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Nervous central system lymphoma

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https://www.readbyqxmd.com/read/29333888/primary-diffuse-large-b-cell-lymphoma-of-the-ciliary-body
#1
Hayyam Kiratli, Abdullah Ağın, Berrin Büyükeren, Figen Söylemezoğlu
PURPOSE: To report an unusual case of an eye with primary ciliary body lymphoma which came to enucleation allowing detailed histopathological examination. METHODS: A 50-year-old man presented with a painful loss of vision in the left eye. The clinical, imaging, and immunohistopathological features of this case were reviewed. RESULTS: The vision in the left eye was light perception. There were keratic precipitates, an irregular and thickened iris with neovascularization...
January 15, 2018: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/29333405/primary-central-nervous-system-lymphoma-a-new-prognostic-model-for-patients-with-diffuse-large-b-cell-histology
#2
Yongchel Ahn, Heui June Ahn, Dok Hyun Yoon, Jung Yong Hong, Changhoon Yoo, Shin Kim, Jooryung Huh, Cheolwon Suh
Background: Age and performance status are important prognostic factors in primary central nervous system (CNS) lymphoma. Although several prognostic models have been proposed, there is no consensus on the optimal model for patients with diffuse large B-cell histology. Methods: Seventy-seven patients with primary CNS diffuse large B-cell lymphoma were retrospectively analyzed to determine factors affecting survival. Three Western models were applied to our eligible patients; we devised a novel model based on our findings...
December 2017: Blood Research
https://www.readbyqxmd.com/read/29333016/clinicopathological-features-and-outcomes-in-primary-central-nervous-system-lymphoma-a-10-year-experience
#3
Chaitanya Krishna Puligundla, Stalin Bala, Ashok Kumar Karnam, Sadashivudu Gundeti, Tara Roshni Paul, Megha S Uppin, Lakshmi Srinivas Maddali
Context: Primary central nervous system lymphoma (PCNSL) is a variant of extranodal lymphoma, accounting for 4% of primary central nervous system tumors. PCNSL was more common in immunocompetent individuals. International Extranodal Lymphoma Study Group (IELSG) scoring was used for prognostication. High-dose methotrexate regimens along with radiotherapy improved outcomes in PCNSL. Aims: The aim of this study is to analyze the clinical and pathological features, progression-free survival (PFS), and overall survival (OS) in patients with PCNSL...
October 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29331383/population-pharmacokinetics-of-high-dose-methotrexate-in-patients-with-primary-central-nervous-system-lymphoma
#4
Shenghui Mei, Xingang Li, Xueyun Jiang, Kefu Yu, Song Lin, Zhigang Zhao
The intra- and inter-individual variances of methotrexate (MTX) pharmacokinetics are extremely large, and the pharmacokinetic property of MTX in patients with primary central nervous system lymphoma (PCNSL) is unestablished. A total of 701 MTX plasma concentrations from 98 patients with PCNSL under High-dose methotrexate (HDMTX) therapy were used to develop the population pharmacokinetic (popPK) model of MTX by using the nonlinear mixed-effects modeling method. A two-compartment model was employed to describe the pharmacokinetic property of MTX...
January 10, 2018: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29330078/intraoperative-flow-cytometry-enables-the-differentiation-of-primary-central-nervous-system-lymphoma-from-glioblastoma
#5
Shunichi Koriyama, Masayuki Nitta, Takahiro Shioyama, Takashi Komori, Takashi Maruyama, Takakazu Kawamata, Yoshihiro Muragaki
OBJECTIVE: Accurate preoperative and intraoperative differentiation between primary central nervous system lymphoma (PCNSL) and glioblastoma (GBM) is sometimes difficult. Distinguishing between these tumors during surgery is important because surgical treatment is different between the two tumors. In this study, we established a new method of intraoperative differentiation between PCNSL and GBM using intraoperative flow cytometry (iFC), and we retrospectively tested whether iFC was useful for the intraoperative diagnosis of PCNSL and GBM...
January 9, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29327175/microrna-30c-as-a-novel-diagnostic-biomarker-for-primary-and-secondary-b-cell-lymphoma-of-the-cns
#6
Alexander Baraniskin, Monika Chomiak, Guido Ahle, Thomas Gress, Malte Buchholz, Michael Turewicz, Martin Eisenacher, Michelle Margold, Uwe Schlegel, Wolff Schmiegel, Stephan Hahn, Roland Schroers
Primary lymphomas of the central nervous system (PCNSL) are highly aggressive tumors affecting exclusively the CNS, meninges, and eyes. PCNSL must be separated from secondary spread of systemic lymphoma to the CNS (SCNSL), which may occur at diagnosis or relapse of systemic lymphomas. At present, there are no valid methods to distinguish PCNSL from SCNSL based on tumor biopsy because of similar histological presentation. However, SCNSL and PCNSL are different in terms of prognosis and adequate therapy protocols...
January 11, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29325248/-survival-of-patients-with-primary-central-nervous-system-diffuse-large-b-cell-lymphoma-impact-of-gene-aberrations-and-protein-overexpression-of-bcl-2-and-c-myc-and-selection-of-chemotherapy-regimens
#7
W J Yin, X Zhu, H Y Yang, W Y Sun, M J Wu
Objective: To investigate the impact of clinicopathological features, gene rearrangements and protein expression of bcl-6, bcl-2, C-MYC and chemotherapy regime on the prognosis of patients with primary central nervous system diffuse large B-cell lymphoma (PCNS-DLBCL). Methods: Thirty-three cases of PCNS-DLBCL diagnosed from January 2006 to December 2016 at Zhejiang Cancer Hospital were collected. The expression of CD10, bcl-6, bcl-2, MUM1 and MYC were detected by immunohistochemical staining (IHC). The presence of EB virus was detected by in situ hybridization(EBER)...
January 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29323247/leakage-correction-improves-prognosis-prediction-of-dynamic-susceptibility-contrast-perfusion-mri-in-primary-central-nervous-system-lymphoma
#8
Yeon Soo Kim, Seung Hong Choi, Roh-Eul Yoo, Koung Mi Kang, Tae Jin Yun, Ji-Hoon Kim, Chul-Ho Sohn, Sung-Hye Park, Jae-Kyung Won, Tae Min Kim, Chul-Kee Park, Il Han Kim
To evaluate whether the cerebral blood volume (CBV) measurement with leakage correction from dynamic susceptibility contrast perfusion weighted imaging can be useful in predicting prognosis for primary central nervous system lymphoma (PCNSL). 46 PCNSL patients were included and classified by radiation therapy (RT) stratification into RT (n = 30) and non-RT (n = 16) groups. The corresponding histogram parameters of normalized CBV (nCBV) maps with or without leakage correction were calculated on contrast-enhanced T1 weighted image (CE T1WI) or on fluid attenuated inversion recovery image...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29315142/enteroviral-encephalitis-in-a-child-with-cns-relapse-of-burkitt-leukemia-treated-with-rituximab
#9
Najma Shaheen, Francis Mussai
A boy with central nervous system relapse of Burkitt leukemia developed fever and neurological symptoms and cognitive impairment. He had received multi-drug chemotherapy including rituximab. Enterovirus (EV) was detected in cerebrospinal fluid by polymerase chain reaction, and magnetic resonance imaging findings were consistent with viral infection. The patient was treated with intravenous immunoglobulin and within 1 month cleared his EV. Rituximab can cause a profound B-cell deficiency predisposing patients to infections including EV encephalitis...
January 8, 2018: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29300814/body-mass-index-and-20-specific-cancers-re-analyses-of-dose-response-meta-analyses-of-observational-studies
#10
E K Choi, H B Park, K H Lee, J H Park, M Eisenhut, H J van der Vliet, G Kim, J I Shin
Background: Objectives were to provide an overview and understand the strength of evidence and extent of potential biases and validity of claimed associations between Body Mass Index (BMI) and risk of developing cancer. Methods: We performed an umbrella review and comprehensively re-analysed the data of dose-response meta-analyses on associations between BMI and risk of 20-specific cancers (bladder, brain, breast, colonic, rectal, endometrial, gallbladder, gastric, leukemia, liver, lung, melanoma, multiple myeloma, non-Hodgkins lymphoma, oesophagus, ovarian, pancreatic, prostate, renal, thyroid) by adding big data or missed individual studies...
December 28, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29299134/proteomic-changes-in-cerebrospinal-fluid-from-primary-central-nervous-system-lymphoma-patients-are-associated-with-protein-ectodomain-shedding
#11
Daniel Michael Waldera-Lupa, Omid Etemad-Parishanzadeh, Mareike Brocksieper, Nina Kirchgaessler, Sabine Seidel, Thomas Kowalski, Manuel Montesinos-Rongen, Martina Deckert, Uwe Schlegel, Kai Stühler
Primary central nervous system lymphomas (PCNSLs) are mature B-cell lymphomas confined to the central nervous system (CNS). Blood-brain barrier (BBB) dysfunction drastically alters the cerebrospinal fluid (CSF) proteome in PCNSL patients. To reveal the interaction of PCNSL tumors with CNS structures and the vasculature, we conducted a whole-proteome analysis of CSF from PCNSL patients (n = 17 at initial diagnosis) and tumor-free controls (n = 10) using label-free quantitative mass spectrometry. We identified 601 proteins in the CSF proteome using a one-step approach without further prefractionation, and quantified 438 proteins in detail using the Hi-N method...
December 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/29297171/treatment-of-hiv-associated-lymphomas-the-latest-approaches-for-optimizing-outcomes
#12
Natasha B Hunter, Samantha Vogt, Richard F Ambinder
Treatment outcomes for patients with HIV-related lymphoma have improved since the advent of combination antiretroviral therapy. Standard regimens, including intensive regimens, are being used with encouraging results in patients with diffuse large B-cell lymphoma, Burkitt lymphoma, Hodgkin lymphoma, and primary central nervous system lymphoma. Approaches to salvage therapy also parallel those used in patients without HIV infection, including autologous and allogeneic hematopoietic stem cell transplant. Drug interactions with particular antiretrovirals warrant close attention...
December 15, 2017: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/29296917/checkpoint-blockade-in-hodgkin-and-non-hodgkin-lymphoma
#13
REVIEW
Reid W Merryman, Philippe Armand, Kyle T Wright, Scott J Rodig
Classical Hodgkin lymphoma (cHL) is characterized by nearly universal genetic alterations in 9p24.1, resulting in constitutive expression of PD-1 ligands. This likely underlies the unique sensitivity of cHL to PD-1 blockade, with response rates of ∼70% in relapsed/refractory disease. There are now numerous clinical trials testing PD-1 inhibitors in earlier stages of treatment and in combination with many other therapies. In general, non-Hodgkin lymphomas (NHLs) do not display a high frequency of 9p24.1 alterations and do not share cHL's vulnerability to PD-1 blockade...
December 12, 2017: Blood Advances
https://www.readbyqxmd.com/read/29290994/radiotherapy-as-an-alternative-treatment-option-for-primary-central-nervous-system-lymphoma-patients-who-are-noncandidates-for-chemotherapy
#14
Yoo-Kang Kwak, Byung-Ock Choi, Kyu Hye Choi, Jong Hoon Lee, Soo Yoon Sung, Yun Hee Lee
The standard treatment for primary central nervous system (CNS) lymphoma is based on chemotherapy. However, there are patients who are not indicated for chemotherapy and when left untreated, the expected functional outcomes for these patients are devastating since the disease causes various neurologic symptoms. Therefore, we assessed the effects of radiotherapy as an alternative therapy in primary CNS lymphoma. Thirty-two patients were diagnosed with primary CNS lymphoma and treated with radiotherapy alone...
December 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/29290197/primary-cns-lymphoma-vs-tumefactive-multiple-sclerosis-a-diagnostic-challenge
#15
Sameen Bin Naeem, Farheen Niazi, Atif Baig, Hina Sadiq, Mubbasher Sattar
Primary CNS (central nervous system) lymphoma is a rare condition with the incidence of less than 1% of all non-Hodgkin lymphomas (NHLs) and approximately 2% of all primary brain tumours. Diagnosis can be challenging and necessitates brain biopsy for definitive diagnosis. A 41-year male presented with history of impaired cognition, facial asymmetry, visual impairment and left sided body weakness. MRI brain demonstrated multiple enhancing lesions with one larger lesion in right basal ganglia with surrounding oedema and mass effect...
January 2018: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29280764/primary-central-nervous-system-lymphoma-with-light-chain-deposition-disease-aggregoma
#16
Tyler D Boulter, Ama Sadaka, Mohammad Obadah Nakawah, Stacy V Smith, Nail Alouch, Shauna E Berry, Andrew T Whyte, Gregory N Fuller, Andrew G Lee
No abstract text is available yet for this article.
December 26, 2017: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/29260360/neonatal-hyperglycemia-induces-cell-death-in-the-rat-brain
#17
Andrea Pereira Rosa, Caroline Paula Mescka, Felipe Maciel Catarino, Alexandre Luz de Castro, Rayane Brinck Teixeira, Cristina Campos, Guilherme Baldo, Débora Dalmas Graf, Angela de Mattos-Dutra, Carlos Severo Dutra-Filho, Alex Sander da Rosa Araujo
Several studies have examined neonatal diabetes, a rare disease characterized by hyperglycemia and low insulin levels that is usually diagnosed in the first 6 month of life. Recently, the effects of diabetes on the brain have received considerable attention. In addition, hyperglycemia may perturb brain function and might be associated with neuronal death in adult rats. However, few studies have investigated the damaging effects of neonatal hyperglycemia on the rat brain during central nervous system (CNS) development, particularly the mechanisms involved in the disease...
December 19, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/29258950/myd88-mutation-in-the-elderly-predicts-a-poor-prognosis-in-primary-cns-lymphoma-multi-institutional-analysis
#18
Shingo Takano, Keiichiro Hattori, Eiichi Ishikawa, Yoshitaka Narita, Yasuo Iwadate, Fumio Yamaguchi, Motoo Nagane, Jiro Akimoto, Hidehiro Oka, Satoshi Tanaka, Mamiko Sakata, Masahide Matsuda, Tetsuya Yamamoto, Shigeru Chiba, Akira Matsumura
Recent genetic analysis of primary central nervous system lymphoma (PCNSL) showed that the MyD88 L265P mutation, which is related to NF-kB signaling, was a genetic hallmark for PCNSL; thus, it could serve as a genetic marker for diagnosis and a potential target for molecular therapy. However, the role of the MyD88 mutation in PCNSL has not been defined. In this study, we investigated the role of the MyD88 mutation and the clinical features of PCNSL-treated patients at several institutions to determine its significance as a prognostic factor...
December 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29242296/promising-activity-of-selinexor-in-the-treatment-of-a-patient-with-refractory-diffuse-large-b-cell-lymphoma-and-central-nervous-system-involvement
#19
Sabela Bobillo, Pau Abrisqueta, Cecilia Carpio, Priyanka Raheja, Josep Castellví, Marta Crespo, Francesc Bosch
No abstract text is available yet for this article.
December 14, 2017: Haematologica
https://www.readbyqxmd.com/read/29237527/-a-rhabdomyosarcoma-patient-from-a-li-fraumeni-syndrome-family-a-case-report-and-literature-review
#20
Yao Xie, Wei-Hong Zhao, Ying Hua, Qing Sun, Peng-Hui Wu
Li-Fraumeni syndrome (LFS) is a hereditary cancer predisposition syndrome, with the characteristics of early onset of cancer and high cancer incidence. TP53 is widely accepted as a pathogenic gene of LFS. A 2 years and 6 months old boy is reported in this article, who was diagnosed with embryonal rhabdomyosarcoma (RMS) in the left submandibular region. His brother died of RMS, and his grandmother was diagnosed with breast cancer. TP53 gene mutation detection was performed in this patient and some family members, indicating a missense mutation in exon 8 of the patient: c...
December 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
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