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Wu J, Zhou D, Zhu X, Zhang Y, Xiao Y. Updates of primary central nervous system lymphoma. Ther Adv Hematol 2024; 15:20406207241259010. [PMID: 38883164 PMCID: PMC11177745 DOI: 10.1177/20406207241259010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Accepted: 05/16/2024] [Indexed: 06/18/2024] Open
Abstract
Lymphoma occurring in the central nervous system is considered primary central nervous system lymphoma (PCNSL), usually without systematic lesions. Over the last few decades, a deep understanding of PCNSL has been lacking due to the low incidence rate, and the overall survival and progression-free survival of patients with PCNSL are lower than those with other types of non-Hodgkin lymphoma. Recently, there have been several advancements in research on PCNSL. Advances in diagnosis of the disease are primarily reflected in the promising diagnostic efficiency of novel biomarkers. Pathogenesis mainly involves abnormal activation of nuclear factor kappa-B signaling pathways, copy number variations, and DNA methylation. Novel therapies such as Bruton's tyrosine kinase inhibitors, immunomodulatory drugs, immune checkpoint inhibitors, and phosphoinositide 3-kinase/mammalian target of rapamycin inhibitors are being evaluated as possible treatment options for PCNSL, especially for relapsed/refractory (R/R) cases. Several clinical trials also indicated the promising feasibility and efficacy of chimeric antigen receptor T-cell therapy for selected R/R PCNSL patients. This review focuses on discussing recent updates, including the diagnosis, pathogenesis, and novel therapy of PCNSL.
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Affiliation(s)
- Jiaying Wu
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Delian Zhou
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xiaojian Zhu
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology. No. 1095 Jiefang Avenue, Qiaokou District, Wuhan, Hubei 430030, China
| | - Yicheng Zhang
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology. No. 1095 Jiefang Avenue, Qiaokou District, Wuhan, Hubei 430030, China
| | - Yi Xiao
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology. No. 1095 Jiefang Avenue, Qiaokou District, Wuhan, Hubei 430030, China
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Mikolajewicz N, Yee PP, Bhanja D, Trifoi M, Miller AM, Metellus P, Bagley SJ, Balaj L, de Macedo Filho LJM, Zacharia BE, Aregawi D, Glantz M, Weller M, Ahluwalia MS, Kislinger T, Mansouri A. Systematic Review of Cerebrospinal Fluid Biomarker Discovery in Neuro-Oncology: A Roadmap to Standardization and Clinical Application. J Clin Oncol 2024; 42:1961-1974. [PMID: 38608213 DOI: 10.1200/jco.23.01621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 01/17/2024] [Accepted: 02/26/2024] [Indexed: 04/14/2024] Open
Abstract
Effective diagnosis, prognostication, and management of CNS malignancies traditionally involves invasive brain biopsies that pose significant risk to the patient. Sampling and molecular profiling of cerebrospinal fluid (CSF) is a safer, rapid, and noninvasive alternative that offers a snapshot of the intracranial milieu while overcoming the challenge of sampling error that plagues conventional brain biopsy. Although numerous biomarkers have been identified, translational challenges remain, and standardization of protocols is necessary. Here, we systematically reviewed 141 studies (Medline, SCOPUS, and Biosis databases; between January 2000 and September 29, 2022) that molecularly profiled CSF from adults with brain malignancies including glioma, brain metastasis, and primary and secondary CNS lymphomas. We provide an overview of promising CSF biomarkers, propose CSF reporting guidelines, and discuss the various considerations that go into biomarker discovery, including the influence of blood-brain barrier disruption, cell of origin, and site of CSF acquisition (eg, lumbar and ventricular). We also performed a meta-analysis of proteomic data sets, identifying biomarkers in CNS malignancies and establishing a resource for the research community.
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Affiliation(s)
- Nicholas Mikolajewicz
- Peter Gilgan Centre for Research and Learning, Hospital for Sick Children, Toronto, ON, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
| | - Patricia P Yee
- Medical Scientist Training Program, Penn State College of Medicine, Hershey, PA
| | - Debarati Bhanja
- Department of Neurosurgery, Penn State Milton S. Hershey Medical Center, Hershey, PA
| | - Mara Trifoi
- Department of Neurosurgery, Penn State Milton S. Hershey Medical Center, Hershey, PA
| | - Alexandra M Miller
- Departments of Neurology and Pediatrics, Memorial Sloan Kettering Cancer Center, Manhattan, NY
| | - Philippe Metellus
- Department of Neurosurgery, Ramsay Santé, Hôpital Privé Clairval, Marseille, France
| | - Stephen J Bagley
- University of Pennsylvania Perelman School of Medicine, Philadelphia, PA
| | - Leonora Balaj
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | | | - Brad E Zacharia
- Department of Neurosurgery, Penn State Milton S. Hershey Medical Center, Hershey, PA
| | - Dawit Aregawi
- Department of Neurosurgery, Penn State Milton S. Hershey Medical Center, Hershey, PA
| | - Michael Glantz
- Department of Neurosurgery, Penn State Milton S. Hershey Medical Center, Hershey, PA
| | - Michael Weller
- Department of Neurology, University Hospital Zurich, Zurich, Switzerland
- Department of Neurology, University of Zurich, Zurich, Switzerland
| | - Manmeet S Ahluwalia
- Miami Cancer Institute, Baptist Health South Florida, Miami, FL
- Herbert Wertheim College of Medicine, Florida International University, Miami, FL
| | - Thomas Kislinger
- Princess Margaret Cancer Centre, Toronto, ON, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
| | - Alireza Mansouri
- Department of Neurosurgery, Penn State Milton S. Hershey Medical Center, Hershey, PA
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3
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Nguyen-Them L, Alentorn A, Ahle G, Soussain C, Mathon B, Le Garff Tavernier M, Houillier C, Hoang-Xuan K. CSF biomarkers in primary CNS lymphoma. Rev Neurol (Paris) 2023; 179:141-149. [PMID: 36336490 DOI: 10.1016/j.neurol.2022.06.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 06/04/2022] [Accepted: 06/10/2022] [Indexed: 11/06/2022]
Abstract
PCNSL is a non-Hodgkin lymphoma (NHL) affecting brain, spinal cord, eyes and leptomeninges. In the past two decades, its prognosis significantly improved due to therapeutic advances but it remains a highly aggressive tumor and early diagnosis is necessary for optimal management. Diagnosis relies on the identification of lymphoma cells in brain tissue obtained by stereotactic biopsy. Alternatively, lymphoma cells may be found in CSF through lumbar puncture (LP) or by a vitrectomy. For several reasons, the diagnosis of PCNSL may be challenging. Misleading radiological presentations are frequent. Dramatic response to steroids may bias histological analysis and deep brain location or frail health status can contraindicate brain biopsy. In the follow-up of patients who have been previously treated, differential diagnosis between tumor relapse and post-treatment may be also difficult. Therefore, the development of complementary reliable diagnostic tools is needed. This review will summarize several diagnostic or prognostic CSF biomarkers which have been proposed in PCNSL, their interests and limits.
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Affiliation(s)
- L Nguyen-Them
- Centre Hospitalier Saint Jean, 20 Avenue du Languedoc, 66000 Perpignan, France; Hôpital Pitié Salpêtrière, APHP, Sorbonne Université, 47-83 Boulevard de l'Hôpital, 75013 Paris, France.
| | - A Alentorn
- Hôpital Pitié Salpêtrière, APHP, Sorbonne Université, 47-83 Boulevard de l'Hôpital, 75013 Paris, France
| | - G Ahle
- Hôpitaux Civils de Colmar, 39 Avenue Liberté, 68024 Colmar, France
| | - C Soussain
- Institut Curie - site de Saint Cloud, 35 Rue Dailly, 92210 Saint-Cloud, France
| | - B Mathon
- Hôpital Pitié Salpêtrière, APHP, Sorbonne Université, 47-83 Boulevard de l'Hôpital, 75013 Paris, France
| | - M Le Garff Tavernier
- Hôpital Pitié Salpêtrière, APHP, Sorbonne Université, 47-83 Boulevard de l'Hôpital, 75013 Paris, France
| | - C Houillier
- Hôpital Pitié Salpêtrière, APHP, Sorbonne Université, 47-83 Boulevard de l'Hôpital, 75013 Paris, France
| | - K Hoang-Xuan
- Hôpital Pitié Salpêtrière, APHP, Sorbonne Université, 47-83 Boulevard de l'Hôpital, 75013 Paris, France
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Insights into Molecular Structure of Pterins Suitable for Biomedical Applications. Int J Mol Sci 2022; 23:ijms232315222. [PMID: 36499560 PMCID: PMC9737128 DOI: 10.3390/ijms232315222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/22/2022] [Accepted: 11/30/2022] [Indexed: 12/07/2022] Open
Abstract
Pterins are an inseparable part of living organisms. Pterins participate in metabolic reactions mostly as tetrahydropterins. Dihydropterins are usually intermediates of these reactions, whereas oxidized pterins can be biomarkers of diseases. In this review, we analyze the available data on the quantum chemistry of unconjugated pterins as well as their photonics. This gives a comprehensive overview about the electronic structure of pterins and offers some benefits for biomedicine applications: (1) one can affect the enzymatic reactions of aromatic amino acid hydroxylases, NO synthases, and alkylglycerol monooxygenase through UV irradiation of H4pterins since UV provokes electron donor reactions of H4pterins; (2) the emission properties of H2pterins and oxidized pterins can be used in fluorescence diagnostics; (3) two-photon absorption (TPA) should be used in such pterin-related infrared therapy because single-photon absorption in the UV range is inefficient and scatters in vivo; (4) one can affect pathogen organisms through TPA excitation of H4pterin cofactors, such as the molybdenum cofactor, leading to its detachment from proteins and subsequent oxidation; (5) metal nanostructures can be used for the UV-vis, fluorescence, and Raman spectroscopy detection of pterin biomarkers. Therefore, we investigated both the biochemistry and physical chemistry of pterins and suggested some potential prospects for pterin-related biomedicine.
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Yan J, Kuzhiumparambil U, Bandodkar S, Dale RC, Fu S. Cerebrospinal fluid metabolomics: detection of neuroinflammation in human central nervous system disease. Clin Transl Immunology 2021; 10:e1318. [PMID: 34386234 PMCID: PMC8343457 DOI: 10.1002/cti2.1318] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 04/26/2021] [Accepted: 07/06/2021] [Indexed: 12/15/2022] Open
Abstract
The high morbidity and mortality of neuroinflammatory diseases drives significant interest in understanding the underlying mechanisms involved in the innate and adaptive immune response of the central nervous system (CNS). Diagnostic biomarkers are important to define treatable neuroinflammation. Metabolomics is a rapidly evolving research area offering novel insights into metabolic pathways, and elucidation of reliable metabolites as biomarkers for diseases. This review focuses on the emerging literature regarding the detection of neuroinflammation using cerebrospinal fluid (CSF) metabolomics in human cohort studies. Studies of classic neuroinflammatory disorders such as encephalitis, CNS infection and multiple sclerosis confirm the utility of CSF metabolomics. Additionally, studies in neurodegeneration and neuropsychiatry support the emerging potential of CSF metabolomics to detect neuroinflammation in common CNS diseases such as Alzheimer's disease and depression. We demonstrate metabolites in the tryptophan-kynurenine pathway, nitric oxide pathway, neopterin and major lipid species show moderately consistent ability to differentiate patients with neuroinflammation from controls. Integration of CSF metabolomics into clinical practice is warranted to improve recognition and treatment of neuroinflammation.
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Affiliation(s)
- Jingya Yan
- Centre for Forensic ScienceUniversity of Technology SydneySydneyNSWAustralia
| | | | - Sushil Bandodkar
- Department of Clinical BiochemistryThe Children's Hospital at WestmeadSydneyNSWAustralia
- Clinical SchoolThe Children's Hospital at WestmeadFaculty of Medicine and HealthUniversity of SydneySydneyNSWAustralia
| | - Russell C Dale
- Clinical SchoolThe Children's Hospital at WestmeadFaculty of Medicine and HealthUniversity of SydneySydneyNSWAustralia
| | - Shanlin Fu
- Centre for Forensic ScienceUniversity of Technology SydneySydneyNSWAustralia
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Geng M, Song Y, Xiao H, Wu Z, Deng X, Chen C, Wang G. Clinical significance of interleukin-10 concentration in the cerebrospinal fluid of patients with primary central nervous system lymphoma. Oncol Lett 2021; 21:2. [PMID: 33240408 PMCID: PMC7681207 DOI: 10.3892/ol.2020.12263] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 09/11/2020] [Indexed: 11/06/2022] Open
Abstract
The diagnostic and prognostic evaluation of primary central nervous system lymphoma (PCNSL) is challenging due to the lack of sensitive biomarkers. The present study aimed to evaluate the value of interleukin (IL)-10 in this context. Between October 2016 and December 2018, 91 patients with suspected intracranial neoplasms were recruited, and the concentrations of IL-10 or IL-6 in both the cerebrospinal fluid (CSF) and blood were measured and analyzed by the Kruskal-Wallis test. The correlation between CSF IL-6 or IL-10 levels and tumor size was determined by Spearman's coefficient analysis. The receiver operating characteristic curve was used to evaluate the diagnostic value of CSF IL-6 and IL-10 levels. Median progression-free survival (PFS) and overall survival time were calculated using Kaplan-Meier survival analysis. Among the 91 patients, 3 were diagnosed with PCNSL on the basis of neuroimaging data and CSF IL-10 levels. A total of 35 cases were verified to show diffuse large B-cell lymphoma on histological assessment, 17 of which were diagnosed as PCNSL by MRI. The median PFS and OS were 8.00 months [95% confidence interval (CI), 3.94-12.06) and 17.5 months (95% CI, 11.55-23.45) respectively in the 12 PNCSL cases with regular follow up. The diagnostic efficiency of serum IL-6 levels was lower than that of serum IL-10 levels (P=0.030), which, in turn, was lower than that of CSF IL-10 levels (P<0.001). The decline and increase in CSF IL-10 levels was concurrent with improvement and deterioration in manifestation, respectively, which predated the MRI variation. High CSF IL-10 levels indicated low Karnofsky performance scale scores and shortened PFS times. CSF IL-10 levels higher than 1,000 pg/ml signified disease progression. CSF IL-10 levels could be a sensitive biomarker guiding the differential diagnosis, early recurrence detection, prognostic evaluation and therapeutic strategy establishment in cases of PCNSL.
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Affiliation(s)
- Mingying Geng
- Department of Cancer Center, Daping Hospital, Army Medical University, Chongqing 400042, P.R. China
| | - Yang Song
- Department of Cancer Center, Daping Hospital, Army Medical University, Chongqing 400042, P.R. China
| | - He Xiao
- Department of Cancer Center, Daping Hospital, Army Medical University, Chongqing 400042, P.R. China
| | - Zhiyu Wu
- Department of Clinical Laboratory, Daping Hospital, Army Medical University, Chongqing 400042, P.R. China
| | - Xiaojuan Deng
- Department of Radiology, Daping Hospital, Army Medical University, Chongqing 400042, P.R. China
| | - Chuan Chen
- Department of Cancer Center, Daping Hospital, Army Medical University, Chongqing 400042, P.R. China
| | - Ge Wang
- Department of Cancer Center, Daping Hospital, Army Medical University, Chongqing 400042, P.R. China
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Alvarez-Pinzon AM, Wolf A, Valerio JE, Borro M, Herrera D, Alonso JR. Gamma knife stereotactic radiosurgery as an effective tool in primary CNS lymphoma: Evaluation of stereotactic radiosurgery and methotrexate treatment in a prospective and observational clinical research study. Clin Neurol Neurosurg 2020; 201:106457. [PMID: 33418336 DOI: 10.1016/j.clineuro.2020.106457] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 11/18/2020] [Accepted: 12/26/2020] [Indexed: 10/22/2022]
Abstract
OBJECTIVE The purpose of this study was to compare the progression of Primary Central Nervous System Lymphoma (PCNSL) in patients treated with methotrexate (MTX) versus those treated with a combination of Stereotactic Radiosurgery (SRS) and MTX. Progression was measured via brain lesion count and tumor volume. METHODS This observational and prospective cohort study evaluated the outcome of SRS treatment of PCNSL in one hundred twenty-eight subjects. We analyzed baseline, prospective, and retrospective data of patients enrolled in the brain tumor registry between June 2010 and August 2017. Seventy-three patients were treated exclusively with MTX while the remaining fifty-five patients received a combination of SRS and MTX. Strict inclusion and exclusion criteria were established. RESULTS Mean survival rate for patients receiving combined SRS and MTX treatment was significantly higher (52.6 months) compared to the MTX group (19.8 months); p = 0.0029. At the 36 months follow-up, patients treated with SRS and MTX also had a lower rate of tumor progression (32.7 %) than the MTX group (95.9 %); p = 0.00192. Local tumor control was achieved in all patients treated with SRS. No clinical toxicity was observed in this group. CONCLUSIONS Clinical results obtained from this observational study highlight the potential effectiveness of SRS in the treatment of PCNSL. Although treatment outcomes have improved in the past years, additional evidence in the clinical design of randomized trials is needed to evaluate the strength of this treatment in specific situations.
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Affiliation(s)
- Andres M Alvarez-Pinzon
- Neurosurgery Oncology Department, Miami Neurosciences Center at Larkin, South Miami, FL, United States; The Institute of Neuroscience of Castilla y León (INCYL), University of Salamanca (USAL), Salamanca, Spain; University California, San Francisco, Department of Neurological Surgery, Skull Base and Cerebrovascular Laboratory, CA, United States.
| | - Aizik Wolf
- Neurosurgery Oncology Department, Miami Neurosciences Center at Larkin, South Miami, FL, United States
| | - Jose E Valerio
- Neurosurgery Oncology Department, Miami Neurosciences Center at Larkin, South Miami, FL, United States
| | - Matteo Borro
- Neurosurgery Oncology Department, Miami Neurosciences Center at Larkin, South Miami, FL, United States
| | - Daniela Herrera
- Nova Southeastern University, Fort Lauderdale, FL, United States
| | - Jose Ramon Alonso
- The Institute of Neuroscience of Castilla y León (INCYL), University of Salamanca (USAL), Salamanca, Spain
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Hu NN, Zhang MM, Chen YY, Zhu BL. Primary central nervous system lymphoma with no enhancement initially and no significant progression over a long term: a case report and review of the literature. Int J Neurosci 2018; 129:303-307. [PMID: 30207801 DOI: 10.1080/00207454.2018.1523159] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Ning-ning Hu
- Department of Medicine, First Clinical Medical School, Wenzhou Medical University, Wenzhou, China
| | - Man-man Zhang
- Department of Neurology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yan-yan Chen
- Department of Neurology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Bei-lei Zhu
- Department of Neurology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
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Geng M, Xiao H, Liu J, Song Y, Fu P, Cheng X, Zhang J, Wang G. The diagnostic role and dynamic changes in cerebrospinal fluid neopterin during treatment of patients with primary central nervous system lymphoma. Cancer Med 2018; 7:3889-3898. [PMID: 29982995 PMCID: PMC6089159 DOI: 10.1002/cam4.1581] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 05/03/2018] [Accepted: 05/06/2018] [Indexed: 12/28/2022] Open
Abstract
This study aimed at evaluating the diagnostic and prognostic role of neopterin (Npt) concentration in the cerebrospinal fluid (CSF) of patients with primary central nervous system lymphoma (PCNSL). Ninety‐nine patients were enrolled in this retrospective study; these included patients with PCNSL (n = 21), other brain tumors (n = 44), and inflammatory diseases (n = 34). CSF Npt concentration was measured using ELISA. Receiver operating characteristic (ROC) curve analysis was performed to assess the discriminative ability of CSF Npt concentration for the diagnosis of PCNSL. CSF Npt concentration in patients with PCNSL was significantly higher than that in patients with other brain tumors and inflammatory diseases (P < .001). On ROC curve analysis, the optimal cutoff CSF Npt level of 10.77 ng/mL for the diagnosis of PCNSL and the diagnostic yield of MRI were increased when used in conjunction with CSF Npt concentration. The CSF Npt concentrations in PCNSL patients with multiple lesions were significantly higher than those in patients with a single lesion. Changes in CSF Npt concentration were consistent with post‐treatment changes in tumor sizes. The CSF Npt concentration may be a good biomarker for the diagnosis, for monitoring of disease course, and for prognostic evaluation of patients with PCNSL.
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Affiliation(s)
- Mingying Geng
- Cancer Center, Institute of Surgery Research, Third Affiliated Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - He Xiao
- Cancer Center, Institute of Surgery Research, Third Affiliated Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Jiaqi Liu
- Department of Clinical Laboratory, Institute of Surgery Research, Third Affiliated Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Yang Song
- Cancer Center, Institute of Surgery Research, Third Affiliated Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Ping Fu
- Department of Pathology, Institute of Surgery Research, Third Affiliated Hospital, Army Medical University (Third Military Medical University), Chongqin, China
| | - Xing Cheng
- Department of Neurosurgery, Chongqing Cancer Hospital, Chongqing, China
| | - Jinwei Zhang
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Ge Wang
- Cancer Center, Institute of Surgery Research, Third Affiliated Hospital, Army Medical University (Third Military Medical University), Chongqing, China
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