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https://www.readbyqxmd.com/read/29159778/risk-of-leptomeningeal-carcinomatosis-in-patients-with-brain-metastases-treated-with-stereotactic-radiosurgery
#1
Rosaline Ma, Morgan Levy, Bin Gui, Shou-En Lu, Venkat Narra, Sharad Goyal, Shabbar Danish, Simon Hanft, Atif J Khan, Jyoti Malhotra, Sabin Motwani, Salma K Jabbour
There is limited available literature examining factors that predispose patients to the development of LMC after stereotactic radiosurgery (SRS) for brain metastases. We sought to evaluate risk factors that may predispose patients to LMC after SRS treatment in this case-control study of patients with brain metastases who underwent single-fraction SRS between 2011 and 2016. Demographic and clinical information were collected retrospectively for 19 LMC cases and 30 controls out of 413 screened patients with brain metastases...
November 20, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29158480/reversal-of-drug-resistance-by-noscapine-chemo-sensitization-in-docetaxel-resistant-triple-negative-breast-cancer
#2
Ravi Doddapaneni, Ketan Patel, Nusrat Chowdhury, Mandip Singh
Multidrug resistance (MDR) is a major impediment to cancer treatment. Here, for the first time, we investigated the chemo-sensitizing effect of Noscapine (Nos) at low concentrations in conjunction with docetaxel (DTX) to overcome drug resistance of triple negative breast cancer (TNBC). In vitro experiments showed that Nos significantly inhibited proliferation of TNBC wild type (p < 0.01) and drug resistant (p < 0.05) TNBC cells. Nos followed by DTX treatment notably increased the cell viability (~1...
November 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29158285/neoadjuvant-palbociclib-on-er-breast-cancer-n007-clinical-response-and-endopredict-value
#3
Louis Wc Chow, Satoshi Morita, Christopher Yc Chow, Wai Kuen Ng, Masakazu Toi
To test the efficacy of neoadjuvant palbociclib therapy and to evaluate its impact on cell cycle arrest and changes in EndoPredict (EP) scores before and after treatment. Postmenopausal women with histologically proven ER+ve, HER2-ve invasive breast cancer, 2cm or greater, were enrolled in an open-label, single arm study. Twenty eligible patients were given letrozole 2.5mg per day together with palbociclib 125mg per day for 3 out of 4 weeks in repeated cycles for 16 weeks (4 cycles) before surgery. The primary end-points were clinical response rates (cRR) and preoperative endocrine prognostic index (PEPI)...
November 20, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29156805/circulating-tumor-dna-shows-variable-clonal-response-of-breast-cancer-during-neoadjuvant-chemotherapy
#4
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/29150925/one-pot-synthesis-of-a-multi-template-molecularly-imprinted-polymer-for-the-extraction-of-six-sulfonamide-residues-from-milk-before-hplc-with-diode-array-detection
#5
Maria Kechagia, Victoria Samanidou, Abuzar Kabir, Kenneth G Furton
A highly selective molecularly imprinted polymer sorbent was synthesized and employed for the simultaneous determination of six sulfonamide antibiotic residues (sulfanilamide, sulfacetamide, sulfadiazine, sulfathiazole, sulfamerazine and sulfamethizole) in milk samples. Multi-analyte imprinted particles were used as sorbent in solid phase extraction. Sulfonamides were separated on a high-performance liquid chromatography column (Merck-Lichrospher RP18e, 5 μm 250 × 4 mm) and further identified and quantified by diode array detection...
November 18, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/29148579/a-step-by-step-review-on-patient-specific-biomechanical-finite-element-models-for-breast-mri-to-x-ray-mammography-registration
#6
REVIEW
Eloy García, Yago Diez, Oliver Diaz, Xavier Lladó, Robert Martí, Joan Martí, Arnau Oliver
Breast magnetic resonance imaging (MRI) and X-ray mammography are two image modalities widely used for the early detection and diagnosis of breast diseases in women. The combination of these modalities leads to a more accurate diagnosis and treatment of breast diseases. The aim of this paper is to review the registration between breast MRI and X-ray mammographic images using patient-specific finite element-based biomechanical models. Specifically, a biomechanical model is obtained from the patient's MRI volume and is subsequently used to mimic the mammographic acquisition...
November 17, 2017: Medical Physics
https://www.readbyqxmd.com/read/29147887/a-preliminary-prediction-model-for-potentially-guiding-patient-choices-between-breast-conserving-surgery-and-mastectomy-in-early-breast-cancer-patients-a-dutch-experience
#7
Elvira Vos, Linetta Koppert, Winnifred van Lankeren, Cornelis Verhoef, Bas Groot Koerkamp, Myriam Hunink
PURPOSE: To guide early stage breast cancer patients to choose between breast conserving surgery (BCS) and mastectomy (MST) considering the predicted cosmetic result and quality of life (QoL). METHODS: A decision model was built to compare QoL after BCS and MST. Treatment could result in BCS with good cosmesis, BCS with poor cosmesis, MST only, and MST with breast reconstruction. QoL for these treatment outcomes were obtained from a previous study and the literature and translated into EuroQoL-5D derived utilities...
November 17, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/29145250/consort-independent-prognostic-value-of-asphericity-of-pretherapeutic-f-18-fdg-uptake-by-primary-tumors-in-patients-with-breast-cancer
#8
Ji-Hoon Jung, Seung Hyun Son, Do-Hoon Kim, Jeeyeon Lee, Shin Young Jeong, Sang-Woo Lee, Ho Yong Park, Jaetae Lee, Byeong-Cheol Ahn
BACKGROUND: The aim of this study was to evaluate the prognostic implication of asphericity (ASP); spatial irregularity; of pretherapeutic F 2-deoxy-2-fluoro-D-glucose (F FDG) tumor uptake in patients with invasive ductal carcinoma (IDC) of the breast. METHODS: One hundred thirty-one female IDC patients (mean age = 48.1 ± 10.4 years), with pathological tumor size greater than 2 cm were retrospectively evaluated using F FDG positron emission tomography/computed tomography (PET/CT)...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29144393/growth-gastrointestinal-tolerance-and-stool-characteristics-of-healthy-term-infants-fed-an-infant-formula-containing-hydrolyzed-whey-protein-63-and-intact-casein-37-a-randomized-clinical-trial
#9
Shang-Ling Wu, Ding Ding, Ai-Ping Fang, Pei-Yan Chen, Si Chen, Li-Peng Jing, Yu-Ming Chen, Hui-Lian Zhu
To investigate whether healthy term infants, fed an infant formula containing hydrolyzed whey protein (HWP-F, hydrolyzed whey/intact casein =63/37), differ in growth, gastrointestinal tolerance and stool characteristics from those fed an infant formula containing intact whey protein (IWP-F, intact whey/intact casein =61/39) or breast milk. Healthy term infants, born within 14 days of the study's commencement, were randomly assigned to be fed IWP-F or HWP-F until 13 weeks of age, and breast-fed (BF) infants were enrolled as a reference group...
November 16, 2017: Nutrients
https://www.readbyqxmd.com/read/29143998/oxytocin-mediates-the-beneficial-effects-of-the-exercise-training-on-breast-cancer
#10
Ali Mohammad Alizadeh, Zahra Heydari, Mostafa Rahimi, Behzad Bazgir, Hossein Shirvani, Sadaf Alipour, Yassaman Heidarian, Solmaz Khalighfard, Amin Isanejad
Exercise training can affect the breast tumor growth. We hypothesized that exercise training may reduce breast tumor growth by inducing Oxytocin (OT) secretion and its related signaling pathways such as PI3K/AKT and ERK. Therefore fifty-six BALB/c mice were equally divided into seven groups to study the effects of OT and atosiban (an oxytocin receptor antagonist) together with the interval exercise training on breast tumor growth, as well as tumor related signaling pathways including PI3K/AKT and ERK. Animal weight, OT plasma level, tumor weight and volume measured at the end of study...
November 16, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/29142420/exploring-the-cytotoxic-potential-of-triterpenoids-enriched-fraction-of-bacopa-monnieri-by-implementing-in-vitro-in-vivo-and-in-silico-approaches
#11
Md Nasar Mallick, Washim Khan, Rabea Parveen, Sayeed Ahmad, Sadaf, Mohammad Zeeshan Najm, Istaq Ahmad, Syed Akhtar Husain
Background: Bacopa monnieri (BM) is a herbaceous plant traditionally used from time immemorial in Ayurvedic and folklore medicines. We hypothesized that the extract of the whole plant might contain numerous molecules with having antitumor activities that could be very effective in killing of human cancer cells. Objectives: This work investigated anticancer activity of bioactive fraction of BM. Materials and Methods: The hydroalcoholic extract of BM was fractionated with different solvent, namely, hexane, dichloromethane (DCM), acetone, methanol, and water...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29139592/single-dose-systemic-acetaminophen-to-improve-patient-reported-quality-of-recovery-after-ambulatory-segmental-mastectomy-a-prospective-randomized-double-blinded-placebo-controlled-clinical-trial
#12
Gildasio S De Oliveira, Meghan E Rodes, Jane Bialek, Mark C Kendall, Robert J McCarthy
Few systemic drug interventions are efficacious to improve patient reported quality of recovery after ambulatory surgery. We aimed to evaluate whether a single dose systemic acetaminophen improve quality of recovery in female patients undergoing ambulatory breast surgery. We hypothesized that patients receiving a single dose systemic acetaminophen at the end of the surgical procedure would have a better global quality of postsurgical recovery compared to the ones receiving saline. The study was a prospective randomized double blinded, placebo controlled, clinical trial...
November 15, 2017: Breast Journal
https://www.readbyqxmd.com/read/29139223/dosimetric-effects-of-intrafractional-isocenter-variation-during-deep-inspiration-breath-hold-for-breast-cancer-patients-using-surface-guided-radiotherapy
#13
Malin Kügele, Anneli Edvardsson, Lovisa Berg, Sara Alkner, Carina Andersson Ljus, Sofie Ceberg
The aim of this study was to investigate potential dose reductions to the heart, left anterior descending coronary artery (LAD), and ipsilateral lung for left-sided breast cancer using visually guided deep inspiration breath-hold (DIBH) with the optical surface scanning system Catalyst™, and how these potential dosimetric benefits are affected by intrafractional motion in between breath holds. For both DIBH and free breathing (FB), treatment plans were created for 20 tangential and 20 locoregional left-sided breast cancer patients...
November 15, 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/29137393/synergistic-effect-of-eribulin-and-cdk-inhibition-for-the-treatment-of-triple-negative-breast-cancer
#14
Shreyas S Rao, Jenna Stoehr, Danijela Dokic, Lei Wan, Joseph T Decker, Kristine Konopka, Alexandra L Thomas, Jia Wu, Virginia G Kaklamani, Lonnie D Shea, Jacqueline S Jeruss
Activation of CDK2 in triple negative breast cancer (TNBC) can contribute to non-canonical phosphorylation of a TGFβ signaling component, Smad3, promoting cell proliferation and migration. Inhibition of CDK2 was shown to decrease breast cancer oncogenesis. Eribulin chemotherapy was used effectively in the treatment of TNBC. To this end, we tested therapeutic efficacy of a novel CDK2/9 inhibitor, CYC065, eribulin, and the combination of CYC065 and eribulin in 3 different TNBC cell lines, and an in vivo xenograft model...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137072/volume-based-metabolic-parameter-of-breast-cancer-on-preoperative-18f-fdg-pet-ct-could-predict-axillary-lymph-node-metastasis
#15
Young-Sil An, Doo Kyoung Kang, Yongsik Jung, Tae Hee Kim
The purpose of our study was to evaluate the association between metabolic parameters on FDG PET/CT and axillary lymph node metastasis (ALNM) in patients with invasive breast cancer.From January 2012 to December 2012, we analyzed 173 patients with invasive ductal carcinoma (IDC) who underwent both initial breast magnetic resonance imaging (MRI) and F-fluorodeoxyglucose positron emission tomography/computed tomography (FDG PET/CT) examinations. All metabolic parameters were measured from the tumor volume segmented by a gradient-based method...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29135959/intratumoral-delivery-of-doxorubicin-on-folate-conjugated-graphene-oxide-by-in-situ-forming-thermo-sensitive-hydrogel-for-breast-cancer-therapy
#16
Yi Teng Fong, Chih-Hao Chen, Jyh-Ping Chen
By taking advantage of the pH-sensitive drug release property of graphene oxide (GO) after intracellular uptake, we prepared folic acid (FA)-conjugated GO (GOFA) for targeted delivery of the chemotherapeutic drug doxorubicin (DOX). GOFA-DOX was further encapsulated in an injectable in-situ forming thermo-sensitive hyaluronic acid-chitosan-g-poly(N-isopropylacrylamide) (HACPN) hydrogel for intratumoral delivery of DOX. As the degradation time of HACPN could be extended up to 3 weeks, intratumoral delivery of GOFA-DOX/HACPN could provide controlled and targeted delivery of DOX through slow degradation HACPN and subsequent cellular uptake of released GOFA-DOX by tumor cells through interactions of GOFA with folate receptors on the tumor cell's surface...
November 14, 2017: Nanomaterials
https://www.readbyqxmd.com/read/29135722/assessment-of-biological-and-clinical-aggressiveness-of-invasive-ductal-breast-cancer-using-baseline-18f-fdg-pet-ct-derived-volumetric-parameters
#17
Gul Ege Aktas, Ebru Taştekin, Ali Sarikaya
OBJECTIVE: The aim of this study was to evaluate the relationship of baseline fluorine-18-fluorodeoxyglucose PET/computed tomography (CT)-derived volumetric parameters for the primary tumor with clinicopathological risk factors and molecular subtypes in patients with invasive ductal breast carcinoma (IDBC). PATIENTS AND METHODS: We evaluated 65 patients who underwent fluorine-18-fluorodeoxyglucose PET/CT for initial breast cancer staging. The association of maximum and mean standardized uptake values (SUVmax and SUVmean, respectively), metabolic tumor volume, and total lesion glycolysis (TLG) with clinicopathological risk factors and molecular subtypes was investigated and the discriminative power of significant features was assessed...
November 10, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/29134565/prognostic-value-of-fdg-pet-and-dwi-in-breast-cancer
#18
Kazuhiro Kitajima, Yasuo Miyoshi, Toshiko Yamano, Soichi Odawara, Tomoko Higuchi, Koichiro Yamakado
OBJECTIVE: To investigate the prognostic value of preoperative FDG-PET/CT and diffusion weighted imaging (DWI) in patients with breast cancer. METHODS: A total of 73 patients with newly diagnosed invasive breast cancer who had undergone preoperative whole-body FDG-PET/CT and 3-Tesla breast MRI including DWI followed by surgery were identified. Effects of primary tumor PET parameters [maximum standardized uptake value (SUVmax), mean SUV (SUVmean), metabolic tumor volume (MTV), and total lesion glycolysis (TLG)] and DWI parameters [mean apparent diffusion coefficient (ADCmean) and minimum ADC (ADCmin)] including clinicopathologic factors on disease-free survival (DFS) were retrospectively evaluated using the log-rank and Cox methods...
November 13, 2017: Annals of Nuclear Medicine
https://www.readbyqxmd.com/read/29134542/influence-of-the-menstrual-cycle-on-compression-induced-pain-during-mammography-correlation-with-the-thickness-and-volume-of-the-mammary-gland
#19
Hitomi Kitaoka, Hiroko Kawashima
In mammography, breast compression is necessary and an important factor influencing image quality. The purpose of this study was to determine the influence of the menstrual cycle on compression-induced pain during mammography and to evaluate the association between the thickness and volume of the mammary gland and pain. We examined basal body temperature and categorized the menstrual cycle into five phases. We executed breast compression in the craniocaudal view using a customized compression plate, to which we introduced an opening...
November 13, 2017: Radiological Physics and Technology
https://www.readbyqxmd.com/read/29134472/real-time-wireless-tumor-tracking-during-breast-conserving-surgery
#20
Natasja Janssen, Roeland Eppenga, Marie-Jeanne Vrancken Peeters, Frederieke van Duijnhoven, Hester Oldenburg, Jos van der Hage, Emiel Rutgers, Jan-Jakob Sonke, Koert Kuhlmann, Theo Ruers, Jasper Nijkamp
PURPOSE: To evaluate a novel surgical navigation system for breast conserving surgery (BCS), based on real-time tumor tracking using the Calypso[Formula: see text] 4D Localization System (Varian Medical Systems Inc., USA). Navigation-guided breast conserving surgery (Nav-BCS) was compared to conventional iodine seed-guided BCS ([Formula: see text]I-BCS). METHODS: Two breast phantom types were produced, containing spherical and complex tumors in which wireless transponders (Nav-BCS) or a iodine seed ([Formula: see text]I-BCS) were implanted...
November 13, 2017: International Journal of Computer Assisted Radiology and Surgery
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