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Nervous central system lymphoma

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https://www.readbyqxmd.com/read/29156774/micrornas-as-predictors-for-cns-relapse-of-systemic-diffuse-large-b-cell-lymphoma
#1
Nir Pillar, Osnat Bairey, Neta Goldschmidt, Yakov Fellig, Yevgenia Rosenblat, Itchak Shehtman, Danielle Haguel, Pia Raanani, Noam Shomron, Tali Siegal
Systemic diffuse large B-cell lymphoma (DLBCL) is a potentially curable disease using current regimen of immunochemotherapy. Central nervous system (CNS) relapse is a complication that occurs in approximately 5% of DLBCL patients and is associated with a high fatality rate. Early identification of molecular markers for CNS involvement may serve for the highly needed accurate stratification of patients into risk groups regarding CNS relapse. MicroRNAs (miRNAs) are small non-coding RNA molecules that regulate gene expression at the post-transcriptional level and are known to be involved in DLBCL pathophysiology...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156704/ackr3-expression-on-diffuse-large-b-cell-lymphoma-is-required-for-tumor-spreading-and-tissue-infiltration
#2
Viola Puddinu, Sabrina Casella, Egle Radice, Sylvia Thelen, Stefan Dirnhofer, Francesco Bertoni, Marcus Thelen
Diffuse large B cell lymphoma (DLBCL) is the most frequent lymphoma accounting for more than the 30% of the cases. Involvement of extranodal sites, such as bone marrow and central nervous system, is associated with poor prognosis. A contribution of the chemokine system in these processes is assumed as it is known as a critical regulator of the metastatic process in cancer. The atypical chemokine receptor 3 (ACKR3), which does not couple to G-proteins and does not mediate cell migration, acts as a scavenger for CXCL11 and CXCL12, interfering with the tumor homing CXCL12/CXCR4 axis...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29152083/programmed-cell-death-1-expression-is-associated-with-inferior-survival-in-patients-with-primary-central-nervous-system-lymphoma
#3
Hyunsoo Cho, Se Hoon Kim, Soo-Jeong Kim, Jong Hee Chang, Woo-Ick Yang, Chang-Ok Suh, Yu Ri Kim, Ji Eun Jang, June-Won Cheong, Yoo Hong Min, Jin Seok Kim
Programmed cell death 1 (PD-1) and its ligands PD-L1/PD-L2 have been shown to mediate immune evasion in various cancers, but their prognostic implications in patients with primary central nervous system lymphoma (PCNSL) are poorly understood. Therefore, we analyzed 76 PCNSL patients at initial diagnosis who were treated homogenously with high-dose methotrexate-based chemotherapy, and evaluated the prognostic roles of high immunohistochemical PD-1, PD-L1, and PD-L2 expression. The cut-off values for high PD-1 (≥ 70 cells/high power field [HPF]), PD-L1 (≥ 100 cells/HPF), and PD-L2 (≥ 100 cells/HPF) were determined by the area under the receiver operating characteristic curve...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29151949/cerebrospinal-fluid-proteins-identification-facilitates-the-differential-diagnosis-of-central-nervous-system-diffuse-large-b-cell-lymphoma
#4
Wen Zheng, YuQin Song, Yan Xie, NingJing Lin, MeiFeng Tu, WeiPing Liu, LingYan Ping, ZhiTao Ying, Chen Zhang, LiJuan Deng, XiaoPei Wang, YouYong Lu, Jun Zhu
Background: Diagnosis of central nervous system (CNS) lymphoma remains a challenge. This study aimed to identify cerebrospinal fluid (CSF) proteins that distinguish patients with and without CNS lymphoma. Methods: We used one-dimensional SDS-polyacrylamide gel electrophoresis coupled with liquid chromatography- electrospray ionization-quadrupole-time of flight-mass spectrometry (LC-ESI-Q-TOF MS) to identify CSF proteins in CNS diffuse large B cell lymphoma (DLBCL) patients and controls. Results: Approximately 166 CSF proteins were identified, 12 for the first time in the CSF of lymphoma patients...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29151814/de-novo-acute-lymphoblastic-leukemia-like-disease-of-high-grade-b-cell-lymphoma-with-myc-and-bcl2-and-or-bcl6-rearrangements-a-case-report-and-literature-review
#5
Akiko Uchida, Yasushi Isobe, Yu Uemura, Yuji Nishio, Hirotaka Sakai, Masayuki Kato, Kaori Otsubo, Masahiro Hoshikawa, Masayuki Takagi, Ikuo Miura
Background: B-cell lymphomas harboring the 8q24/MYC plus 18q21/BCL2 translocations are now referred to as high grade B-cell lymphoma with MYC and BCL2 and/or BCL6 rearrangements (HGBL-MBR). Although HGBL-MBR is frequently found in cases with diffuse large B-cell lymphoma or Burkitt lymphoma-like B-cell lymphoma, acute lymphoblastic leukemia (ALL)-like disease of HGBL-MBR (AL-HGBL-MBR) has been reported incidentally. Case presentation: A 69-year-old Japanese woman developed remittent fever and increasing systemic bone pain...
2017: BMC Clinical Pathology
https://www.readbyqxmd.com/read/29151258/clinical-significance-of-disease-specific-myd88-mutations-in-circulating-dna-in-primary-central-nervous-system-lymphoma
#6
Keiichiro Hattori, Mamiko Sakata-Yanagimoto, Yasuhito Suehara, Yasuhisa Yokoyama, Takayasu Kato, Naoki Kurita, Hidekazu Nishikii, Naoshi Obara, Shingo Takano, Eiichi Ishikawa, Akira Matsumura, Yuichi Hasegawa, Shigeru Chiba
Recent sequencing studies demonstrated the MYD88 L265P mutation in more than 70% of primary central nervous system lymphomas (PCNSL), and the clinical significance of this mutation has been proposed as diagnostic and prognostic markers in PCNSL. On the other hand, mutational analyses using cell-free DNAs have been reported in a variety of systemic lymphomas. To investigate how sensitively the MYD88 L265P mutation can be identified in cell-free DNA from PCNSL patients, we performed droplet digital PCR (ddPCR) and targeted deep sequencing (TDS) in consecutive 14 PCNSL patients from whom paired tumor-derived DNA and cell-free DNA was available at diagnosis...
November 19, 2017: Cancer Science
https://www.readbyqxmd.com/read/29149104/cumulative-incidence-rates-for-cns-and-non-cns-progression-in-two-phase-ii-studies-of-alectinib-in-alk-positive-nsclc
#7
Shirish Gadgeel, Alice T Shaw, Fabrice Barlesi, Lucio Crinò, James Chih-Hsin Yang, Anne-Marie C Dingemans, Dong-Wan Kim, Filippo de Marinis, Mathias Schulz, Shiyao Liu, Ravindra Gupta, Ahmed Kotb, Sai-Hong Ignatius Ou
BACKGROUND: We evaluated the cumulative incidence rate (CIR) of central nervous system (CNS) and non-CNS progression in alectinib-treated patients with anaplastic lymphoma kinase (ALK)-positive non-small-cell lung cancer (NSCLC) to determine the extent to which alectinib may treat or control CNS disease. METHODS: Patients with crizotinib-pretreated locally advanced or metastatic disease received alectinib 600 mg orally twice daily in two phase II trials. All patients underwent baseline imaging and regular centrally reviewed scans...
November 16, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/29143277/myo-inositol-concentration-in-mr-spectroscopy-for-differentiating-high-grade-glioma-from-primary-central-nervous-system-lymphoma
#8
Hiroaki Nagashima, Takashi Sasayama, Kazuhiro Tanaka, Katsusuke Kyotani, Naoko Sato, Masahiro Maeyama, Masaaki Kohta, Junichi Sakata, Yusuke Yamamoto, Kohkichi Hosoda, Tomoo Itoh, Ryohei Sasaki, Eiji Kohmura
It is sometimes difficult to distinguish gliomas from other tumors on routine imaging. In this study, we assessed whether 3-T magnetic resonance spectroscopy (MRS) with LCModel software might be useful for discriminating glioma from other brain tumors, such as primary central nervous system lymphomas (PCNSLs) and metastatic tumors. A total of 104 cases of brain tumor (66 gliomas, 20 PCNSLs, 6 metastatic tumors, 12 other tumors) were preoperatively investigated with short echo time (35 ms) single-voxel 3-T MRS...
November 15, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29135607/targeting-the-perivascular-niche-in-brain-tumors
#9
Giorgio Seano
PURPOSE OF REVIEW: Brain tumors are composed of primary tumors of the central nervous system, such us glioblastoma (GBM), and secondary metastatic tumors, such as melanoma, non-Hodgkin lymphoma as well as lung and breast cancers. Brain tumors are highly deadly, and unfortunately not many improvements have been achieved to improve the survival of patients with brain tumors. Chemoradiation resistance is one of the most clinically relevant challenges faced in patients with brain tumors. The perivascular niche is one of the most relevant microenvironment hubs in brain tumors...
November 14, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/29128836/characterization-of-liposome-containing-spions-conjugated-with-anti-cd20-developed-as-a-novel-theranostic-agent-for-central-nervous-system-lymphoma
#10
S Saesoo, S Sathornsumetee, P Anekwiang, C Treetidnipa, P Thuwajit, S Bunthot, W Maneeprakorn, L Maurizi, H Hofmann, Ruktanonchai Uracha Rungsardthong, N Saengkrit
Despite advances in neuroscience cancer research during the past decades, the survival of cancer patients has only marginally improved and the cure remains unlikely. The blood-brain barrier (BBB) is a major obstacle protecting the entry of therapeutic agents to central nervous system, especially for primary central nervous system lymphoma (PCNSL). Thus, the use of small nanoparticle as a drug carrier may be new strategies to overcome this problem. In this study, we fabricated liposome consisting of superparamagnetic iron oxide nanoparticles (SPIONs) functionalized with anti-CD20 (Rituximab; RTX)...
November 8, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29126866/advances-in-diagnosis-and-management-of-diffuse-large-b-cell-lymphoma
#11
REVIEW
Fernando Cabanillas, Bijal Shah
The management of diffuse large B-cell lymphoma (DLBCL) has been gradually evolving since the discovery of its 2 major forms, the germinal center B-like (GCB) and activated B-cell (ABC) types. Although the reference standard for the identification of these cell types is considered gene expression profiling (GEP), currently the only method commercially available is immunohistochemistry (IHC). The application of various IHC-based algorithms and their correlation with GEP and clinical outcome are discussed. Because of the adverse prognostic implications of the non-GCB type and its potential effects on treatment selection, the recently revised World Health Organization classification has included these biologic cell types...
November 7, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/29119031/pediatric-pulmonary-epstein-barr-virus-positive-diffuse-large-b-cell-lymphoma-a-case-report-and-review-of-the-literature
#12
Eric X Wei, Roberto F Silva, James D Cotelingam, Rodney E Shackelford
Non-Hodgkin's lymphoma (NHL) is a common malignancy of childhood; however, a lung primary presentation is an uncommon finding, as is finding an association with the Epstein-Barr virus (EBV). We report the case of a 23-month-old female who developed EBV-associated diffuse large B-cell lymphoma (DLBCL) that was initially thought to be pneumonia. Extensive tissue necrosis, focal angioinvasion, and angiodestruction were observed. She was refractory to various therapy regimens, subsequently developed DLBCL in the central nervous system, and eventually expired...
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/29113178/immunohistochemical-profile-and-prognostic-significance-in-primary-central-nervous-system-lymphoma-analysis-of-89-cases
#13
Jing Liu, Yaming Wang, Yuantao Liu, Zhe Liu, Qu Cui, Nan Ji, Shengjun Sun, Bingxu Wang, Yajie Wang, Xuefei Sun, Yuanbo Liu
The majority of primary central nervous system lymphomas (PCNSLs) are diffuse large B cell lymphoma, characterized by poor prognosis. In the present study, the expression of cluster of differentiation (CD)10, B cell lymphoma (BCL)-6, multiple myeloma-1 (MUM-1), BCL-2, CD138 and Ki-67 was analyzed by immunohistochemistry in 89 Chinese PCNSL cases, and the potential prognostic significance was evaluated. CD10, BCL-6, MUM-1, BCL-2 and CD138 were positive in 16.9 (15/89), 51.7 (46/89), 92.1 (82/89), 73.3 (63/86) and 0% (0/65) of all cases, respectively...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29104150/differentiating-between-primary-central-nervous-system-lymphomas-and-glioblastomas-combined-use-of-perfusion-and-diffusion-weighted-magnetic-resonance-imaging
#14
Keishi Makino, Toshinori Hirai, Hideo Nakamura, Jun-Ichiro Kuroda, Naoki Shinojima, Hiroyuki Uetani, Mika Kitajima, Shigetoshi Yano
OBJECTIVE: The purpose of this study was to determine whether combined diffusion-weighted imaging (DWI) and dynamic susceptibility contrast-enhanced perfusion-weighted imaging (PWI) magnetic resonance imaging (MRI) can be used to differentiate between common malignant brain tumors, including lymphomas and high-grade gliomas. METHODS: We evaluated 87 patients with histologically confirmed brain tumors, including 33 primary central nervous system lymphomas (PCNSLs) and 54 glioblastomas (GBMs)...
November 2, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29103980/extranodal-marginal-zone-lymphoma-of-the-central-nervous-system
#15
REVIEW
Adanma Ayanambakkam, Sami Ibrahimi, Khalid Bilal, Mohamad A Cherry
Extranodal marginal zone lymphoma of the central nervous system (CNS EMZBL) is a rare disease. We present a review of the literature and describe its presentation, differential diagnosis, treatment options, and outcomes. Systematic search of PubMed, Medline, and Embase databases via the Ovid engine for primary articles and case reports yielded 37 unduplicated peer-reviewed articles of CNS EMZBL. We identified 69 cases in these articles and 1 unreported case at our institution, which were included for this review's analysis...
September 23, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/29090380/central-nervous-system-aquaporin4-autoimmunity-revealed-by-a-single-pseudotumoral-encephalic-lesion
#16
Guillaume Fargeot, J Aboab, J Savatovsky, R Marignier, A Lecler, O Gout
The radiological spectrum of neuromyelitis optica has become broader since the detection of aquaporin4 antibodies. We report a case of neuromyelitis optica patient with pseudotumoral encephalic lesion. A 66 year-old woman presented with sudden left lateral homonymous hemianopsia. A brain MRI showed an isolated and extensive right temporo-parieto-occipital lesion, involving periventricular white matter and the corpus callosum, with strong enhancement on post-gadolinium T1 weighted images, highly suggestive of lymphoma...
October 31, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/29083044/relapse-in-stage-i-e-diffuse-large-b-cell-lymphoma
#17
Marcel Nijland, Karin Boslooper, Gustaaf van Imhoff, Robbie Kibbelaar, Peter Joosten, Huib Storm, Eric N van Roon, Arjan Diepstra, Hanneke C Kluin-Nelemans, Mels Hoogendoorn
Despite a general favourable outcome in limited stage diffuse large B-cell lymphoma (DLBCL), relapses occur in about 10 to 20% of patients. Prognostic models only partially identify patients at risk for relapse. Moreover, it is not known whether the outcome after such a relapse is similar to the outcome after relapse in advanced stages. From January 2004 through December 2012, all newly diagnosed patients with stage I(E) DLBCL were retrospectively analysed from 2 clinical databases to investigate the relapse pattern and outcome in relation to initial treatment and clinical characteristics...
October 30, 2017: Hematological Oncology
https://www.readbyqxmd.com/read/29075144/spotlight-on-brigatinib-and-its-potential-in-the-treatment-of-patients-with-metastatic-alk-positive-non-small-cell-lung-cancer-who-are-resistant-or-intolerant-to-crizotinib
#18
REVIEW
Rohit K Jain, Hongbin Chen
In the last decade, there have been major therapeutic advances in the management of patients with anaplastic lymphoma kinase (ALK)-positive non-small cell lung cancer. Crizotinib was the first approved ALK inhibitor with significant benefits over chemotherapy. However, patients inevitably develop disease progression especially in central nervous system and acquire resistance to crizotinib. Several next-generation ALK inhibitors have been developed to overcome these resistance mechanisms and have demonstrated clinical benefits in crizotinib-refractory non-small cell lung cancer including in central nervous system...
2017: Lung Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/29071274/bilateral-central-retinal-artery-occlusion-associated-with-bilateral-lymphoproliferative-infiltrative-optic-neuropathy
#19
Philip J DeSouza, Claudia G Hooten, Christopher M Lack, Vishak J John, Timothy J Martin
BACKGROUND: Leukemic infiltration of the optic nerve is relatively rare. While previously described in acute leukemia, the infiltration in our case represents central nervous system (CNS) metastasis of Burkitt-type lymphoma that developed as a complication of solid-organ transplantation, resulting in a bilateral infiltrative optic neuropathy with sequential, bilateral central retinal artery occlusion (CRAO) and devastating vision loss. METHODS: The medical record, serial ophthalmic examination findings, clinical course, and imaging including magnetic resonance imaging (MRI), fundus photographs, and fluorescein angiography of a single patient were retrospectively reviewed...
September 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29070753/a-case-of-primary-central-nervous-system-anaplastic-lymphoma-kinase-positive-anaplastic-large-cell-lymphoma-manifested-as-a-unilateral-pachymeningits
#20
Etsuco Fujisawa, Hidehiro Shibayama, Fumi Mitobe, Fumiaki Katada, Susumu Sato, Toshio Fukutake M D
There have been 23 reports of primary central nervous system anaplastic lymphoma kinase (ALK)-positive anaplastic large cell lymphoma in the literature. Here we report the 24th case of a 40-year-old man who presented with occipital headache for one month. His contrast-enhanced brain MRI showed enhancement around the right temporal lobe, which suggested a diagnosis of hypertrophic pachymeningitis. He improved with steroid therapy. After discharge, however, he was readmitted with generalized convulsive seizures...
October 26, 2017: Rinshō Shinkeigaku, Clinical Neurology
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