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HIV lymphoma

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https://www.readbyqxmd.com/read/29220699/hiv-1-tat-protein-induces-dna-damage-in-human-peripheral-blood-b-lymphocytes-via-mitochondrial-ros-production
#1
Rawan El-Amine, Diego Germini, Vlada V Zakharova, Tatyana Tsfasman, Eugene V Sheval, Ruy A N Louzada, Corinne Dupuy, Chrystèle Bilhou-Nabera, Aline Hamade, Fadia Najjar, Eric Oksenhendler, Marс Lipinski, Boris V Chernyak, Yegor S Vassetzky
Human immunodeficiency virus (HIV) infection is associated with B-cell malignancies in patients though HIV-1 is not able to infect B-cells. The rate of B-cell lymphomas in HIV-infected individuals remains high even under the combined antiretroviral therapy (cART) that reconstitutes the immune function. Thus, the contribution of HIV-1 to B-cell oncogenesis remains enigmatic. HIV-1 induces oxidative stress and DNA damage in infected cells via multiple mechanisms, including viral Tat protein. We have detected elevated levels of reactive oxygen species (ROS) and DNA damage in B-cells of HIV-infected individuals...
December 5, 2017: Redox Biology
https://www.readbyqxmd.com/read/29209924/treatment-of-sporadic-burkitt-lymphoma-in-adults-a-retrospective-comparison-of-four-treatment-regimens
#2
L E M Oosten, M E D Chamuleau, F W Thielen, L C de Wreede, C Siemes, J K Doorduijn, O S Smeekes, M J Kersten, L Hardi, J W Baars, A M P Demandt, W B C Stevens, M Nijland, G W van Imhoff, R Brouwer, C A Uyl-de Groot, P M Kluin, D de Jong, H Veelken
Burkitt lymphoma is an aggressive B cell malignancy accounting for 1-2% of all adult lymphomas. Treatment with dose-intensive, multi-agent chemotherapy is effective but associated with considerable toxicity. In this observational study, we compared real-world efficacy, toxicity, and costs of four frequently employed treatment strategies for Burkitt lymphoma: the Lymphome Malins B (LMB), the Berlin-Frankfurt-Münster (BFM), the HOVON, and the CODOX-M/IVAC regimens. We collected data from 147 adult patients treated in eight referral centers...
December 6, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/29206290/primary-effusion-lymphoma-in-taiwan-shows-two-distinctive-clinicopathological-subtypes-with-rare-hiv-association
#3
Bo-Jung Chen, Ran-Ching Wang, Chung-Han Ho, Chang-Tsu Yuan, Wan-Ting Huang, Sheau-Fang Yang, Pin-Pen Hsieh, Yun-Chih Yung, Shih-Yao Lin, Chen-Fang Hsu, Ying-Zhen Su, Chun-Chi Kuo, Shih-Sung Chuang
AIMS: To investigate the clinicopatholoigcal and molecular features of primary effusion lymphoma (PEL) in Taiwan and the association with HIV, HHV8, and EBV. METHODS AND RESULTS: We retrospectively investigated 26 cases with a median age of 76.5. Only one (4%) patient was infected with HIV. Cytologically, all lymphoma cells revealed typical immunoblastic to plasmablastic morphology. Immunohistochemically, HHV8 was positive in 8 (32%) tumours, negative in 17 (68%) cases...
December 5, 2017: Histopathology
https://www.readbyqxmd.com/read/29198183/18f-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-imaging-in-hiv-infected-patients-with-lymphadenopathy-with-or-without-fever-and-or-splenomegaly
#4
L Jain, S Mackenzie, J B Bomanji, R Shortman, M Noursadeghi, S G Edwards, R F Miller
We audited whether 18F-Fluorodeoxyglucose positron emission tomography-computed tomography (18FDG PET-CT) imaging could discriminate between different diagnoses in HIV-infected patients presenting with lymphadenopathy, with or without fever and/or splenomegaly. Maximum standardised uptake (SUVmax) values were similar in lymphoma and mycobacterial and fungal infections and were lower but similar in those with human herpesvirus (HHV) 8-associated disease and HIV-associated reactive lymphadenopathy. Nodal 18FDG avidity, with SUVmax ≥10, excluded diagnoses of HHV 8-associated disease and miscellaneous conditions, and HIV-associated reactive lymphadenopathy was additionally excluded in those who had undetectable plasma HIV viral loads...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/29190181/identifying-opportunities-to-bridge-disparity-gaps-in-curing-childhood-cancer-in-malawi-malignancies-with-excellent-curative-potential-account-for-the-majority-of-diagnoses
#5
Nader Kim El-Mallawany, Peter Wasswa, Idah Mtete, Mercy Mutai, Christopher C Stanley, Mary Mtunda, Mary Chasela, Atupele Mpasa, Stella Wachepa, William Kamiyango, Jimmy Villiera, Peter N Kazembe, Parth S Mehta
The majority of African children with cancer die without access to resources. We describe efforts to build a public treatment program with curative intent for childhood cancer in Lilongwe, Malawi despite severe limitations in diagnostic and therapeutic resources. We retrospectively analyzed a cohort of childhood cancer patients at Kamuzu Central Hospital from 12/2011-6/2013. Consistently available chemotherapeutic agents were limited to cyclophosphamide, vincristine, doxorubicin, bleomycin, methotrexate, and prednisone...
November 30, 2017: Pediatric Hematology and Oncology
https://www.readbyqxmd.com/read/29187222/unusual-presentation-of-plasmablastic-lymphoma-involving-ovarian-mature-cystic-teratoma-a-case-report
#6
Ita Hadžisejdić, Emina Babarović, Luka Vranić, Antica Duletić Načinović, Ksenija Lučin, Maja Krašević, Nives Jonjić
BACKGROUND: Plasmablastic lymphoma (PBL) is relatively new clinical entity described as a distinct subtype of diffuse large B-cell lymphoma (DLBCL). It is characterized by its aggressive nature and proliferation of large neoplastic cells resembling immunoblasts including cells with more obvious plasmacytic differentiation. In this case report, we describe an unexpected finding of PBL associated with a mature cystic teratoma of the ovary in a young immune competent woman. CASE PRESENTATION: A 19-year old woman was admitted to the hospital with generalized lymphadenopathy, a pelvic tumor mass measuring 35 × 30 cm and a 4 cm lump in her right breast...
November 29, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/29172204/-primary-intracranial-malignant-lymphoma-associated-with-acquired-immunodeficiency-syndrome-aids-a-case-report
#7
Yasufumi Inaka, Naoki Otani, Sho Nishida, Kazuya Fujii, Hideaki Ueno, Satoshi Tomura, Arata Tomiyama, Hideo Osada, Kojiro Wada, Takuya Maeda, Kentaro Mori
The spread of human immunodeficiency virus(HIV)infection may result in an increased likelihood of surgery in patients with HIV infection. We treated a patient with intracranial malignant lymphoma associated with acquired immunodeficiency syndrome(AIDS)caused by HIV infection. The recommendations of the countermeasure manual for AIDS were followed. Only surgical staff without finger injury or inflammation were permitted to be involved in the operation. All staff were dressed in a waterproof, full-body surgical gown, and wore double gloves, double foot covers, and an N95 mask...
November 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/29160731/combination-antiretroviral-therapy-accelerates-immune-recovery-in-patients-with-hiv-related-lymphoma-treated-with-epoch-a-comparison-within-one-prospective-trial-amc034
#8
Carlyn Rose C Tan, Stefan K Barta, Jeannette Lee, Michelle A Rudek, Joseph A Sparano, Ariela Noy
Drug-drug interactions between cART and chemotherapy may impact HIV and lymphoma control or lead to increased toxicities. No prospective comparative data informs potential harms and benefits. In AMC034, HIV-associated high-grade B-cell NHL patients received DA-EPOCH with rituximab. cART was given with EPOCH or delayed until chemotherapy completion per investigator choice. Pharmacokinetic, immunological, and treatment effects of concurrent cART were evaluated. CD4 counts dropped during EPOCH in both groups but recovered to higher than baseline 6 months post-EPOCH only in the cART group...
November 21, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29157168/burkitt-non-hodgkin-lymphoma-presenting-with-mental-neuropathy-numb-chin-syndrome-in-an-hiv-positive-patient
#9
N Vora, H Haryee, J C Dickson, R F Miller
Mental nerve neuropathy is usually due to local trauma or dental causes, but may be a manifestation of malignancy. A patient with virologically controlled human immunodeficiency virus (HIV) infection presented with a 'numb chin' on the background of long-standing night sweats, malaise and weight loss, worsening respiratory symptoms, and lymphadenopathy. Burkitt non-Hodgkin lymphoma was diagnosed from histology of a lymph node. Imaging (magnetic resonance imaging and 18fluorodeoxyglucose [FDG]-positron emission tomography-computed tomography [PET-CT]) showed abnormal intracranial enhancement of the right mandibular nerve and extensive 18FDG-avid lymphadenopathy above and below the diaphragm, focal lesions in the spleen and within the right mandible...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/29149022/pyogenic-brain-abscess-caused-by-peptostreptococcus-in-a-patient-with-hiv-1-infection
#10
Jose Armando Gonzales Zamora, Luis Alberto Espinoza
In the setting of HIV, cerebral lesions are usually secondary to lymphoma and opportunistic infections; however, in patients with CD4 counts above 200 cells/uL, other pathologies such as pyogenic brain abscess could gain importance. The microbiology of pyogenic brain abscess has Staphylococcus and Streptococcus as the leading etiologic pathogens in immunocompetent individuals. Peptostreptococcus is also recognized as a common cause of brain abscess in this patient population. In HIV-infected individuals, there have been sporadic reports of Peptostreptococcus infections but none of brain abscess...
November 17, 2017: Diseases (Basel)
https://www.readbyqxmd.com/read/29147860/18f-fdg-pet-ct-in-primary-brain-lymphoma
#11
Domenico Albano, Giovanni Bosio, Mattia Bertoli, Raffaele Giubbini, Francesco Bertagna
The actual role of 18F-FDG PET/CT in evaluating primary brain lymphoma is still an open issue. Brain lymphoma usually show elevated 18F-FDG uptake, often higher than other brain tumors or inflammatory processes, but the metabolic behavior of this lymphoma is not still understood. Our aim was to investigate the particular metabolic behavior of this lymphoma. Forty six patients (21 female, 25 male) with histologically-confirmed brain lymphoma who underwent 18F-FDG PET/CT from vertex to the mid-thigh for initial staging were retrospectively evaluated...
November 17, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29145302/burkitt-lymphoma-and-cavernous-sinus-syndrome-with-breast-uptake-on-18f-fdg-pet-ct-a-case-report
#12
Florette Reyneke, Neo Mokgoro, Mariza Vorster, Mike Sathekge
RATIONALE: Burkitt lymphoma (BL) is a type of non-Hodgkin lymphoma that arises in the B-cells. Cavernous sinus involvement is rare, especially in adults. Here we report an unusual case of a 30-year-old HIV-positive woman with BL and cavernous sinus syndrome who also had intense bilateral breast uptake, related to menstrual cycle. Fluorine-18 2-fluoro-2-deoxyglucose (18F-FDG) positron emission tomography/computed tomography (PET/CT) has been found to be useful in the management of BL. PATIENT CONCERNS: A 30-year old female patient presented with a history of diplopia and headache...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29143319/the-full-spectrum-of-castleman-disease-273-patients-studied-over-20%C3%A2-years
#13
Eric Oksenhendler, David Boutboul, David Fajgenbaum, Adrien Mirouse, Claire Fieschi, Marion Malphettes, Laetitia Vercellino, Véronique Meignin, Laurence Gérard, Lionel Galicier
The spectrum of Castleman disease (CD) has considerably extended since its first description in 1956. Recently, an international collaborative working group has reached consensus on the diagnostic criteria and classification of CD. We herein report 273 patients with lymph node histopathology consistent with CD and investigate the newly established diagnostic criteria. Twenty of these patients with Castleman-like histopathology were removed from analyses, because they were diagnosed with an exclusionary disorder (18 with haematological malignancy)...
November 16, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/29132694/unrelated-immunodeficiency-states-may-impact-outcomes-and-immune-checkpoint-molecule-expression-in-patients-with-mycosis-fungoides-a-clinicopathologic-case-control-study
#14
Shay Warren, Meenal Kheterpal, Patricia L Myskowski, Alison Moskowitz, Steven M Horwitz, Melissa P Pulitzer
BACKGROUND: Immunodeficiency (ID) correlates with worse outcomes and decreased immune checkpoint molecule expression in melanoma. The impact of ID in mycosis fungoides (MF) is unknown. OBJECTIVE: Our goal was to evaluate the impact of ID in MF. METHODS: We conducted a case-control study of 17 patients with MF and ID versus age-, stage-, and race-matched controls as a subset of a comparative analysis of 23 patients with MF with ID (prior lymphoma, recent/current pregnancy, HIV, hypogammaglobulinemia, and prior chemotherapy) versus without ID...
November 10, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29131849/modelling-the-cost-effectiveness-of-hiv-care-shows-a-clear-benefit-when-transmission-risk-is-considered-in-the-calculations-a-message-for-central-and-eastern-europe
#15
Justyna D Kowalska, Grzegorz Wójcik, Jakub Rutkowski, Magdalena Ankiersztejn-Bartczak, Ewa Siewaszewicz
BACKGROUND: HIV epidemic remains a major global health issue. Data from cost-effectiveness analyses base on CD4+ count and morbidity in patients with symptomatic and asymptomatic HIV infection. The approach adopted in these analyses includes many other factors, previously not investigated. Additionally, we evaluate the impact of sexual HIV transmission due to delayed cART on the cost-effectiveness of care. METHODS: A lifetime Markov model (1-month cycle) was developed to estimate the cost per quality adjusted life years (QALY) for a 1- and 3-year delay in starting cART (as compared to starting immediately at linkage to care) lifetime costs, clinical outcomes and cost-effectiveness...
2017: PloS One
https://www.readbyqxmd.com/read/29123514/assessment-of-the-combined-effect-of-epstein-barr-virus-and-plasmodium-falciparum-infections-on-endemic-burkitt-lymphoma-using-a-multiplex-serological-approach
#16
Ruth Aguilar, Delphine Casabonne, Cristina O'Callaghan-Gordo, Marta Vidal, Joseph J Campo, Nora Mutalima, Evelina Angov, Sheetij Dutta, Deepak Gaur, Chetan E Chitnis, Virander Chauhan, Angelika Michel, Silvia de Sanjosé, Tim Waterboer, Manolis Kogevinas, Rob Newton, Carlota Dobaño
Epstein-Barr virus (EBV) is a necessary cause of endemic Burkitt lymphoma (eBL), while the role of Plasmodium falciparum in eBL remains uncertain. This study aimed to generate new hypotheses on the interplay between both infections in the development of eBL by investigating the IgG and IgM profiles against several EBV and P. falciparum antigens. Serum samples collected in a childhood study in Malawi (2005-2006) from 442 HIV-seronegative children (271 eBL cases and 171 controls) between 1.4 and 15 years old were tested by quantitative suspension array technology against a newly developed multiplex panel combining 4 EBV antigens [Z Epstein-Barr replication activator protein (ZEBRA), early antigen-diffuse component (EA-D), EBV nuclear antigen 1, and viral capsid antigen p18 subunit (VCA-p18)] and 15 P...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29105119/lymphoproliferative-disorders-with-concurrent-hhv8-and-ebv-infection-beyond-primary-effusion-lymphoma-and-germinotropic-lymphoproliferative-disorder
#17
Wei Wang, Rashmi Kanagal-Shamanna, Jeffrey L Medeiros
AIMS: Lymphoproliferative disorders (LPD) characterized by human herpesvirus 8 (HHV8) and Epstein-Barr virus (EBV) infection are rare and two entities are included in the World and Health Organization classification: primary effusion lymphoma (PEL) and germinotropic LPD. These two entities have very different clinicopathological presentations and prognosis. Here we describe two cases of HHV8-positive, EBV-positive lymphoma with clinicopathological features that are not consistent with either PEL or germinotropic LPD...
November 3, 2017: Histopathology
https://www.readbyqxmd.com/read/29099538/how-immunologic-and-genetic-biomarkers-impact-hodgkin-lymphoma-classification-diagnosis-and-management-a-huge-potential-that-yet-needs-to-be-exploited
#18
Antonino Carbone, Annunziata Gloghini
"Ne è passata di acqua sotto i ponti." It has been a long time since the diagnosis of Hodgkin lymphoma (HL) was exclusively based on the detection of typical Reed-Sternberg cells and the recognition of the characteristic morpho-histological background, as well as on the pathologist's skill. The discovery of immunologic, molecular genetic and virologic biomarkers has provided an objective contribution to the diagnosis and a scientific basis for a modern classification of HL. Recent updates have clarified the nature of the so-called nodular lymphocyte predominant HL and its link to the T-cell/histiocyte-rich large B-cell lymphomas as well as its relationship with the lymphocyte-rich subset of classical HL (CHL)...
October 28, 2017: International Journal of Biological Markers
https://www.readbyqxmd.com/read/29094771/indolent-waxing-and-waning-cutaneous-presentation-of-htlv-1-associated-adult-t-cell-leukemia-lymphoma-in-an-hiv-1-positive-patient
#19
Justin D Richey, Benjamin J Chen, April C Deng
It is well known that patients infected with human immunodeficiency virus type I (HIV-1) are more likely to develop malignancies such as Kaposi sarcoma, non-Hodgkin lymphoma, and anal and cervical carcinomas.
November 2, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/29068981/human-herpes-virus-8-unrelated-primary-effusion-lymphoma-like-lymphoma-presenting-with-cardiac-tamponade-a-case-report
#20
Hee-Jun Kim, Kyoungyul Lee, Chang-Hwan Yoon, Soo-Mee Bang
RATIONALE: Primary effusion lymphoma (PEL) is a rare disease of lymphomatous effusion in the body cavities in the absence of detectable mass and lymphadenopathy. PEL is predominantly related to the immunosuppressed patients infected with human herpes virus 8 (HHV-8). PEL-like lymphoma is negative for HHV-8 and human immunodeficiency virus (HIV) unlike PEL. The pathogenesis and prognosis of PEL-like lymphoma are unclear and there is no established treatment yet. PATIENT CONCERNS: A 73-year-old male patient was admitted for evaluation of dyspnea on exertion with 1-week duration...
October 2017: Medicine (Baltimore)
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