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https://www.readbyqxmd.com/read/28543071/differentiating-enhancing-multiple-sclerosis-lesions-glioblastoma-and-lymphoma-with-dynamic-texture-parameters-analysis-dtpa-a-feasibility-study
#1
Rajeev K Verma, Roland Wiest, C Locher, Mirjam R Heldner, Phillip Schucht, Andreas Raabe, Jan Gralla, Christian Philipp Kamm, Johannes Slotboom, Frauke Kellner-Weldon
PURPOSE: MR-imaging hallmarks of glioblastoma (GB), cerebral lymphoma (CL), and demyelinating lesions are gadolinium (Gd) uptake due to blood brain barrier disruption. Thus, initial diagnosis may be difficult based on conventional Gd enhanced MRI alone. Here, the added value of a dynamic texture parameter analysis (DTPA) in the differentiation between these three entities is examined. DTPA is an in-house software tool that incorporates the analysis of quantitative texture parameters extracted from dynamic susceptibility contrast enhanced (DSCE) images...
May 19, 2017: Medical Physics
https://www.readbyqxmd.com/read/28541571/childhood-adolescent-and-young-adult-cancer-incidence-in-japan-in-2009-2011
#2
Kota Katanoda, Akiko Shibata, Tomohiro Matsuda, Megumi Hori, Kayo Nakata, Yoshitaka Narita, Chitose Ogawa, Wataru Munakata, Akira Kawai, Hiroshi Nishimoto
Little is known about cancer incidence among children and youths in Japan. We aimed to describe cancer incidence in Japan focusing on childhood, adolescence and young adulthood (AYA). Cancer incidence data were obtained from the Monitoring of Cancer Incidence in Japan project. For the 2009-2011 incidence, the data were collected from 40 prefectures, of which data from 27 prefectures meeting quality standards were analyzed (population coverage: 38.6%). Cancers diagnosed in 0-39 years of age were classified according to the International Classification of Childhood Cancer (version 3)...
May 24, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28534373/late-relapse-of-hodgkin-s-lymphoma-is-it-different-in-clinical-characteristics-and-outcome
#3
Olivera Markovic, Bosko Andjelic, Olivera Tarabar, Milena Todorovic, Branka Filipovic, Dejana Stanisavljevic, Jelena Bila, Darko Antic, Dragomir Marisavljevic, Biljana Mihaljevic
PURPOSE: The purpose of this study was to evaluate the clinical characteristics, prognostic factors, therapy and outcomes of patients with very late relapse (>5 years) of Hodgkin's lymphoma (HL). METHODS: We retrospectively reviewed the database of all relapsed patients with HL treated between 1999 and 2009 and compared the clinical characteristics and survival of patients who relapsed before and after 5 years of follow up. RESULTS: Among the group of 102 patients with relapsed HL 16 (15...
March 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28529055/intraoperative-mapping-and-monitoring-of-the-pyramidal-tract-using-endoscopic-depth-electrodes
#4
Yukinori Akiyama, Shunya Ohtaki, Katsuya Komatsu, Kentaro Toyama, Rei Enatsu, Takeshi Mikami, Masahiko Wanibuchi, Nobuhiro Mikuni
OBJECTIVE: To evaluate motor function during neuroendoscopic resectioning of deep-seated brain tumors using endoscopically guided depth electrodes. METHODS: For 12 cases of thalamic tumors including high-grade gliomas, germinomas, and malignant lymphomas, depth electrodes were inserted using endoscopic guides between the tumor and the pyramidal tract in the thalamus. Motor evoked potentials (MEPs) were continuously recorded during neuroendoscopic resectioning of the tumors...
May 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28526811/proteomic-analysis-of-cerebrospinal-fluid-from-children-with-central-nervous-system-tumors-identifies-candidate-proteins-relating-to-tumor-metastatic-spread
#5
Filippo Spreafico, Italia Bongarzone, Sara Pizzamiglio, Ruben Magni, Elena Taverna, Maida De Bortoli, Chiara M Ciniselli, Elena Barzanò, Veronica Biassoni, Alessandra Luchini, Lance A Liotta, Weidong Zhou, Michele Signore, Paolo Verderio, Maura Massimino
Central nervous system (CNS) tumors are the most common solid tumors in childhood. Since the sensitivity of combined cerebrospinal fluid (CSF) cytology and radiological neuroimaging in detecting meningeal metastases remains relatively low, we sought to characterize the CSF proteome of patients with CSF tumors to identify biomarkers predictive of metastatic spread. CSF samples from 27 children with brain tumors and 13 controls (extra-CNS non-Hodgkin lymphoma) were processed using core-shell hydrogel nanoparticles, and analyzed with reverse-phase liquid chromatography/electrospray tandem mass spectrometry (LC-MS/MS)...
May 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28512506/case-of-primary-leptomeningeal-lymphoma-presenting-with-papilloedema-and-characteristics-of-pseudotumor-syndrome
#6
Mai Takagi, Hidehiro Oku, Teruyo Kida, Toshikazu Akioka, Tsunehiko Ikeda
The authors describe an immunocompetent, 50-year-old man who complained of a daily transient blurring of his vision with bilateral papilloedema. His visual acuity was 20/20 OU, and the blind spot was enlarged bilaterally. There was intracranial hypertension, but imaging for systemic and brain tumours were negative. These findings suggested a diagnosis of the pseudotumor syndrome. However, MRI showed leptomeningeal enhancement, and acetazolamide successfully resolved his visual symptoms and papilloedema. Cytology and flow cytometry of the CSF led to the final diagnosis of primary leptomeningeal lymphoma (PLML)...
June 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28499231/radiofrequency-electromagnetic-fields-and-some-cancers-of-unknown-etiology-an-ecological-study
#7
Jesus Gonzalez-Rubio, Enrique Arribas, Raquel Ramirez-Vazquez, Alberto Najera
Simultaneously with the increase of Radiofrequency Electromagnetic Fields (RF-EMF) in recent decades, there has been increasing concern about their potential relation with the etiology of several tumors. At this time, the techniques of spatial data analysis jointly with the study of the personal exposure to these fields offer a new approach to the problem. This paper presents the results of a preliminary epidemiological study, combining Epidemiology, Statistics and Geographical Information Systems (GIS), in which we analyzed the correlation between exposure to RF-EMF in the city of Albacete (166,000 inhabitants, southeast Spain) and the incidence of several cancers with unspecific causes (lymphomas, and brain tumors)...
May 9, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28496372/choroidal-extranodal-marginal-zone-lymphoma-diagnosed-by-full-thickness-retinochoroidal-biopsy-case-report-and-review-of-the-literature
#8
Ali Dirani, Guy Allaire, Sonia Callejo, Marie Lyne Belair, Katarzyna Biernacki, Christine Corriveau, Karim Hammamji
The case of an 89-year-old man who was referred for a painless decrease of vision in his right eye (RE) is reported. Fundus examination of the RE showed an elevated amelanotic lesion located in the posterior pole with an adjacent focal round pigmented lesion. There was also a more peripheral amelanotic lesion extending from 6 to 9 o'clock clockwise inferotemporally. Uveitis workup and imaging studies of brain and orbits were normal. A retinochoroidal biopsy was done and showed the presence of choroidal extranodal marginal zone lymphoma...
2017: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/28496056/stat3-inhibitor-abrogates-the-expression-of-pd-1-ligands-on-lymphoma-cell-lines
#9
Chaoya Ma, Hasita Horlad, Cheng Pan, Hiromu Yano, Koji Ohnishi, Yukio Fujiwara, Masao Matsuoka, Aeju Lee, Takuro Niidome, Ryuya Yamanaka, Motohiro Takeya, Yoshihiro Komohara
Recent studies have indicated the significance of immune checkpoint molecules including programmed death-1 (PD-1), cytotoxic T-lymphocyte associated protein 4, and T-cell immunoglobulin and mucin domain-containing molecule-3 for anti-tumor immune responses. We previously investigated PD-1 ligand 1/2 (PD-L1/2) expression in lymphoma cell lines, and found that PD-L1/2 is expressed on the adult T-cell leukemia/lymphoma (ATL-T) and B-cell lymphoma (SLVL) cell lines. In the present study, we investigated whether the Stat3 inhibitor WP1066 abrogated PD-L1/2 expression in lymphoma cell lines...
May 10, 2017: Journal of Clinical and Experimental Hematopathology: JCEH
https://www.readbyqxmd.com/read/28490663/quantitative-estimated-exposure-to-vinyl-chloride-and-risk-of-angiosarcoma-of-the-liver-and-hepatocellular-cancer-in-the-us-industry-wide-vinyl-chloride-cohort-mortality-update-through-2013
#10
Kenneth A Mundt, Linda D Dell, Lori Crawford, Alexa E Gallagher
OBJECTIVE: To evaluate mortality risks of angiosarcoma of the liver (ASL), primary hepatocellular carcinoma (HCC) and other cancers among 9951 men employed between 1942 and 1972 at 35 US vinyl chloride (VC) or polyvinyl chloride plants followed for mortality through 31 December 2013. METHODS: SMR and time-dependent Cox proportional hazards analyses were used to evaluate mortality risks by cumulative VC exposure. RESULTS: Liver cancer mortality was elevated (SMR=2...
May 10, 2017: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28489744/diagnostic-accuracy-of-spect-pet-and-mrs-for-primary-central-nervous-system-lymphoma-in-hiv-patients-a-systematic-review-and-meta-analysis
#11
Mo Yang, James Sun, Harrison X Bai, Yongguang Tao, Xiangqi Tang, Lisa J States, Zishu Zhang, Jianhua Zhou, Michael D Farwell, Paul Zhang, Bo Xiao, Li Yang
BACKGROUND: We performed a systematic review and meta-analysis to assess the roles of SPECT, PET, and MRS in distinguishing primary central nervous system lymphoma (PCNSL) from other focal brain lesions (FBLs) in human immunodeficiency virus (HIV)-infected patients. METHODS: PubMed, Scopus, and Medline were systematically searched for eligible studies from 1980 to 2016. Two authors extracted characteristics of patients and their lesions using predefined criteria...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28475456/brigatinib-in-patients-with-crizotinib-refractory-anaplastic-lymphoma-kinase-positive-non-small-cell-lung-cancer-a-randomized-multicenter-phase-ii-trial
#12
Dong-Wan Kim, Marcello Tiseo, Myung-Ju Ahn, Karen L Reckamp, Karin Holmskov Hansen, Sang-We Kim, Rudolf M Huber, Howard L West, Harry J M Groen, Maximilian J Hochmair, Natasha B Leighl, Scott N Gettinger, Corey J Langer, Luis G Paz-Ares Rodríguez, Egbert F Smit, Edward S Kim, William Reichmann, Frank G Haluska, David Kerstein, D Ross Camidge
Purpose Most crizotinib-treated patients with anaplastic lymphoma kinase gene ( ALK)-rearranged non-small-cell lung cancer (ALK-positive NSCLC) eventually experience disease progression. We evaluated two regimens of brigatinib, an investigational next-generation ALK inhibitor, in crizotinib-refractory ALK-positive NSCLC. Patients and Methods Patients were stratified by brain metastases and best response to crizotinib. They were randomly assigned (1:1) to oral brigatinib 90 mg once daily (arm A) or 180 mg once daily with a 7-day lead-in at 90 mg (180 mg once daily [with lead-in]; arm B)...
May 5, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28467782/methotrexate-cytarabine-dexamethasone-combination-chemotherapy-with-or-without-rituximab-in-patients-with-primary-central-nervous-system-lymphoma
#13
Xuefei Sun, Jing Liu, Yaming Wang, Xueyan Bai, Yuedan Chen, Jun Qian, Hong Zhu, Fusheng Liu, Xiaoguang Qiu, Shengjun Sun, Nan Ji, Yuanbo Liu
PURPOSE: High-dose methotrexate based chemotherapy is the standard treatment for patients with newly diagnosed primary central nervous system lymphoma (PCNSL). The role of rituximab is controversial because of its large size, which limits its penetration of the blood-brain barrier. In this study, we investigated the efficacy and tolerability of adding rituximab to methotrexate-cytarabine-dexamethasone combination therapy (RMAD regimen). RESULTS: The patients treated with RMAD had a complete remission rate of 66...
April 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28438519/role-of-18-f-fdg-pet-ct-in-primary-brain-lymphoma
#14
Á de-Bonilla-Damiá, R Fernández-López, F J Capote-Huelva, F de la Cruz-Vicente, J J Egea-Guerrero, I Borrego-Dorado
OBJECTIVE: To study the usefulness of (18)F-FDG PET/CT in the initial evaluation and in the response assessment in primary brain lymphoma. MATERIAL AND METHODS: A retrospective analysis was carried out on 18 patients diagnosed with primary brain lymphoma, a histological subtype of diffuse large B-cell lymphoma, on whom an initial (18)F-FDG PET/CT and MRI was performed, with 7 of the cases being analysed after the completion of treatment in order to assess response and clinical follow up...
April 21, 2017: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/28434043/early-whole-brain-radiotherapy-in-primary-cns-lymphoma-negative-impact-on-quality-of-life-in-the-randomized-g-pcnsl-sg1-trial
#15
Ulrich Herrlinger, Niklas Schäfer, Rolf Fimmers, Frank Griesinger, Michael Rauch, Heinz Kirchen, Patrick Roth, Martin Glas, Michael Bamberg, Peter Martus, Eckhard Thiel, Agnieszka Korfel, Michael Weller
PURPOSE: In the randomized G-PCNSL-SG-1 trial, the addition of whole brain radiotherapy (45 Gy) to high-dose methotrexate (HD-MTX)-based chemotherapy (early WBRT arm) did not prolong overall survival (OS) as compared to HD-MTX-based chemotherapy alone (no early WBRT arm) in primary CNS lymphoma (PCNSL) patients. To determine whether WBRT might lead to quality of life (QoL)-relevant late neurotoxicity, this trial prospectively monitored QoL. METHODS: QoL measurements were performed using the EORTC-QLQ-C30 and BN20 questionnaires and combined with repeated Mini Mental State Examinations (MMSE)...
April 22, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28431340/first-macrocyclic-3-rd-generation-alk-inhibitor-for-treatment-of-alk-ros1-cancer-clinical-and-designing-strategy-update-of-lorlatinib
#16
REVIEW
Sulman Basit, Zaman Ashraf, Kwangho Lee, Muhammad Latif
Non-small cell lung cancers (NSCLC) harboring anaplastic lymphoma kinase (ALK) gene rearrangements invariably develop resistance to 2(nd)-generation ALK inhibitors. Lorlatinib (PF-06463922) (6) is a 3(rd)-generation macrocyclic ALK-TKI that demonstrates many advantages over 2(nd)-generation ALK inhibitors. Lorlatinib has demonstrated decent kinase selectivity, promising pharmacokinetic profile, selective brain-penetration and strong antiproliferative activity in several ALK/ROS1-driven tumor models. The current review describes the activity spectrum, key events from discovery to clinical applications and the evidences that lorlatinib acts as an ALK/ROS1 inhibitor in clinical settings...
July 7, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28427529/primary-central-nervous-system-lymphoma
#17
REVIEW
Giovanni Citterio, Michele Reni, Gemma Gatta, Andrés José Maria Ferreri
Primary CNS lymphomas (PCNSL) represent a subgroup of malignancies with specific characteristics, aggressive course, and unsatisfactory outcome in contrast with other lymphomas comparable for tumour burden and/or histological type. Despite a high chemo- and radiosensitivity, remissions are frequently shortlasting, mainly because the blood brain-barrier limits the access of many drugs to the CNS. Moreover, survivor patients are at high risk of developing severe treatment-related toxicity, mainly disabling neurotoxicity, raising the question of how to balance therapy intensification with side-effects control...
May 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28427190/pygopus2-inhibits-the-efficacy-of-paclitaxel-induced-apoptosis-and-induces-multidrug-resistance-in-human-glioma-cells
#18
Cefan Zhou, Hongxia Cheng, Wenying Qin, Yi Zhang, Hui Xiong, Jing Yang, Huang Huang, Yefu Wang, Xing-Zhen Chen, Jingfeng Tang
Anti-microtubule drugs, such as paclitaxel (PTX), are extensively used for the treatment of numerous cancers. However, growing evidence has shown that PTX resistance, either intrinsic or acquired, frequently occurs in patients and results in the failure of treatment, contributing to the high cancer mortality rate. Therefore, it is necessary to identify the genes or pathways involved in anti-microtubule drug resistance for future successful treatment of cancers. Pygopus2 (Pygo2), which contains a Zn-coordinated plant homeodomain (PHD) finger domain, is critical for β-catenin-dependent transcriptional switches in normal and malignant tissues and is over-expressed in various cancers, including human brain glioma...
April 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427013/the-accelerated-path-of-ceritinib-translating-pre-clinical-development-into-clinical-efficacy
#19
REVIEW
Tony S K Mok, Lucio Crino, Enriqueta Felip, Ravi Salgia, Tommaso De Pas, Daniel S W Tan, Laura Q M Chow
The discovery of anaplastic lymphoma kinase (ALK)-rearranged non-small-cell lung cancer (NSCLC) in 2007 led to the development and subsequent approval of the ALK inhibitor crizotinib in 2011. However, despite its clinical efficacy, resistance to crizotinib invariably develops. There is now a next generation of ALK inhibitors, including two that have been approved-ceritinib and alectinib-and others that are in development-brigatinib, lorlatinib and X-396. Ceritinib and the other next-generation ALK inhibitors are more potent than crizotinib and can overcome tumor cell resistance mechanisms...
March 30, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28420814/cell-adhesion-molecule-1-cadm1-expressed-on-adult-t-cell-leukemia-lymphoma-cells-is-not-involved-in-the-interaction-with-macrophages
#20
Yoshihiro Komohara, Chaoya Ma, Hiromu Yano, Cheng Pan, Hasita Horlad, Yoichi Saito, Koji Ohnishi, Yukio Fujiwara, Yutaka Okuno, Kisato Nosaka, Shunsuke Shimosaki, Kazuhiro Morishita, Masao Matsuoka, Tomohiko Wakayama, Motohiro Takeya
Cell adhesion molecule 1 (CADM1) is a cell adhesion molecule that is expressed in brain, liver, lung, testis, and some kinds of cancer cells including adult T-cell leukemia/lymphoma (ATLL). Recent studies have indicated the involvement of CADM1 in cell-cell contact between cytotoxic T-lymphocytes and virus infected cells. We previously reported that cell-cell interaction between lymphoma cells and macrophages induces lymphoma cell proliferation. In the present study, we investigated whether CADM1 is associated with cell-cell interaction between several human lymphoma cell lines and macrophages...
April 18, 2017: Journal of Clinical and Experimental Hematopathology: JCEH
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