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EBV Review

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https://www.readbyqxmd.com/read/28211234/lymphoepithelioma-like-carcinoma-of-cervix-cytological-features-on-conventional-cervical-smear
#1
Ruchi Rathore, Vinod K Arora, Bharat Singh
Lymphoepithelioma-like carcinoma (LELC) is a rare neoplasm of the cervix. The importance of distinguishing this undifferentiated carcinoma with a predominant lymphocytic infiltrate lies in the fact that despite being poorly differentiated they have a better prognosis. The diagnosis however becomes more challenging when the pathologist is provided with a small cervical biopsy or a Papanicolaou smear. While the reports describing histology and their relation to Epstein-Barr virus (EBV) are many, there are only few case reports describing the cytology of these tumors...
March 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28196776/ebv-induced-lymphoproliferative-disorders-in-rheumatic-patients-a-systematic-review-of-the-literature
#2
Alvise Berti, Mara Felicetti, Susanna Peccatori, Roberto Bortolotti, Anna Guella, Paolo Vivaldi, Luca Morelli, Mattia Barabareschi, Giuseppe Paolazzi
OBJECTIVES: Epstein-Barr virus (EBV) is involved in the pathogenesis of approximately 40% of lymphoproliferative disorders (LPDs) arising in patients receiving immunosuppressive treatment (IST) for rheumatic diseases, but data from large cohorts are still not available. We aimed to identify clinicopathological features, management and outcome of this condition. METHODS: We reviewed all published cases of EBV-encoded RNA (EBER)-positive LPDs and included in our analysis one unpublished patient diagnosed in our Hospital...
February 11, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28195879/fibrin-associated-ebv-positive-large-b-cell-lymphoma-an-indolent-neoplasm-with-features-distinct-from-diffuse-large-b-cell-lymphoma-associated-with-chronic-inflammation
#3
Daniel F Boyer, Penelope A McKelvie, Laurence de Leval, Kerstin L Edlefsen, Young-Hyeh Ko, Zachary A Aberman, Alexandra E Kovach, Aneal Masih, Ha T Nishino, Lawrence M Weiss, Alan K Meeker, Valentina Nardi, Maryknoll Palisoc, Lina Shao, Stefania Pittaluga, Judith A Ferry, Nancy Lee Harris, Aliyah R Sohani
Incidental cases of localized fibrin-associated Epstein-Barr virus (EBV)+ large B-cell proliferations have been described at unusual anatomic sites and have been included in the category of diffuse large B-cell lymphoma associated with chronic inflammation (DLBCL-CI) in the WHO Classification. We describe 12 cases and review the literature to define their clinicopathologic spectrum and compare features with typical cases of DLBCL-CI. Median age was 55.5 years with a M:F ratio of 3. In all 12 cases, the lymphoma was an incidental microscopic finding involving atrial myxomas (n=3), thrombi associated with endovascular grafts (n=3), chronic hematomas (n=2), and pseudocysts (n=4)...
March 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28194287/acute-acalculous-cholecystitis-a-rare-presentation-of-primary-epstein-barr-virus-infection-in-adults-case-report-and-review-of-the-literature
#4
Zuhal Yesilbag, Asli Karadeniz, Fatih Oner Kaya
Primary Epstein-Barr virus (EBV) infection is almost always a self-limited disease characterized by sore throat, fever, and lymphadenopathy. Hepatic involvement is usually characterized by mild elevations of aminotransferases and resolves spontaneously. Although isolated gallbladder wall thickness has been reported in these patients, acute acalculous cholecystitis is an atypical presentation of primary EBV infection. We presented a young women admitted with a 10-day history of fever, nausea, malaise who had jaundice and right upper quadrant tenderness on the physical examination...
2017: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/28191298/asymptomatic-epstein-barr-virus-shedding-in-the-urine-of-kidney-transplant-recipients-case-reports-and-review-of-the-literature
#5
Maryam Rahbar, Gholamreza Poormand, Masoud Karkhaneh Mahmoodi, Aboozar Jazayeri, Seyed Mohammad Jazayeri
Epstein-Barr virus (EBV) is associated with a wide range of malignancies and complications like post-transplant lymphoproliferative disorder (PTLD). To suppress active EBV infection in transplant recipients, who are at a heightened risk of developing PTLD, EBV DNAemia monitoring has been recommended. Quantitative multiplex real time polymerase chain reaction (QMRTPCR) offered the advantage of detection of more than one target in the same sample. We present four cases of kidney transplant recipient who were admitted for rising serum creatinine between 9 and 20 months post-transplant with a suspicion of BKV-associated nephropathy...
December 31, 2016: Infectious Disease Reports
https://www.readbyqxmd.com/read/28180998/the-prognostic-value-and-pathobiological-significance-of-glasgow-microenvironment-score-in-gastric-cancer
#6
Zhi-Hua Zhou, Cheng-Dong Ji, Jiang Zhu, Hua-Liang Xiao, Hai-Bin Zhao, You-Hong Cui, Xiu-Wu Bian
PURPOSE: To evaluate the prognostic value and pathobiological significance of Glasgow microenvironment score (GMS), a parameter based on tumor stroma percentage and inflammatory cell infiltration, in gastric cancer. METHODS: A total of 225 cases of gastric cancer were histologically reviewed, and GMS was evaluated for each case. The association between GMS and patients' survival was investigated. Then the relationship between GMS and mismatch repair (MMR) status, Epstein-Barr virus (EBV) infection were determined using immunohistochemistry (IHC) and in situ hybridization, and the expression of PD1/PD-L1 was examined...
February 8, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28176656/outlook-on-epigenetic-therapeutic-approaches-for-treatment-of-gastric-cancer
#7
Petra Hudler
The incidence of gastric cancer has been declining globally in the last decades. Despite the improvements in the diagnostic procedures, most cases are still detected at advanced stages due to lack of specific symptoms associated with early phases of tumour development. Consequently, gastric cancer poses a major health burden worldwide due to high mortality rates. Continuing advances in high-throughput technologies are revealing an intricate network of genetic and epigenetic changes associated with carcinogenesis...
February 3, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28149767/metastatic-lymphoepithelioma-like-carcinoma-of-the-lung-treated-with-nivolumab-a-case-report-and-focused-review-of-literature
#8
Chul Kim, Arun Rajan, Pedro A DeBrito, Giuseppe Giaccone
In recent years, significant advances have been made in cancer immunotherapy. Here, we present the first report of a patient with lymphoepithelioma-like carcinoma (LELC) of the lung, an Epstein-Barr virus (EBV)-associated lung cancer, who was treated with nivolumab, a fully human IgG4 anti-PD-1 monoclonal antibody. We also carry out a focused review to identify and examine studies of LELC of the lung in the literature. This case report highlights the need to further assess the role of immune checkpoint inhibitors in LELC of the lung...
December 2016: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28122468/kshv-associated-extracavitary-primary-effusion-lymphoma-in-an-hiv-seronegative-patient-a-case-report-and-review-of-the-literature
#9
Uroosa Ibrahim, Amina Saqib, Farhan Mohammad, Juan Ding, Shafinaz Hussein, Jean Paul Atallah
Primary effusion lymphoma (PEL) is a rare type of non-Hodgkin's lymphoma presenting as a lymphomatous effusion and absence of a solid tumor mass. Extracavitary PEL (EC-PEL) is a subtype of PEL with the absence of an effusion but presence of solid tumor. PEL and EC-PEL share the same histopathologic and immunophenotypic features. Kaposi sarcoma-associated herpesvirus (KSHV) positivity is seen universally in these malignancies and is a requisite for diagnosis. Most cases are seen to occur in HIV positive individuals...
January 26, 2017: Postgraduate Medicine
https://www.readbyqxmd.com/read/28119438/atraumatic-splenic-rupture-secondary-to-epstein-barr-virus-infection
#10
Jessica Barnwell, Paramjeet Singh Deol
We present a case report of atraumatic splenic rupture secondary to Epstein-Barr virus (EBV) infection. A woman aged 36 years presented to a London teaching hospital's Accident and Emergency department with severe abdominal pain following a 6-day history of diarrhoea and vomiting, which had been under review by her GP. A CT scan demonstrated free intraperitoneal fluid and abnormal appearance of her spleen. Blood tests demonstrated EBV infection with positive serology and leucocytosis. She underwent a laparoscopic washout, which confirmed a subcapsular splenic haematoma that was initially managed conservatively...
January 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28118740/epstein-barr-virus-gene-expression-and-latency-pattern-in-gastric-carcinomas-a-systematic-review
#11
Joana Ribeiro, Cláudia Oliveira, Mariana Malta, Hugo Sousa
METHODS: A systematic review of literature was conducted to identify all published reports regarding the expression of Epstein-Barr Virus (EBV) proteins/transcripts and EBV latency patterns in EBV-associated gastric carcinomas (EBVaGC). RESULTS: The literature search retrieved 247 papers, of which 25 papers matched the inclusion criteria. The analysis reveals that the most frequently expressed EBV latent proteins are EBNA1 (98.1%) and LMP2A (53.8%), while LMP1 and LMP2B are present in only 10% of cases...
January 25, 2017: Future Oncology
https://www.readbyqxmd.com/read/28115308/a-supporting-role-of-chinese-national-immortalized-cell-bank-in-life-science-research
#12
Xu Chongfeng, Duan Ziyuan
A biorepository of human samples is essential to support the research of life science. Lymphoblastoid B cell line (LCL), which is easy to be prepared and can reproduce indefinitely, is a convenient form of sample preservation. LCLs are established from human B cells transformed by Epstein-Barr virus (EBV). Chinese National Immortalized Cell Bank has preserved human LCLs from different ethnic groups in China. As there are many studies on the nature of LCLs and public available resources with genome-wide data for LCLs, they have been widely applied in genetics, immunology, pharmacogenetics/genomics, regenerative medicine, cancer pathogenesis and immunotherapy, screening and generation of fully human neutralizing monoclonal antibodies and study on EBV pathogenesis...
January 20, 2017: Yi Chuan, Hereditas
https://www.readbyqxmd.com/read/28111039/-current-events-in-immunotherapy-for-upper-aerodigestive-tract-cancer
#13
Sophie Outh-Gauer, Christophe Le Tourneau, Chloé Broudin, Florian Scotte, Hélène Roussel, Stéphane Hans, Marion Mandavit, Eric Tartour, Cécile Badoual
Head and neck (HN) carcinomas (mostly represented by squamous cell carcinomas [SCC]) still have a poor prognosis, which could be dramatically improved with immunotherapy. Tumor's microenvironment changes, caused by many endogenous or exogenous events, can correlate with prognosis and therapeutic response. Here, we review recent data regarding HNSCC, nasopharyngeal carcinomas (NPC) and salivary gland malignant tumors, all three being potential target of immunotherapies. About half of HNSCC exhibit PD-L1 expression, this expression being upregulated in HPV-positive tumors...
January 19, 2017: Annales de Pathologie
https://www.readbyqxmd.com/read/28108590/human-immunity-against-ebv-lessons-from-the-clinic
#14
REVIEW
Stuart G Tangye, Umaimainthan Palendira, Emily S J Edwards
The mammalian immune system has evolved over many millennia to be best equipped to protect the host from pathogen infection. In many cases, host and pathogen have coevolved, each acquiring sophisticated ways of inducing or protecting from disease. Epstein-Barr virus (EBV) is a human herpes virus that infects >90% of individuals. Despite its ubiquity, infection by EBV is often subclinical; this invariably reflects the necessity of the virus to preserve its host, balanced with sophisticated host immune mechanisms that maintain viral latency...
February 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28065463/primary-cutaneous-b-cell-lymphomas-with-large-cell-predominance-primary-cutaneous-follicle-center-lymphoma-diffuse-large-b-cell-lymphoma-leg-type-and-intravascular-large-b-cell-lymphoma
#15
Charity B Hope, Laura B Pincus
In this review, we present clinical features and detailed histopathologic, immunologic, and molecular information regarding primary cutaneous follicle center lymphoma and primary cutaneous diffuse large B-cell lymphoma, leg type which together represent two of the three most common types of primary cutaneous B-cell lymphoma recognized in the current WHO classification system.(1,2) Overall, B-cell lymphomas represent 19-27% of primary cutaneous lymphomas in most large European and American studies(3-6) and together, primary cutaneous follicle center lymphoma and primary cutaneous diffuse large B-cell lymphoma, leg type account for approximately 2/3 to ¾ of these cases...
December 2, 2016: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/28060369/virus-associated-neoplasms-of-the-nasopharynx-and-sinonasal-tract-diagnostic-problems
#16
John Kc Chan
A significant fraction of nasopharyngeal and sinonasal tumors are associated with Epstein-Barr virus (EBV) or human papillomavirus (HPV). Nasopharyngeal carcinoma (NPC) and extranodal NK/T-cell lymphoma harbor EBV in practically all cases, although a small proportion of cases of the former harbor HPV. Sinonasal inverted papillomas harbor HPV in about 25% of cases. Sinonasal squamous cell carcinomas harbor transcriptionally active HPV in about 20% of cases, and limited data suggest that this subset has a better prognosis than the HPV-negative subset...
January 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28058224/persistent-epstein-barr-viral-load-in-epstein-barr-viral-na%C3%A3-ve-pediatric-heart-transplant-recipients-risk-of-late-onset-post-transplant-lymphoproliferative-disease
#17
Bibhuti Das, Robert Morrow, Rong Huang, David Fixler
AIM: To examine the risk of late-onset post-transplant lymphoproliferative disorder (PTLD) in the presence of persisting high Epstein-Barr virus (EBV) in EBV naïve pediatric heart transplant (HT) recipients. METHODS: A retrospective review of the medical records of the 145 pediatric HT recipients who had serial EBV viral load monitoring at our center was performed. We defined EBV naive patients whose EBV serology either IgM or IgG in the blood were negative at the time of HT and excluded passive transmission from mother to child in subjects less than 6 mo of age...
December 24, 2016: World Journal of Transplantation
https://www.readbyqxmd.com/read/28056294/-the-understanding-of-epstein-barr-virus-associated-lymphoproliferative-disorder
#18
X G Zhou, Y L Zhang, J L Xie, Y H Huang, Y Y Zheng, W S Li, H Chen, F Liu, H X Pan, P Wei, Z Wang, Y C Hu, K Y Yang, H L Xiao, M J Wu, W H Yin, K Y Mei, G Chen, X C Yan, G Meng, G Xu, J Li, S F Tian, J Zhu, Y Q Song, W J Zhang
In recent years, there are increasing articles concerning Epstein-Barr virus associated lymphoproliferative disorder (EBV+ LPD), and the name of EBV+ LPD is used widely. However, the meaning of EBV+ LPD used is not the same, which triggered confusion of the understanding and obstacles of the communication. In order to solve this problem. Literature was reviewed with combination of our cases to clarify the concept of EBV+ LPD and to expound our understanding about it. In general, it is currently accepted that EBV+ LPD refers to a spectrum of lymphoid tissue diseases with EBV infection, including hyperplasia, borderline lesions, and neoplastic diseases...
December 8, 2016: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28017222/association-between-human-herpesvirus-human-endogenous-retrovirus-and-ms-onset-progression
#19
REVIEW
Chunrong Tao, Steve Simpson, Bruce V Taylor, Ingrid van der Mei
This review discusses the role of Epstein-Barr virus (EBV), human herpesvirus 6 (HHV6) and human endogenous retroviruses (HERVs) in the onset and progression of multiple sclerosis (MS). Although EBV has been established as one of the causal factors in MS onset, its role in MS progression is still uncertain. Moreover, interactions between EBV and other risk factor on MS development still need more investment. With less consistent evidence than EBV, HHV6 has also been implicated in the pathogenesis of MS; moreover, it showed a closer connection with the disease activity...
January 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28008927/immunotherapy-against-cancer-related-viruses
#20
REVIEW
Haruko Tashiro, Malcolm K Brenner
Approximately 12% of all cancers worldwide are associated with viral infections. To date, eight viruses have been shown to contribute to the development of human cancers, including Epstein-Barr virus (EBV), Hepatitis B and C viruses, and Human papilloma virus, among others. These DNA and RNA viruses produce oncogenic effects through distinct mechanisms. First, viruses may induce sustained disorders of host cell growth and survival through the genes they express, or may induce DNA damage response in host cells, which in turn increases host genome instability...
January 2017: Cell Research
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