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https://www.readbyqxmd.com/read/29676453/risk-factors-for-burkitt-lymphoma-a-nested-case-control-study-in-the-uk-clinical-practice-research-datalink
#1
Parisa Karimi, Brenda M Birmann, Lesley A Anderson, Charlene M McShane, Shahinaz M Gadalla, Joshua N Sampson, Sam M Mbulaiteye
Burkitt lymphoma (BL) occurs as three subtypes: endemic BL, immunosuppression-related BL and sporadic BL. Descriptive studies of BL age-specific incidence patterns have suggested multimodal peaks near 10, 40 and 70 years of age, but the risk factors for BL at different ages are unknown. We investigated risk factors for BL in the United Kingdom among 156 BL cases and 608 matched BL-free controls identified in the Clinical Practice Research Datalink (CPRD) between 1992 and 2016. Associations with pre-diagnostic body mass index, cigarette smoking, alcohol consumption, hepatitis, Epstein-Barr virus (EBV), human immunodeficiency virus infection and acquired immune deficiency syndrome (HIV/AIDS), malaria, allergic and autoimmune conditions, and prednisone use were evaluated...
April 20, 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/29669178/the-utility-of-multiparametric-flow-cytometry-in-the-detection-of-primary-effusion-lymphoma-pel
#2
Jacobo Galán, Isaac Martin, Itziar Carmona, José María Rodriguez-Barbero, Esperanza Cuadrado, Luis García-Alonso, José Antonio García-Vela
Primary effusion lymphoma (PEL) is a rare B cell lymphoproliferative disorder that arises predominantly in body cavities causing malignant effusions.The incidence of PEL is very low, accounting for approximately 4% of all HIV-associated non-Hodgkin lymphomas. PEL has also been described in elderly patients and after solid-organ transplantation. It is associated in all cases with human herpesvirus 8 (HHV8). We describe a case of PEL in a 88-year-old HIV-negative woman who presented with progressive dyspnea and moderate right-sided pleural effusion without significate lymphadenopathies or other effusions...
April 18, 2018: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/29666292/human-immunodeficiency-virus-tat-protein-aids-v-region-somatic-hypermutation-in-human-b-cells
#3
Xiaohua Wang, Zhi Duan, Guojun Yu, Manxia Fan, Matthew D Scharff
Long-term survivors of human immunodeficiency virus (HIV) infection have been shown to have a greatly increased incidence of B cell lymphomas. This increased lymphomagenesis suggests some link between HIV infection and the destabilization of the host B cell genome, a phenomenon also suggested by the extraordinary high frequency of mutation, insertion, and deletion in the broadly neutralizing HIV antibodies. Since HIV does not infect B cells, the molecular mechanisms of this genomic instability remain to be fully defined...
April 17, 2018: MBio
https://www.readbyqxmd.com/read/29665741/lymphomatoid-papulosis-presenting-as-a-rash-in-a-patient-with-hiv-infection
#4
Sian Warren, Vincent Li, Rachel Drayton, Kenneth May
A 43-year-old Malaysian man with well-controlled HIV infection on combination antiretroviral therapy presented with a six-week history of a widespread rash. The patient was otherwise well but was developing new lesions on a daily basis. Referral to Dermatology instigated punch biopsies, which revealed a diagnosis of lymphomatoid papulosis type A. This case highlights the importance of swift referral, especially in cases of spontaneous regression of symptoms, in order to obtain the correct diagnosis. In most patients, this condition tends to be chronic, with its chronicity and benign clinical course setting it apart from cutaneous anaplastic T-cell lymphoma and Hodgkin's disease, which are major entities in the histological differential diagnosis...
January 1, 2018: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/29663523/malignant-lymphoma-in-the-hiv-positive-patient
#5
REVIEW
Anne Meister, Marcus Hentrich, Christoph Wyen, Kai Hübel
The introduction of combination antiretroviral therapy (cART) drastically improved performance status, immune function and life expectancy of HIV-infected individuals. In addition, incidence of opportunistic infections and of AIDS-defining malignancies declined. Nevertheless, aggressive non-Hodgkin's lymphoma still remains the leading cause of AIDS-related deaths. The availability of cART, however, significantly improved the therapeutic options for HIV-positive patients with lymphomas. Diffuse large B-cell lymphoma, Burkitt's lymphoma, or Hodgkin lymphoma have increasingly become curable diseases...
April 16, 2018: European Journal of Haematology
https://www.readbyqxmd.com/read/29663358/a-case-control-study-of-hiv-infection-and-cancer-in-the-era-of-antiretroviral-therapy-in-rwanda
#6
Tharcisse Mpunga, Ariana Znaor, F Regis Uwizeye, Aline Uwase, Cyprien Munyanshongore, Silvia Franceschi, Gary M Clifford
The aim of our study was to assess the association between HIV infection and cancer risk in Rwanda approximately a decade after the introduction of antiretroviral therapy (cART). All persons seeking cancer care at Butaro Cancer Center of Excellence (BCCOE) in Rwanda from 2012 to 2016 were routinely screened for HIV, prior to being confirmed with or without cancer (cases and controls, respectively). Cases were coded according to ICD-O-3 and converted to ICD10. Associations between individual cancer types and HIV were estimated using adjusted unconditional logistic regression...
April 16, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29645080/risk-of-oral-tongue-cancer-among-immunocompromised-transplant-recipients-and-human-immunodeficiency-virus-infected-individuals-in-the-united-states
#7
Joseph E Tota, Eric A Engels, Margaret M Madeleine, Christina A Clarke, Charles F Lynch, Ana P Ortiz, Brenda Y Hernandez, Anil K Chaturvedi
BACKGROUND: Oral tongue cancer incidence has increased among whites in the United States; however, the cause remains unknown. If an infectious agent is implicated, then elevated risk would be expected among immunosuppressed individuals. METHODS: By using population-based registry linkage information from the US Transplant Cancer Match and human immunodeficiency virus/acquired immunodeficiency syndrome (HIV/AIDS) Cancer Match studies, the authors examined the risk of oral tongue squamous cell carcinoma (SCC) among immunocompromised transplantation recipients and HIV-infected individuals...
April 12, 2018: Cancer
https://www.readbyqxmd.com/read/29643199/usefulness-of-kaposi-sarcoma-associated-herpesvirus-kshv-dna-viral-load-in-whole-blood-for-the-diagnosis-and-monitoring-of-kshv-associated-diseases
#8
Aude Jary, Valentin Leducq, Romain Palich, Adélie Gothland, Diane Descamps, Véronique Joly, Sidonie Lambert-Niclot, Corinne Amiel, Ana Canestri, Audrey Mirand, Elyanne Gault, Astrid Vabret, Marc-Antoine Valantin, Christine Katlama, Vincent Calvez, Nicolas Dupin, Jean-Philippe Spano, Anne-Geneviève Marcelin
Kaposi Sarcoma-Associated Herpesvirus (KSHV) is the etiologic agent of Kaposi's sarcoma (KS) but also in multicentric variant of Castleman disease (MCD) and primary effusion lymphoma (PEL), diseases occurring primarily in HIV-infected patients (1).….
April 11, 2018: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29619259/primary-effusion-lymphoma-without-an-effusion-a-rare-case-of-solid-extracavitary-variant-of-primary-effusion-lymphoma-in-an-hiv-positive-patient
#9
Hamza Hashmi, Drew Murray, Samer Al-Quran, William Tse
Primary effusion lymphoma (PEL) is a unique form of non-Hodgkin lymphoma, usually seen in severely immunocompromised, HIV-positive patients. PEL is related to human herpesvirus-8 (HHV-8) infection, and it usually presents as a lymphomatous body cavity effusion in the absence of a solid tumor mass. There have been very few case reports of HIV-positive patients with HHV-8-positive solid tissue lymphomas not associated with an effusion (a solid variant of PEL). In the absence of effusion, establishing an accurate diagnosis can be challenging, and a careful review of morphology, immunophenotype, and presence of HHV-8 is necessary to differentiate from other subtypes of non-Hodgkin lymphoma...
2018: Case Reports in Hematology
https://www.readbyqxmd.com/read/29608198/disparities-in-lymphoma-on-the-basis-of-race-gender-hiv-status-and-sexual-orientation
#10
Melody Becnel, Christopher R Flowers, Loretta J Nastoupil
Lymphoid malignancies account for the sixth leading cause of death in the US, and, although survival is improving overall, this trend is not applicable to all patients. In this review, we describe disparities in the initial presentation, treatment, and outcomes across a diverse group of lymphoma patients on the basis of gender, race, HIV status, and sexual orientation. Identifying these disparities will hopefully lead to improved outcomes in these groups of lymphoma patients in the future.
November 2017: Ann Lymphoma
https://www.readbyqxmd.com/read/29604975/primary-cns-lymphoma-in-hiv-infection
#11
Dieta Brandsma, Jacoline E C Bromberg
Primary CNS lymphoma (PCNSL) has been designated an acquired immune deficiency syndrome (AIDS)-defining disease since 1983 and accounts for up to 15% of non-Hodgkin lymphomas in human immunodeficiency virus (HIV) patients. The majority of HIV patients are Epstein-Barr virus (EBV)-related. The most likely etiology is ineffective immunoregulation of EBV, inducing oncogenic protein expression, and subsequent loss of apoptosis and increased proliferation of lymphocytes. PCNSL generally presents with supratentorial, single or multiple, contrast-enhancing lesions...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/29599595/non-hodgkin-s-lymphoma-of-the-mandible-in-hiv-patient-a-rare-case-report
#12
Mahesh Neerupakam, Jacob Prakash, Sridevi Koduri, Thejasri Vishnubhatla
Non-Hodgkin's lymphoma (NHL) is a lymphatic system tumor originating from either B or T lymphocytes and shows a high malignant potential. In HIV-seropositive patients, NHL of head and neck is mainly found in Waldeyer's ring, oral mucosa, salivary glands, paranasal sinuses, and laryngeal tissue. Primary NHL rarely affects the bone. When the lesion affects the bones of the jaws, it is rare in the mandible when compared to the maxilla. In the reported cases, only 0.6% are found in the mandible. NHL of the mandible can be difficult to diagnose, and so the prime aim of the present case report is to establish appropriate diagnosis of one of such kinds...
January 2018: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29593659/how-to-control-htlv-1-associated-diseases-preventing-de-novo-cellular-infection-using-antiviral-therapy
#13
Amandine Pasquier, Sandrine Alais, Loic Roux, Maria-Isabel Thoulouze, Karine Alvarez, Chloé Journo, Hélène Dutartre, Renaud Mahieux
Five to ten million individuals are infected by Human T-cell Leukemia Virus type 1 (HTLV-1). HTLV-1 is transmitted through prolonged breast-feeding, by sexual contacts and by transmission of infected T lymphocytes through blood transfusion. One to ten percent of infected carriers will develop a severe HTLV-1-associated disease: Adult-T-cell leukemia/lymphoma (ATLL), or a neurological disorder named Tropical Spastic Paraparesis/HTLV-1 Associated Myelopathy (TSP/HAM). In vivo , HTLV-1 is mostly detected in CD4+ T-cells, and to a lesser extent in CD8+ T cells and dendritic cells...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29589147/-primary-vitreoretinal-lymphoma
#14
D Jaehne, S E Coupland
Primary vitreoretinal lymphoma (PVRL) is the most common intraocular lymphoma. It is a high grade malignant B‑cell lymphoma, which is thought to arise in the retina. It often infiltrates the central nervous system (CNS) and is therefore associated with a poor prognosis. The PVRL must be differentiated from other forms of intraocular lymphoma, such as the low-grade B‑cell lymphoma that rarely arises in the choroid. The choroidal lymphomas do not spread to the brain, they can be treated with low-dose external beam radiotherapy and the patients have a good prognosis...
March 27, 2018: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/29581922/a-lymphoma-almost-overlooked
#15
Jeremy Lorber, Martina Zalom
A 50-year-old female with a prolonged history of untreated human immunodeficiency virus (HIV) presented with a large vaginal mass. During workup, the mass was found to be vaginal squamous cell carcinoma. Imaging suggested stage IV disease, but a biopsy of liver lesions demonstrated synchronous diffuse large B-cell lymphoma. Her treatment course was notable for complete remission of her lymphoma with lymphoma-directed chemotherapy and complete clinical response of her squamous cell carcinoma to lymphoma-directed therapy...
January 24, 2018: Curēus
https://www.readbyqxmd.com/read/29564175/colorectal-lymphoma-in-mexico-clinico-pathological-and-survival-analysis
#16
Everardo Jaime-Andrade, Leonardo S Lino-Silva, Rosa A Salcedo-Hernández, César Zepeda-Najar
Background: Primary colorectal lymphomas (PCLs) are very rare. We analyze a series of PCL to establish an approximate frequency of the disease and their clinico-pathological characteristics. Methods: A retrospective cross-sectional study in a third-level hospital from 2006-2016. Clinico-pathologic features of 18 cases are presented. Results: PCL corresponded to 1.5% of malignant colorectal neoplasms. Ten cases presented in men, the median age was 57 years, diffuse large B-cell lymphoma (DLBCL) was the most common subtype (55...
February 2018: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/29560671/nodular-lymphoid-hyperplasia-of-the-gastrointestinal-tract-a-comprehensive-review
#17
REVIEW
Shaimaa Elkholy, Sherif Mogawer, Ali Farag
Nodular lymphoid hyperplasia (NLH) is a rare benign condition that is characterized by diffuse hyperplasia of the lymphoid follicles of the gastrointestinal tract (GIT). During endoscopy, NLH appears as multiple or occasionally innumerable nodules measuring a few millimeters in diameter. NLH occurs mainly in the small intestine, less commonly in the large intestine and rarely involves the stomach. There are multiple associated diseases such as immunoglobulin deficiency syndromes, giardiasis, Helicobacter pylori (H...
July 2017: Acta Gastro-enterologica Belgica
https://www.readbyqxmd.com/read/29551446/impact-of-hiv-infection-on-transplant-outcomes-after-autologous-peripheral-blood-stem-cell-transplantation-a-retrospective-study-of-japanese-registry-data
#18
Noriyoshi Yoshinaga, Junya Kanda, Yoshinobu Aisa, Shotaro Hagiwara, Takehiko Mori, Takahiro Fukuda, Yoji Ishida, Hisako Hashimoto, Koji Iwato, Yoshinobu Kanda, Mineo Kurokawa, Hideyuki Nakazawa, Shuichi Ota, Naoyuki Uchida, Tatsuo Ichinohe, Yoshiko Atsuta, Akifumi Takaori-Kondo
PURPOSE: Autologous stem cell transplantation (ASCT) is a treatment option for HIV-positive patients with non-Hodgkin lymphoma (NHL) and multiple myeloma (MM). However, the prognosis after ASCT in HIV-positive Japanese patients remains unclear. The aim of this study was to evaluate the impact of HIV infection on transplant outcomes after ASCT in Japan. PATIENTS AND METHODS: Using the national database of the Japan Society for Hematopoietic Cell Transplantation, we retrospectively evaluated patients with NHL (n= 3,862) and MM (n= 2,670) who underwent their first ASCT between 2001 and 2014...
March 15, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29536181/blood-epstein-barr-virus-dna-does-not-predict-outcome-in-advanced-hiv-associated-hodgkin-lymphoma
#19
Ikram Ul-Haq, Alessia Dalla Pria, Elisa Suardi, David J Pinato, Fieke Froeling, John Forni, Paul Randell, Mark Bower
In HIV-seronegative patients with advanced Hodgkin lymphoma (HL), Epstein-Barr virus (EBV) viraemia at diagnosis predicts a worse progression-free survival (PFS), independent of the International Prognostic Score. However, its role in HIV-associated HL is uncharacterised. We collected clinico-pathologic and treatment data from a prospective series of 44 HIV-associated HLs from 2000 to 2016. We evaluated circulating EBV DNA as a prognostic factor on uni- and multivariable analyses in relationship to the International Prognostic Index criteria...
March 13, 2018: Medical Oncology
https://www.readbyqxmd.com/read/29521213/advances-in-spirocyclic-hybrids-chemistry-and-medicinal-actions
#20
Mohammed Benadallah, Oualid Talhi, Fatiha Nouali, Nourredine Choukchou-Braham, Khaldoun Bachari, Artur M S Silva
The present review deals with the progress in medicinal chemistry of spirocyclic compounds, a wider class of natural and synthetic organic molecules, defined as a hybrid of two molecular entities covalently linked via a unique tetrahedral carbon. This spiro central carbon confers to the molecules a tridimensional structurally oriented framework, which is found in many medicinally relevant compounds, a well-known example is the anti-hypertensive spironolactone. Various bioactive natural products possess the privileged spiro linkage and different chemo-types thereof become synthetically accessible since the 20th century...
March 9, 2018: Current Medicinal Chemistry
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