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Lymphoma aids

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https://www.readbyqxmd.com/read/28632297/n%C3%A3-lbiopsi-%C3%A3-r-inte-b%C3%A3-sta-metod-f%C3%A3-r-att-diagnostisera-lymfom-den-%C3%A3-kade-anv%C3%A3-ndningen-kan-ge-allvarliga-konsekvenser-f%C3%A3-r-diagnostik-forskning-och-behandlingsutveckling
#1
Rose-Marie Amini, Christer Sundström
Core needle biopsies for lymphoma diagnosis seriously affect diagnostics, treatment development and research Core needle biopsies (CNBs) are widely used in clinical diagnostic labs to aid in the diagnosis of malignant lymphomas and in latter years their use is increasing. CNBs provide a rapid method for obtaining tumour material and may be beneficial when the affected lymph nodes are located deep in the abdominal cavity or mediastinum and surgical excisional biopsies may be difficult to perform. However, according to the Swedish Haematopathology Quality and Standardization Committee, CNBs are insufficient for lymphoma diagnostic purposes and the guidelines state that material from surgical excisional biopsies are mandatory in order to obtain a robust histopathological evaluation of the lymph node architecture, cellular composition and growth pattern...
June 16, 2017: Läkartidningen
https://www.readbyqxmd.com/read/28631636/profiling-of-peripheral-t-cell-lymphomas-in-kerala-south-india-a-5-year-study
#2
Rekha A Nair, Jayasudha Arundhathi Vasudevan, Priya Mary Jacob, Renu Sukumaran
BACKGROUND: Peripheral T-cell lymphomas (PTCLs) are non-Hodgkin's lymphomas (NHLs) with considerable variation in incidence across the world. They show a wide variety of clinicopathological features and generally associated with poor clinical outcome. Lymphoma data from different geographic regions will definitely aid in routine clinical practice and research work. PTCLs are reported with a higher frequency in Asia as compared to Western countries. OBJECTIVE: The objective of this study was to analyze the frequency and distribution of PTCLs diagnosed in a tertiary care cancer center in Kerala...
April 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28624514/bromodomain-containing-proteins-in-prostate-cancer
#3
REVIEW
Alfonso Urbanucci, Ian G Mills
Several oncogenic factors have been involved in prostate cancer progression. However, therapeutic approaches still focus on suppression of androgen receptor (AR) signaling. In fact, whereas the full-length AR incorporates a ligand-binding domain, which has become a drug target for competitive inhibitors, other transcription factors often do not have tractable binding pockets that aid drug development. Consequently drug development efforts have turned to transcription co-regulators, often chromatin-modifying enzymes or factors that bind to epigenetic modifications to chromatin...
June 14, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28619832/excess-mortality-among-hiv-infected-individuals-with-cancer-in-the-united-states
#4
Anna E Coghill, Ruth M Pfeiffer, Meredith S Shiels, Eric A Engels
Background: Human immunodefieciency virus (HIV)-infected persons are living longer in the era of effective HIV treatment, resulting in an increasing cancer burden in this population. The combined effects of HIV and cancer on mortality are incompletely understood.Methods: We examined whether individuals with both HIV and cancer have excess mortality using data from the HIV/AIDS Cancer Match Study and the National Center for Health Statistics (1996-2010). We compared age, sex, and race-stratified mortality between people with and without HIV or one of the following cancers: lung, breast, prostate, colorectum, anus, Hodgkin lymphoma, or non-Hodgkin lymphoma...
June 15, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28617968/diversity-of-human-herpesvirus-8-genotypes-in-patients-with-aids-and-non-aids-associated-kaposi-s-sarcoma-castleman-s-disease-and-primary-effusion-lymphoma-in-argentina
#5
Celeste Luján Pérez, Mónica I Tous
HHV-8 genotypes are distributed heterogeneously worldwide. The variable K1 gene and the conserved ORF26E region serve to genotype. The aim of the study was to characterize HHV-8 isolates from patients with AIDS, classical, and iatrogenic KS, primary effusion lymphoma and Castleman's disease and one organ donor from Argentina by analysis of ORFK1 and ORF26E regions. DNA was extracted from fresh or paraffin embedded biopsies, blood and saliva samples and submitted to HHV-8 PCR. Phylogenetic analyses of ORFK1 showed that subtypes C (C1, C2 and C3), B1 and A (A1, A2 and A3) were present in 70...
June 15, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28610450/novel-tumor-markers-provide-improved-prediction-of-survival-after-diagnosis-of-human-immunodeficiency-virus-hiv-related-diffuse-large-b-cell-lymphoma
#6
Chun Chao, Michael J Silverberg, Lie-Hong Chen, Lanfang Xu, Otoniel Martínez-Maza, Donald I Abrams, Hongbin D Zha, Reina Haque, Jonathan Said
Existing prognostic tools for HIV + diffuse large B-cell lymphoma (DLBCL) fail to accurately predict patient outcomes. To develop a novel prognostic algorithm incorporating molecular tumor characteristics and HIV disease factors, we included 80 patients with HIV-related DLBCL diagnosed between 1996 and 2007. Immunohistochemistry staining was used to analyze the expression of 26 tumor markers. Clinical data were collected from medical records. Logistic regression and bootstrapping were used to select and assess stability of the prognostic model, respectively...
June 13, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28606064/bacteremia-due-to-gordonia-polyisoprenivorans-case-report-and-review-of-literature
#7
Xiurong Ding, Yanhua Yu, Ming Chen, Chen Wang, Yanfang Kang, Hongman Li, Jinli Lou
BACKGROUND: Gordonia polyisoprenivorans is a ubiquitous aerobic actinomycetes bacterium that rarely cause infections in humans. Here, we report a case of G. polyisoprenivorans catheter-related bacteremia in an AIDS patient. CASE PRESENTATION: A 37-year-old man with a past medical history of AIDS-related lymphoma suffered bacteremia caused by a Gram-positive corynebacterium. The strain was identified as a Gordonia species by matrix-assisted laser desorption ionization-time of flight mass spectrometry and confirmed to G...
June 12, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28594133/diagnostic-value-of-stmn1-lmo2-hgal-aid-expression-and-1p36-chromosomal-abnormalities-in-primary-cutaneous-b-cell-lymphomas
#8
Evelyne Verdanet, Olivier Dereure, Céline René, Ariane Tempier, Assia Benammar-Hafidi, Mathieu Gallo, Eric Frouin, Luc Durand, Isabelle Gazagne, Valérie Costes-Martineau, Valère Cacheux, Vanessa Szablewski
INTRODUCTION: distinction between primary cutaneous follicular lymphoma (PCFL) and primary cutaneous marginal zone lymphoma (PCMZL) is challenging as clear-cut immunophenotypic and cytogenetic criteria to segregate both entities are lacking. MATERIALS AND METHODS: to better characterize PCFL and PCMZL and to define criteria helpful for the differential diagnosis, we compared expression of immunohistochemical markers (LMO2, HGAL, STMN1, AID, MNDA) and the presence of cytogenetic abnormalities previously described in nodal follicular lymphoma (BCL2 and BCL6 breaks, 1p36 chromosomal region deletion (del 1p36)) in a series of 48 cutaneous follicular and marginal zone lymphomas (CFL and CMZL)...
June 8, 2017: Histopathology
https://www.readbyqxmd.com/read/28592537/role-of-autophagy-in-the-hiv-1-matrix-protein-p17-driven-lymphangiogenesis
#9
Pietro Mazzuca, Stefania Marsico, Kai Schulze, Stefania Mitola, Marina C Pils, Cinzia Giagulli, Carlos A Guzman, Arnaldo Caruso, Francesca Caccuri
AIDS-related lymphomas (ARLs) are expected to increase in the future since combined antiretroviral therapy (cART) enhances the life expectancy of HIV-1-infected (HIV(+)) patients, but does not affect the occurrence of ARLs to the same extent as of other tumors. Lymphangiogenesis is essential in supporting growth and metastatic spreading of ARLs. HIV-1 does not infect the neoplastic B cells, but HIV-1 proteins have been hypothesized to play a key role in sustaining a pro-lymphangiogenic microenvironment in lymphoid organs...
June 7, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28575142/flow-cytometric-patterns-of-cd200-and-cd1d-expression-distinguish-cd10-negative-cd5-negative-mature-b-cell-lymphoproliferative-disorders
#10
Emily Mason, Olga Pozdnyakova, Betty Li, Graham Dudley, David M Dorfman
Objectives: The importance of distinguishing mature B-cell lymphoproliferative disorders (B-LPDs) is highlighted by the distinct treatments used for and varying prognoses seen in association with these different diseases. Immunophenotyping allows for accurate and efficient differentiation of many B-LPDs. Recently, we showed that CD200 is highly expressed in hairy cell leukemia (HCL) but not in marginal zone lymphoma (MZL), lymphoplasmacytic lymphoma (LPL), or hairy cell leukemia-variant (HCL-v)...
June 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28574963/hiv-infection-has-no-prognostic-impact-on-advanced-stage-hodgkin-lymphoma
#11
Marc Sorigué, Olga García, Gustavo Tapia, Maria-Joao Baptista, Miriam Moreno, José-Luis Mate, Juan M Sancho, Evarist Feliu, Josep-Maria Ribera, José-Tomás Navarro
OBJECTIVE: Classical Hodgkin lymphoma (cHL) is a non-AIDS-defining cancer with a good response to chemotherapy in the combined antiretroviral therapy (cART) era. The aim of the present study was to compare the characteristics, the response to treatment and the survival of advanced-stage cHL treated with adriamycin, bleomycin, vinblastine and dacarbazine (ABVD) between cART-treated HIV-positive and HIV-negative patients. DESIGN AND METHODS: We retrospectively analyzed advanced-stage cHL patients from a single institution, uniformly treated with ABVD...
June 19, 2017: AIDS
https://www.readbyqxmd.com/read/28571156/blastoid-variant-of-mantle-cell-lymphoma-with-leukemic-presentation-a-rare-case-report
#12
Ruchee Khanna, Sushma Belurkar, P Lavanya, Chethan Manohar, Manna Valiathan
Mantle Cell Lymphoma (MCL) is a type of Non-Hodgkin's lymphoma and has a wide spectrum of histopathological subtypes of which the blastoid or the blastic variant constitutes 10-15% of all cases. It is difficult to diagnose blastoid variant of MCL on the basis of morphology alone as it mimics lymphoblastic lymphoma and centroblastic large cell lymphoma, hence additional analysis like immunophenotyping and molecular studies aid in its diagnosis. We present a case of 45-year-old male who presented to medicine OPD with chief complaints of fever, fatigability and inguinal swelling...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28570324/neurologic-complications-of-lymphoma-leukemia-and-paraproteinemias
#13
Michelle L Mauermann
PURPOSE OF REVIEW: This article reviews the spectrum of neurologic complications associated with lymphoma, leukemia, and paraproteinemic disorders. While leptomeningeal metastasis is the most common complication of lymphoma and leukemia and peripheral neuropathy is the most common complication of paraproteinemic disorders, clinicians need to be familiar with the diverse neurologic complications of these disorders. RECENT FINDINGS: Lymphomatous nervous system involvement can be difficult to diagnose, especially when it is the presenting symptom...
June 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28555346/endobronchial-metastasis-from-extrapulmonary-neoplasms-analysis-of-clinicopathologic-features-and-cytological-evaluation-by-bronchial-brushing
#14
Kenji Ikemura, Diana Murro Lin, Colin P Martyn, Ji-Weon Park, Christopher W Seder, Paolo Gattuso
PURPOSE: Bronchial brushings (BB) commonly aid in the diagnosis of primary lung cancer. However, the utility of this method in diagnosing endobronchial metastases (EBM) from extrapulmonic malignancies has not been thoroughly evaluated. The purpose of this study is to evaluate the sensitivity of BB in diagnosing EBM. METHODS: An institutional database was queried for all patients with cytologically or histologically confirmed extrapulmonary EBM identified by endobronchial biopsy between 1978 and 2013...
May 29, 2017: Lung
https://www.readbyqxmd.com/read/28545761/ultrastructural-analysis-of-human-leukemia-u-937-cells-after-apoptosis-induction-localization-of-proteasomes-and-perichromatin-fibers
#15
Ekaterina S Snigirevskaya, Yan Yu Komissarchik
We studied the ultrastructure of human histiocytic lymphoma U-937cells after apoptosis induction with two external agents, hypertonic shock and etoposide. Appearance of aggregates of particles of nuclear origin within the nuclei and cytoplasm of the induced cells was the first and the most prominent morphological sign of apoptosis. These aggregates were not coated by a membrane, had variable shape, density and size. Two types of particles dominated in the aggregates: perichromatin fibers (PFs) and proteasomes (PRs)...
May 22, 2017: Acta Histochemica
https://www.readbyqxmd.com/read/28522794/casual-or-causal-two-unique-cases-of-hodgkin-s-lymphoma-a-case-report-and-literature-review
#16
Faizan Malik, Naveed Ali, Syed Imran Mustafa Jafri, Christian Fidler
BACKGROUND Immunosuppressive diseases and therapies have long been connected to risk of malignancies, especially lymphoma. With some diseases and drugs, the association is well established but the data is mostly anecdotal because of the rarity of the situation. CASE REPORT We present 2 rare cases. The first patient had psoriasis, was on etanercept, and developed Hodgkin's lymphoma. This case is rare because psoriasis and etanercept do not usually cause lymphoma, and if they do, it is predominantly Epstein-Barr virus-positive non-Hodgkin's lymphoma...
May 19, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28520616/pediatric-cancer-burden-and-treatment-resources-within-the-pediatric-iedea-consortium
#17
Steven A Brown, Salma Abbas, Mary-Ann Davies, Torsak Bunupuradah, Annette H Sohn, Karl-Günter Technau, Lorna Renner, Valériane Leroy, Andrew Edmonds, Marcel Yotebieng, Catherine C McGowan, Stephany N Duda, Lynne Mofenson, Beverly Musick, Kara Wools-Kaloustian
INTRODUCTION: The incidence and treatment of cancer in HIV-infected children from resource-limited settings has not been extensively studied. OBJECTIVES: Develop and implement a cross-sectional survey to evaluate pediatric cancer burden, diagnostic modalities in use, and treatment availability as perceived by HIV clinic staff at regional International Epidemiology Databases to Evaluate AIDS (IeDEA) sites. METHODS: IeDEA regional investigators developed a cross-sectional clinical site survey which included questions on the numbers and types of pediatric cancers observed, modalities used to treat identified cancers and treatment options available at individual sites in the Asia-Pacific, Latin America, Central Africa, East Africa, West Africa, and Southern Africa regions...
May 17, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28508728/high-frequency-of-identical-clonal-immunoglobulin-dna-in-pre-treatment-tumor-and-plasma-from-untreated-patients-with-hiv-associated-lymphoma-prospective-multicenter-trial-of-the-aids-malignancies-consortium-amc-064
#18
Nina D Wagner-Johnston, Shelly Lensing, Ariela Noy, Lee Ratner, David Henry, Jeannette Y Lee, Sylvia Silver, Malek Faham, Richard F Ambinder
Patients with HIV are at increased risk for developing B-cell lymphomas likely due in part to chronic antigen stimulation leading to clonal immunoglobulin (Ig) gene rearrangements. Next-generation sequencing (NGS)-based identification of circulating Ig clonotypes has not been well-characterized in HIV-related lymphomas. The AIDS Malignancies Consortium (AMC) enrolled 51 untreated patients with HIV-related B-cell lymphomas and analyzed paired tumor/plasma specimens for Ig clonotypes using an NGS approach (AMC064, NCT00981097)...
May 16, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28507339/efficacy-and-tolerability-of-chemotherapy-in-chinese-patients-with-aids-related-burkitt-lymphoma-and-diffuse-large-b-cell-lymphoma-an-observational-study
#19
Jiang Xiao, Shuxu Du, Guorui Dai, Guiju Gao, Di Yang, Hongxin Zhao
We evaluated the efficacy and tolerability of chemotherapy in HIV-infected patients with diffuse large B-cell lymphoma (DLBCL) receiving CHOP ± R (n = 17) or Burkitt lymphoma (BL) receiving CODOX-M/IVAC ± R (n = 15). The study was conducted in Beijing Ditan Hospital from January 2009 to August 2015. The following grade 4 adverse effects were observed in BL and DLBCL patients, respectively: neutropenia (80% versus 47.1%), anaemia (46.7% versus 5.9%), thrombocytopenia (53.3% versus 11.8%), bacterial pneumonia (33...
May 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28502522/human-herpesvirus-8-related-diseases-histopathologic-diagnosis-and-disease-mechanisms
#20
REVIEW
Matthew Auten, Annette S Kim, Kyle T Bradley, Flavia G Rosado
The emergence of HIV/AIDS more than three decades ago led to an increased incidence of diseases caused by HHV8 co-infection, particularly Kaposi sarcoma, primary effusion lymphoma, and multicentric Castleman disease. Over time, the development of highly effective AIDS therapies has resulted in a decreased incidence of HHV8-associated entities, which are now more commonly found in patients with undiagnosed and/or untreated AIDS. Due to their rarity, some of these diseases may be difficult to recognize without appropriate clinical information...
April 6, 2017: Seminars in Diagnostic Pathology
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