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https://www.readbyqxmd.com/read/28922238/primary-central-nervous-system-lymphoma-time-for-diagnostic-biomarkers-and-biotherapies
#1
Louis Royer-Perron, Khê Hoang-Xuan, Agusti Alentorn
PURPOSE OF REVIEW: Primary central nervous system lymphoma (PCNSL) is a rare cancer with a somber prognosis in older patients, which it affects predominantly. Only in recent years have molecular alterations characterizing PCNSL been thoroughly described. This opens possibilities for the use of targeted therapies. Developments in imaging and biomarkers have also great potential to help clinicians faced with diagnostic and prognostic uncertainties. RECENT FINDINGS: Several biomarkers for PCNSL, such as different microRNAs, which could be tested in cerebrospinal fluid and vitreous fluid, and IL-10, which has been shown to have excellent sensitivity and specificity in the cerebrospinal fluid, have emerged in the last years...
September 15, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28900847/effect-of-rituximab-on-primary-central-nervous-system-lymphoma-a-meta-analysis
#2
REVIEW
Yue Song, Yibo Wen, Weili Xue, Yanjie Zhang, Mingzhi Zhang
The effect of rituximab on primary central nervous system lymphoma (PCNSL) is controversial. We performed this meta-analysis to assess the efficacy of treatment with or without rituximab for PCNSL. We first conducted a search for qualified studies using PubMed, the Cochrane Library, and the Web of Science. The meta-analysis was conducted to compare odds ratios (ORs) with the corresponding 95% confidence interval (95% CI) for complete remission (CR) rate, progression-free survival (PFS), and overall survival (OS) using Review Manager 5...
September 12, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28881844/methotrexate-plus-idarubicin-improves-outcome-of-patients-with-primary-central-nervous-system-lymphoma
#3
Ni Fan, Lu Zhang, Xiaoping Xu, Bobin Chen, Chen Zhu, Pei Li, Zi Chen, Tianling Ding, Yan Ma, Yan Yuan, Zhiguang Lin
Primary central nervous system lymphoma (PCNSL) is a rare form of non-Hodgkin lymphoma with poor long-term survival. This study assessed methotrexate (MTX) plus idarubicin (IDA) in treating patients of PCNSL comparing to MTX alone therapy. A total of 100 patients were retrospectively enrolled and subjected to MTX alone (n = 52) and MTX plus IDA (n = 48). The completed response (CR) rate in patients treated with MTX plus IDA was 62.50%, and overall response (OR) rate was 79.17%, which in MTX alone cohort were 42...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28870957/comparing-the-efficacy-of-devic-therapy-and-high-dose-methotrexate-monotherapy-with-whole-brain-radiation-therapy-for-newly-diagnosed-primary-central-nervous-system-lymphoma-a-single-institution-study
#4
COMPARATIVE STUDY
Lushun Chalise, Kazuya Motomura, Fumiharu Ohka, Masaki Hirano, Masahito Hara, Yusuke Nishimura, Atsushi Natsume, Toshihiko Wakabayashi
BACKGROUND/AIM: In the current study, we aimed to compare DeVIC (dexamethasone, etoposide, ifosfamide and carboplatin) chemotherapy with high-dose methotrexate (HD-MTX) monotherapy plus whole-brain radiation therapy (WBRT) for newly-diagnosed primary central nervous system lymphoma (PCNSL), in terms of their efficacies and tolerability. PATIENTS AND METHODS: A total of 21 consecutive patients with PCNSL were treated with DeVIC therapy and WBRT, between 2002 and 2010...
September 2017: Anticancer Research
https://www.readbyqxmd.com/read/28865050/histogram-analysis-of-t1-weighted-t2-weighted-and-postcontrast-t1-weighted-images-in-primary-cns-lymphoma-correlations-with-histopathological-findings-a-preliminary-study
#5
Hans-Jonas Meyer, Stefan Schob, Benno Münch, Clara Frydrychowicz, Nikita Garnov, Ulf Quäschling, Karl-Titus Hoffmann, Alexey Surov
PURPOSE: Previously, some reports mentioned that magnetic resonance imaging (MRI) can predict histopathological features in primary CNS lymphoma (PCNSL). The reported data analyzed diffusion-weighted imaging findings. The aim of this study was to investigate possible associations between histopathological findings, such as tumor cellularity, nucleic areas and proliferation index Ki-67, and signal intensity on T1-weighted and T2-weighted images in PCNSL. PROCEDURES: For this study, 18 patients with PCNSL were retrospectively investigated by histogram analysis on precontrast and postcontrast T1-weighted and fluid-attenuated inversion recovery (FLAIR) images...
September 1, 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/28864640/spotlight-on-ibrutinib-in-pcnsl-adding-another-feather-to-its-cap
#6
Aparna Lakshmanan, John C Byrd
In this issue Grommes and colleagues elegantly show that the irreversible inhibitor of Bruton tyrosine kinase, ibrutinib, promotes a high proportion of durable responses in primary central nervous system lymphoma, a type of diffuse large B-cell lymphoma (DLBCL), and also in secondary DLBCL relapsing to the central nervous system. Mutations in the B-cell antigen receptor-associated protein CD79B with upregulation of the MTOR pathway were associated with diminished response, but preclinical combination of PIK3CA and PIK3CD inhibitors synergized with ibrutinib to overcome this resistance mechanism, providing opportunity for further targeted therapy of this difficult-to-treat disease...
September 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28861359/intraocular-lymphoma
#7
REVIEW
Li-Juan Tang, Chang-Lin Gu, Ping Zhang
Intraocular lymphoma (IOL) is a rare lymphocytic malignancy which contains two main distinct forms. Primary intraocular lymphoma (PIOL) is mainly a sub-type of primary central nervous system lymphoma (PCNSL). Alternatively, IOL can originate from outside the central nervous system (CNS) by metastasizing to the eye. These tumors are known as secondary intraocular lymphoma (SIOL). The IOL can arise in the retina, uvea, vitreous, Bruch's membrane and optic nerve. There are predominantly of B-cell origin; however there are also rare T-cell variants...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28854563/integrin-alpha-10-cd44-pten-cadherin-11-and-lactoferrin-expressions-are-potential-biomarkers-for-selecting-patients-in-need-of-central-nervous-system-prophylaxis-in-diffuse-large-b-cell-lymphoma
#8
Siria A Lemma, Milla Kuusisto, Kirsi-Maria Haapasaari, Raija Sormunen, Tuula Lehtinen, Tuula Klaavuniemi, Mine Eray, Esa Jantunen, Ylermi Soini, Kaija Vasala, Jan Böhm, Niina Salokorpi, Petri Koivunen, Peeter Karihtala, Jussi Vuoristo, Taina Turpeenniemi-Hujanen, Outi Kuittinen
Central nervous system (CNS) relapse is a devastating complication that occurs in about 5% of diffuse large B-cell lymphoma (DLBCL) patients. Currently, there are no predictive biological markers. We wanted to study potential biomarkers of CNS tropism that play a role in adhesion, migration and/or in the regulation of inflammatory responses. The expression levels of ITGA10, CD44, PTEN, cadherin-11, CDH12, N-cadherin, P-cadherin, lactoferrin and E-cadherin were studied with IHC and IEM. GEP was performed to see whether found expressional changes are regulated at DNA/RNA level...
August 1, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28841800/current-management-of-primary-central-nervous-system-lymphoma
#9
Jon Glass
Primary central nervous system lymphoma (PCNSL) is a rare but treatable disease. The hallmark therapy is based on the use of high-dose intravenous methotrexate (HDMTX), with clinical trial data suggesting that a more aggressive and targeted chemoimmunotherapeutic approach, to include the use of targeted therapy with rituximab (RTX) and the addition of other chemotherapeutic agents, may improve prognosis and reduce or defer the need for radiation therapy. Understanding of the molecular basis of tumor growth and proliferation may allow for the use of new targeted agents...
August 2017: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28840069/hydrocephalus-as-the-sole-presentation-of-primary-diffuse-large-b-cell-lymphoma-of-the-brain-report-of-a-case-and-review-of-literature
#10
Ahmad Pourrashidi Boshrabadi, Ali Naiem, Seyed Shahab Ghazi Mirsaeid, Kourosh Karimi Yarandi, Abbas Amirjamshidi
BACKGROUND: The most common lymphoid malignancy in adults is diffuse large B-cell lymphoma (DLBCL). The median age of occurrence of DLBCL is between 6(th) and 7(th) decade of life, although some other types of aggressive non-Hodgkin's lymphomas (NHL) are present in younger age. Primary central nervous system lymphoma (PCNSL) is an uncommon type of extranodal NHL, which is either more prevalent or is diagnosed more often than before. CASE DESCRIPTION: A 22-year-old man with ventriculoperitoneal shunt (VPS) performed at another center was referred with manifestations of shunt malfunction, unusual behavior, dysphasia, and hallucination...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28806317/quantitative-evaluation-of-diffusion-and-dynamic-contrast-enhanced-magnetic-resonance-imaging-for-differentiation-between-primary-central-nervous-system-lymphoma-and-glioblastoma
#11
Shanshan Lu, Siqi Wang, Qianqian Gao, Minlin Zhou, Yang Li, Peng Cao, Xunning Hong, Haibin Shi
OBJECTIVE: This study aimed to evaluate the utility of diffusion and permeability parameters derived from diffusion-weighted imaging and dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) for differentiating primary central nervous system lymphoma (PCNSL) and glioblastoma multiforme (GBM) and to assess the correlation among these parameters. MATERIALS AND METHODS: Forty-two patients with GBM and 18 patients with PCNSL underwent conventional 3.0-T MRI, diffusion-weighted imaging, and DCE-MRI before surgery...
August 12, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28805292/incidence-and-outcomes-of-primary-central-nervous-system-lymphoma-in-solid-organ-transplant-recipients
#12
Parag Mahale, Meredith S Shiels, Charles F Lynch, Eric A Engels
Primary central nervous system lymphoma (PCNSL) risk is greatly increased in immunosuppressed human immunodeficiency virus-infected people. Using data from the US transplant registry linked with 17 cancer registries (1987-2014), we studied PCNSL and systemic non-Hodgkin lymphoma (NHL) in 288 029 solid organ transplant recipients. Transplant recipients had elevated incidence for PCNSL compared with the general population (standardized incidence ratio = 65.1; N = 168), and this elevation was stronger than for systemic NHL (standardized incidence ratio=11...
August 14, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28799211/expression-signatures-and-roles-of-micrornas-in-human-oesophageal-adenocarcinomas
#13
Xiangyi Kong, Shun Gong, Lijuan Su, Chen Li, Yanguo Kong
The most common forms of oesophageal cancers are adenocarcinomas and squamous cell carcinoma (SCC). Although the incidence of SCC in the United States tends to be declining, the adenocarcinoma incidence caused by Barrett's oesophagus has been increasing. Oesophageal cancer is regarded as one of the most fatal malignancies with a short prognosis. Systemic manifestations of patients with PCNSL keep backward in spite of recent development of chemoradiotherapy. MicroRNAs are small non-coding RNAs that can post-transcriptionally down-regulate the expression of genes by targeting mRNAs, causing their translational repression as well as degradation...
August 10, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28776551/advances-in-pathobiology-of-primary-central-nervous-system-lymphoma
#14
REVIEW
Xue-Liang Yang, Yuan-Bo Liu
OBJECTIVE: Primary central nervous system lymphoma (PCNSL) is a specific type of non-Hodgkin lymphoma with poor prognosis. The rare incidence of this disease and difficulty to obtain sufficient tissue material impede deep research into PCNSL. However, application of modern molecular techniques makes it possible to find biological characteristics exclusive to PCNSL. Therefore, we systematically reviewed the latest research progress on biological characteristics and pathogenesis of PCNSL...
August 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28747447/long-term-aids-related-pcnsl-outcomes-with-hd-mtx-and-combined-antiretroviral-therapy
#15
Antoine Moulignier, Cédric Lamirel, Hervé Picard, Marie-Gisèle Lebrette, Corinne Amiel, Mohammed Hamidi, Marc Polivka, Jacqueline Mikol, Isabelle Cochereau, Gilles Pialoux
OBJECTIVE: To assess the characteristics and outcomes of patients with AIDS-related primary CNS lymphoma (AR-PCNSL) in the combined antiretroviral therapy (cART) era systematically treated with high-dose methotrexate (HD-MTX). METHODS: We retrospectively analyzed (intention-to-treat analysis) 51 consecutive patients with AR-PCNSL (median age 39 years) who were diagnosed from 1996 to 2014 and treated with a median of 6 (range 1-15) infusions of HD-MTX (3 g/m(2)) combined with cART...
August 22, 2017: Neurology
https://www.readbyqxmd.com/read/28725988/interim-18-f-fgd-pet-ct-may-not-predict-the-outcome-in-primary-central-nervous-system-lymphoma-patients-treated-with-sequential-treatment-with-methotrexate-and-cytarabine
#16
Jae-Cheol Jo, Dok Hyun Yoon, Shin Kim, Kyoungmin Lee, Eun Hee Kang, Jung Sun Park, Jin-Sook Ryu, Jooryung Huh, Chan-Sik Park, Jong Hoon Kim, Sang Wook Lee, Cheolwon Suh
(18)F-fluoro-2-dexoy-D-glucose-positron emission tomography (PET)/computed tomography (CT) is a useful imaging technique for monitoring the treatment response in lymphoma cases. We investigated the value of interim brain PET/CT (I-PET/CT) for monitoring the response to intensive methotrexate-based chemotherapy in primary central nervous system lymphoma (PCNSL) patients with diffuse large B cell lymphoma (DLBCL). Of the 76 PCNSL patients treated with intensive methotrexate and cytarabine chemotherapy between September 2006 and December 2012, 66 patients with DLBCL were included in this study...
September 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28708728/differentiating-primary-central-nervous-system-lymphomas-from-glioblastomas-and-inflammatory-demyelinating-pseudotumor-using-relative-minimum-apparent-diffusion-coefficients
#17
Jian-Bo Wen, Wei-Yuan Huang, Wei-Xing-Zi Xu, Gang Wu, Dao-Ying Geng, Bo Yin
OBJECTIVE: Our purpose was to evaluate the diagnostic performance of diffusion-weighted imaging, the relative minimum apparent diffusion coefficient (rADCmin) in differentiating primary central nervous system lymphomas (PCNSLs) from glioblastomas (GBMs) and inflammatory demyelinating pseudotumors (IDPs). MATERIALS AND METHODS: Magnetic resonance images were reviewed retrospectively in 82 patients including 39 PCNSLs, 35 GBMs, and 8 IDPs. Regions of interest were drawn around the tumor on contrast-enhanced axial images; these images were transferred onto coregistered ADC maps to obtain the ADCmin, and the normalized ADCmin ratios (rADCmin) were calculated using the formula rADCmin = ADCmin of the lesion / ADCmin of the normal white matter...
July 13, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28693163/monocyte-chemoattractant-protein-1-expression-and-proliferation-in-primary-central-nervous-system-lymphoma
#18
Yoshinobu Takahashi, Takahiro Sawada, Toshiaki Akahane, Yumiko Kawase, Hidetoshi Ikeda, Keishi Makino, Hideo Nakamura, Takuichiro Hide, Shigetoshi Yano, Naoya Hashimoto, Hajime Kamada
Whether the poor prognosis of primary central nervous system lymphoma (PCNSL) compared with systemic diffuse large B cell lymphoma (DLBCL) is attributable to the immune privilege of the intracerebral location or to intrinsic differences in the biological characteristics of two types of lymphoma remains unclear. Monocyte chemoattractant protein 1 (MCP-1) is essential to support tumor cell survival and growth, and the present study aimed to compare MCP-1 expression in PCNSL and peripheral DLBCL. The present study included 19 patients with PCNSL and 16 patients with DLBCL, all of whom had tissue diagnosis and lymphoma tissue samples available for analysis...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28640701/primary-cns-lymphoma
#19
REVIEW
Christian Grommes, Lisa M DeAngelis
Primary CNS lymphoma (PCNSL) is a rare form of extranodal non-Hodgkin lymphoma that is typically confined to the brain, eyes, and cerebrospinal fluid without evidence of systemic spread. The prognosis of patients with PCNSL has improved during the last decades with the introduction of high-dose methotrexate. However, despite recent progress, results after treatment are durable in half of patients, and therapy can be associated with late neurotoxicity. PCNSL is an uncommon tumor, and only four randomized trials and one phase III trial have been completed so far, all in the first-line setting...
July 20, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28638001/comparison-between-glioblastoma-and-primary-central-nervous-system-lymphoma-using-mr-image-based-texture-analysis
#20
Akira Kunimatsu, Natsuko Kunimatsu, Kouhei Kamiya, Takeyuki Watadani, Harushi Mori, Osamu Abe
PURPOSE: To elucidate differences between glioblastoma (GBM) and primary central nervous system lymphoma (PCNSL) with magnetic resonance (MR) image-based texture features. METHODS: This was an Institutional Review Board (IRB)-approved retrospective study. Consecutive, pathologically proven, initially treated 44 patients with GBM and 16 patients with PCNSL were enrolled. We calculated a total of 67 image texture features on the largest contrast-enhancing lesion in each patient on post-contrast T1-weighted images...
June 22, 2017: Magnetic Resonance in Medical Sciences: MRMS
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