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https://www.readbyqxmd.com/read/28816144/comparison-of-treatment-outcome-between-invasive-lobular-and-ductal-carcinomas-in-patients-receiving-partial-breast-irradiation-with-intraoperative-electrons
#1
Maria Cristina Leonardi, Patrick Maisonneuve, Mauro Giuseppe Mastropasqua, Federica Cattani, Giuseppe Fanetti, Anna Morra, Roberta Lazzari, Federica Bazzani, Mariangela Caputo, Nicole Rotmensz, Marianna Alessandra Gerardi, Rosalinda Ricotti, Viviana Enrica Galimberti, Paolo Veronesi, Samantha Dicuonzo, Giuseppe Viale, Barbara Alicja Jereczek-Fossa, Roberto Orecchia
PURPOSE: To investigate the local outcome of patients after accelerated partial breast irradiation with intraoperative electrons (IORT) for invasive lobular carcinoma (ILC) compared with invasive ductal carcinoma (IDC). METHODS AND MATERIALS: From 1999 to 2007, 2173 patients were treated with breast-conserving surgery and IORT (21 Gy/1 fraction) as the sole local treatment: 252 patients with ILC (11.6%) were compared with 1921 patients with IDC in terms of local control...
September 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28814882/the-effect-of-lipiodol-deposition-in-hcc-after-tace-on-the-necrosis-range-of-pmct
#2
HongLiang Sun, JiaYan Ni, XiongYing Jiang, Dong Chen, YaoTing Chen, LinFeng Xu
OBJECTIVE: To study the impact of lipiodol deposition in the lesion of hepatocellular carcinoma (HCC) after transarterial chemoembolization (TACE) on the necrosis area of percutaneous microwave coagulation therapy (PMCT). MATERIALS AND METHODS: A total of 44 patients with HCC with 56 nodules, with a size ranging from 1.5 to 3.5 cm, was selected in our study. About 23 patients (26 nodules) underwent PMCT treatment only as Group A and 21 patients (30 nodules) were treated by PMCT-combined TACE as Group B...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28814862/polyethylenimine-based-micro-nanoparticles-as-vaccine-adjuvants
#3
REVIEW
Chen Shen, Jun Li, Yi Zhang, Yuce Li, Guanxin Shen, Jintao Zhu, Juan Tao
Vaccines have shown great success in treating and preventing tumors and infections, while adjuvants are always demanded to ensure potent immune responses. Polyethylenimine (PEI), as one of the well-studied cationic polymers, has been used as a transfection reagent for decades. However, increasing evidence has shown that PEI-based particles are also capable of acting as adjuvants. In this paper, we briefly review the physicochemical properties and the broad applications of PEI in different fields, and elaborate on the intracellular processes of PEI-based vaccines...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28808692/treating-nicotine-dependence-and-preventing-smoking-relapse-in-cancer-patients
#4
Eun Hae Estelle Chang, Andrew Braith, Brian Hitsman, Robert A Schnoll
INTRODUCTION: Despite the well-documented harmful effects of smoking, many cancer patients continue to smoke. Smoking cessation is critical to address in this population given the associated increase in treatment toxicity, risk of second primary tumors, decrease in treatment response and higher disease-specific and all-cause mortality with continued smoking following a cancer diagnosis. This review seeks to summarize the latest recommendations and guidelines on smoking cessation treatment for patients diagnosed with cancer, and the evidence behind those recommendations...
2017: Expert Review of Quality of Life in Cancer Care
https://www.readbyqxmd.com/read/28808212/recent-advances-in-arsenic-trioxide-encapsulated-nanoparticles-as-drug-delivery-agents-to-solid-cancers
#5
Anam Akhtar, Scarlet Xiaoyan Wang, Lucy Ghali, Celia Bell, Xuesong Wen
Since arsenic trioxide was first approved as the front line therapy for acute promyelocytic leukemia 25 years ago, its anti-cancer properties for various malignancies have been under intense investigation. However, the clinical successes of arsenic trioxide in treating hematological cancers have not been translated to solid cancers. This is due to arsenic's rapid clearance by the body's immune system before reaching the tumor site. Several attempts have henceforth been made to increase its bioavailability toward solid cancers without increasing its dosage albeit without much success...
January 19, 2017: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28807441/whole-body-dose-and-energy-measurements-in-radiotherapy-by-a-combination-of-lif-mg-cu-p-and-lif-mg-ti
#6
Pascal Hauri, Uwe Schneider
PURPOSE: Long-term survivors of cancer who were treated with radiotherapy are at risk of a radiation-induced tumor. Hence, it is important to model the out-of-field dose resulting from a cancer treatment. These models have to be verified with measurements, due to the small size, the high sensitivity to ionizing radiation and the tissue-equivalent composition, LiF thermoluminescence dosimeters (TLD) are well-suited for out-of-field dose measurements. However, the photon energy variation of the stray dose leads to systematic dose errors caused by the variation in response with radiation energy of the TLDs...
August 11, 2017: Zeitschrift Für Medizinische Physik
https://www.readbyqxmd.com/read/28800740/neurocognitive-sparing-of-desktop-microbeam-irradiation
#7
Soha Bazyar, Christina R Inscoe, Thad Benefield, Lei Zhang, Jianping Lu, Otto Zhou, Yueh Z Lee
BACKGROUND: Normal tissue toxicity is the dose-limiting side effect of radiotherapy. Spatial fractionation irradiation techniques, like microbeam radiotherapy (MRT), have shown promising results in sparing the normal brain tissue. Most MRT studies have been conducted at synchrotron facilities. With the aim to make this promising treatment more available, we have built the first desktop image-guided MRT device based on carbon nanotube x-ray technology. In the current study, our purpose was to evaluate the effects of MRT on the rodent normal brain tissue using our device and compare it with the effect of the integrated equivalent homogenous dose...
August 11, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28794640/volumetric-modulated-arc-therapy-for-treatment-of-solid-tumors-current-insights
#8
REVIEW
Gabriella Macchia, Francesco Deodato, Savino Cilla, Silvia Cammelli, Alessandra Guido, Martina Ferioli, Giambattista Siepe, Vincenzo Valentini, Alessio Giuseppe Morganti, Gabriella Ferrandina
AIM: This article discusses the current use of volumetric modulated arc therapy (VMAT) techniques in clinical practice and reviews the available data from clinical outcome studies in different clinical settings. An overview of available literature about clinical outcomes with VMAT stereotactic/radiosurgical treatment is also reported. MATERIALS AND METHODS: All published manuscripts reporting the use of VMAT in a clinical setting from 2009 to November 2016 were identified...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28791194/a-case-report-of-surgical-management-of-hemangiopericytoma-at-the-foramen-magnum
#9
Nobuhiko Arai, Satoshi Takahashi, Hatano Mami, Yukina Tokuda, Kazunari Yoshida
BACKGROUND: Hemangiopericytoma (HPC) is a highly vascularized mesenchymal tumor known for its high rates of recurrence and metastasis. The extent of tumor removal is known to be the most trustful prognostic factor. Skull base HPCs are challenging to treat because of the difficulty of the surgical approach and proximity to vital vascular and neuronal structures. We successfully treated a case of HPC at the ventral foramen magnum through surgical gross tumor removal via a far-lateral transcondylar approach...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28780932/cancer-nanomedicine-lessons-for-immuno-oncology
#10
REVIEW
Shiladitya Sengupta
Cancer nanotechnology and cancer immunotherapy are two parallel themes that have emerged over the last few decades in the search for a cure for cancer. Exciting applications can emerge at the intersection of these two fields. However, it is important to learn from the past successes and failures of cancer nanomedicines for its future applications in cancer immunotherapy. This review discusses the two key parameters that defined clinical success in the case of cancer nanomedicines: (i) physicochemical design principles, and (ii) clinical trial design, which are frequently overlooked in most analyses of the state of the field...
August 2017: Trends in Cancer
https://www.readbyqxmd.com/read/28778024/a-combination-of-radiation-and-the-hypoxia-activated-prodrug-evofosfamide-th-302-is-efficacious-against-a-human-orthotopic-pancreatic-tumor-model
#11
Carla Hajj, James Russell, Charles P Hart, Karyn A Goodman, Maeve A Lowery, Adriana Haimovitz-Friedman, Joseph O Deasy, John L Humm
This study was designed to investigate the effect of single-dose radiation therapy (RT) in combination with evofosfamide (TH-302), a hypoxia-activated prodrug, in a pre-clinical model of pancreatic cancer. AsPC1 tumors were implanted orthotopically in the pancreas of nude mice. Tumors were treated with 15 Gy of RT, using a 1 cm diameter field, and delivered as a continuous arc. Image-guidance to center the field on the tumor was based on CT imaging with intraperitoneal contrast. Evofosfamide (100 mg/kg, i.p...
July 21, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28774062/targeted-magnetic-nanoparticles-for-mechanical-lysis-of-tumor-cells-by-low-amplitude-alternating-magnetic-field
#12
Adi Vegerhof, Eran A Barnoy, Menachem Motiei, Dror Malka, Yossef Danan, Zeev Zalevsky, Rachela Popovtzer
Currently available cancer therapies can cause damage to healthy tissue. We developed a unique method for specific mechanical lysis of cancer cells using superparamagnetic iron oxide nanoparticle rotation under a weak alternating magnetic field. Iron oxide core nanoparticles were coated with cetuximab, an anti-epidermal growth factor receptor antibody, for specific tumor targeting. Nude mice bearing a head and neck tumor were treated with cetuximab-coated magnetic nanoparticles (MNPs) and then received a 30 min treatment with a weak external alternating magnetic field (4 Hz) applied on alternating days (total of seven treatments, over 14 days)...
November 22, 2016: Materials
https://www.readbyqxmd.com/read/28771444/radiotherapy-for-t3n0-glottic-carcinoma-without-cord-fixation-elective-nodal-irradiation-or-not
#13
Ryo Toya, Ryuji Murakami, Daizo Murakami, Tetsuo Saito, Tomohiko Matsuyama, Yutaka Toya, Yasuyuki Yamashita, Natsuo Oya
BACKGROUND: Although the T3 category has been changed in the sixth edition of the TNM staging system proposed by the Union for International Cancer Control (UICC), the appropriate clinical target volume (CTV) of elective nodal irradiation (ENI) for T3N0 glottic carcinoma without cord fixation, which was formerly treated as a T1-2N0 disease, is not fully discussed. MATERIALS AND METHODS: We retrospectively analyzed 64 patients staged or restaged as T3N0 disease without cord fixation...
July 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28766211/intraoperative-radiation-using-low-kilovoltage-x-rays-for-early-breast-cancer-a-single-site-trial
#14
Melvin J Silverstein, Melinda S Epstein, Kevin Lin, Peter Chen, Sadia Khan, Lincoln Snyder, Lisa E Guerra, Cristina De Leon, Ralph Mackintosh, Colleen Coleman, January Lopez, Brian Kim
INTRODUCTION: Two prospective, randomized trials, TARGIT-A and ELIOT, have shown intraoperative radiation therapy (IORT) to be a safe alternative to whole breast radiation therapy following breast-conserving surgery for selected low-risk patients. However, minimal data are available about the clinical effectiveness of this modality of treatment using the Xoft(®) Axxent(®) Electronic Brachytherapy (eBx(®)) System(®). METHODS: A total of 201 patients with 204 early-stage breast cancers were enrolled in a prospective X-ray IORT trial from June 2010 to September 2013...
August 1, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28765323/tumor-treating-fields-a-fourth-modality-in-cancer-treatment
#15
Elijah J Mun, Hani M Babiker, Uri Weinberg, Eilon D Kirson, Daniel D Von Hoff
Despite major advances in therapy, cancer continues to be a leading cause of mortality. Additionally, toxicities of traditional therapies pose a significant challenge to tolerability and adherence. TTFields, a noninvasive anticancer treatment modality, utilizes alternating electric fields at specific frequencies and intensities to selectively disrupt mitosis in cancerous cells. TTFields target proteins crucial to the cell cycle, leading to mitotic arrest and apoptosis. TTFields also facilitate an antitumor immune response...
August 1, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28761390/intensity-modulated-radiation-therapy-for-small-cell-carcinoma-of-the-prostate-a-case-report
#16
Yaichiro Hashimoto, Yuka Ishii, Sawa Kono, Sachiko Izumi, Junpei Iizuka, Atsuko Hiroi, Kumiko Karasawa
Small cell carcinomas (SCC) make up only 1% of malignancies of the prostate. Reports of several case series have described outcomes of surgery and chemotherapy for SCC of the prostate, but few reports address radiotherapy. We treated a case of SCC of the prostate with intensity-modulated radiation therapy (IMRT) consisting of 70 Gy administered in 35 fractions followed by hormonal therapy using only luteinizing hormone-releasing hormone (LH-RH) agonist. The tumor volume decreased remarkably by 4 months after IMRT...
September 2017: Reports of Practical Oncology and Radiotherapy
https://www.readbyqxmd.com/read/28753844/transcriptome-wide-analysis-of-magnetic-resonance-imaging-targeted-biopsy-and-matching-surgical-specimens-from-high-risk-prostate-cancer-patients-treated-with-radical-prostatectomy-the-target-must-be-hit
#17
Jan Philipp Radtke, Mandeep Takhar, David Bonekamp, Claudia Kesch, Nicholas Erho, Marguerite du Plessis, Christine Buerki, Kaye Ong, Elai Davicioni, Markus Hohenfellner, Boris A Hadaschik
BACKGROUND: The most suspicious lesions on multiparametric magnetic resonance imaging (MRI) may be representative of final pathology. OBJECTIVE: We connect imaging with high-precision spatial annotation of biopsies and genomic cancer signatures to compare the genomic signals of the index lesion and biopsy cores of adjacent and far away locations. DESIGN, SETTING, AND PARTICIPANTS: Eleven patients diagnosed with high-risk prostate cancer on MRI/transrectal ultrasound-fusion biopsy (Bx) and treated with radical prostatectomy (RP)...
January 26, 2017: European Urology Focus
https://www.readbyqxmd.com/read/28746857/enhancing-irreversible-electroporation-by-manipulating-cellular-biophysics-with-a-molecular-adjuvant
#18
Jill W Ivey, Eduardo L Latouche, Megan L Richards, Glenn J Lesser, Waldemar Debinski, Rafael V Davalos, Scott S Verbridge
Pulsed electric fields applied to cells have been used as an invaluable research tool to enhance delivery of genes or other intracellular cargo, as well as for tumor treatment via electrochemotherapy or tissue ablation. These processes involve the buildup of charge across the cell membrane, with subsequent alteration of transmembrane potential that is a function of cell biophysics and geometry. For traditional electroporation parameters, larger cells experience a greater degree of membrane potential alteration...
July 25, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28745610/clinically-non-functioning-pituitary-adenomas-pathogenic-diagnostic-and-therapeutic-aspects
#19
Moises Mercado, Virgilio Melgar, Latife Salame, Dalia Cuenca
Clinically non-functioning pituitary adenomas (NFPAs) are among the most common tumors in the sellar region. These lesions do not cause a hormonal hypersecretion syndrome, and are therefore found incidentally (particularly microadenomas) or diagnosed based on compressive symptoms such as headache and visual field defects, as well as clinical signs of pituitary hormone deficiencies. Immunohistochemically, more than 45% of these adenomas stain for gonadotropins or their subunits and are therefore called gonadotropinomas, while 30% of them show no immunostaining for any hormone and are known as null cell adenomas...
August 2017: Endocrinología, diabetes y nutrición
https://www.readbyqxmd.com/read/28740929/preserving-the-legacy-of-reirradiation-a-narrative-review-of-historical-publications
#20
REVIEW
Carsten Nieder, Johannes A Langendijk, Matthias Guckenberger, Anca L Grosu
PURPOSE: The purpose of this study is to illustrate the historical development of reirradiation during several decades of the 20th century, in particular between 1920 and 1960. METHODS AND MATERIALS: We chose the format of a narrative review because the historical articles are heterogeneous. No systematic extraction of baseline data, treatment details, or follow-up care was possible in many cases. RESULTS: Both hematological malignancies and solid tumors were treated with a second course of radiation therapy, and indications included local relapse, regional nodal recurrence, and second primary tumors developing in a previously treated region...
April 2017: Advances in Radiation Oncology
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