhongda Hospital, Southeast University from May 2012 to May 2016. A 3.0 T MRI scanner was used to obtain the quantitative MR pharmacokinetic parameters: volume transfer constant (K(trans)), exchange rate constant (k(ep))and extravascular extracellular volume fraction (V(e))...
August 1, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
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