scholarly journals Pathology Characteristics of Lymphomas in Rwanda: A Retrospective Study

2021 ◽  
Vol 5 (2) ◽  
pp. 170-173
Author(s):  
Fiacre Mugabe Byiringiro ◽  
Felix Manirakiza ◽  
Déogratias Ruhangaza ◽  
Thierry Zawadi Muvunyi ◽  
Belson Rugwizangoga
Keyword(s):  
Hodgkin Lymphoma ◽  
B Cell Lymphoma ◽  
World Health ◽  
Hiv Positive ◽  
Stained Glass ◽  
Global Challenge ◽  
Glass Slides ◽  
Hematoxylin And Eosin ◽  
Health Organization ◽  
Hodgkin's Lymphomas

Background: Lymphomas have been a global challenge for many decades and despite measures for prevention and management, the incidence continues to increase. There are two main categories, which are Non-Hodgkin’s Lymphomas and Hodgkin’s Lymphomas and most common etiologies are environmental, genetic alteration, radiation and some viruses. Objective: To describe pathology characteristics of lymphomas in Rwanda based on Hematoxylin and Eosin stained glass slides and immuno histo chemistry, and classify them according to clinical aggressiveness. Patients and Methods: We conducted a retrospective observational and descriptive study from January 2013 to December 2019. Lymphoma cases were retrieved together with relevant clinical and pathological information, and reviewed by independent pathologists. Histological diagnosis was classified according to the 2008 World Health Organization system in order to assign clinical aggressiveness of the lymphoma. Results: Three hundred and six lymphoma cases were enrolled. Males contributed to 57% of all reviewed case, and slightly over 50% were young aged ≤35 years. Approximately 191 (62%) of cases were nodal lymphomas. Approximately one fifth (18%) of lymphoma cases were HIV positive. Most 213(70%) cases were Non-Hodgkin’s Lymphomas of aggressive forms 164(77%). Among 164 cases of aggressive Non-Hodgkin’s Lymphomas, diffuse large B cell lymphoma was the leading subtype 91(55.5%), followed by solid lymphoblastic lymphoma 32(19.5%) and Burkitt lymphoma 17(10.4%). Among all Hodgkin lymphoma cases, 90(97%) were classical Hodgkin lymphomaof nodular sclerosis subtype. Hodgkin lymphoma patients were younger compared to Non-Hodgkin’s Lymphomas patients (mean age of 24.78±16.3 years versus 38.6±22. 5years, p=.000). Conclusion: Substantial proportion of Lymphomapatients in Rwanda were also HIV positive. Interestingly, Non-Hodgkin’s Lymphomas in Rwanda are predominated by the most aggressive forms, and these mostly affect a younger population. Optimal characterisation of such cases, using advanced methods, is recommended.

scholarly journals HHV-8-Associated Lymphoproliferative Disorders and Pathogenesis in an HIV-Positive Patient

2019 ◽  
Vol 2019 ◽  
pp. 1-6 ◽  
Author(s):  
Carlo Guerrero ◽  
Tania Jain ◽  
Katalin Kelemen
Keyword(s):  
Kaposi's Sarcoma ◽  
Primary Effusion Lymphoma ◽  
Clinical Manifestations ◽  
Human Herpesvirus ◽  
Kaposi’S Sarcoma ◽  
B Cell Lymphoma ◽  
Lymphoproliferative Disorders ◽  
World Health ◽  
Hiv Positive ◽  
Health Organization

Human herpesvirus 8 (HHV-8), also known as Kaposi’s sarcoma-associated herpesvirus, is a DNA oncovirus known for its role in the development of Kaposi’s sarcoma (KS) and several lymphoproliferative disorders (LPDs). HHV-8 promotes lymphoproliferation via the activation of the interleukin-6 receptor signaling pathway, as well as a host of other regulatory mechanisms. The spectrum of HHV-8-associated LPDs is increasing. The World Health Organization has recently updated the classification of HHV-8-associated LPDs by introducing HHV-8-positive germinotropic LPD (GLPD) in addition to the previously recognized entities of HHV-8-positive diffuse large B-cell lymphoma, not otherwise specified (DLBCL, NOS), primary effusion lymphoma (PEL), and HHV-8-positive multicentric Castleman’s disease (MCD). We present here a case of an HIV-positive woman with a history of KS, who later developed three HHV-8-associated LPDs, including HHV-8-positive MCD, PEL, and GLPD. To the best of our knowledge, this is the first reported case of a patient with this combination of individually rare HHV-8-associated LPDs. This case illustrates the spectrum and the sequential development of the different clinical manifestations of HHV-8-associated diseases. Detection of HHV-8 can have clinical significance in the diagnosis and management of certain HHV-8-associated conditions. Recently discovered variants of HHV-8-associated LPDs indicate that this group represents a diverse spectrum of disorders, whose classification may require further refinement beyond the currently recognized entities.

The Brain Transcription Factor OTX1 Is Activated in Specific Non-Hodgkin Lymphoma Subtypes and Normally Expressed in a Germinal Center-Restricted Small Subpopulation of CD138+ Plasmacell-Like Cells.

Blood ◽  
2007 ◽  
Vol 110 (11) ◽  
pp. 2618-2618
Author(s):  
Filippo Russo ◽  
Daniela Omodei ◽  
Dario Acampora ◽  
Rosaria De Filippi ◽  
Valeria Severino ◽  
...  
Keyword(s):  
Lymph Nodes ◽  
B Cell ◽  
Germinal Center ◽  
B Cell Lymphoma ◽  
World Health ◽  
Non Hodgkin Lymphoma ◽  
Bcl6 Expression ◽  
Health Organization ◽  
Hodgkin's Lymphomas ◽  
Proliferating Cell

Abstract OTX1 and OTX2 are transcription factors containing a bicoid-like homeodomain and play crucial roles in brain development and in few other body districts as in the case of OTX1, which is required in hematopoiesis for development of the erythroid compartment. Previous studies indicated that in human OTX2 is functionally involved in the generation of anaplastic medulloblastomas; OTX1 expression strongly correlates with nodular/desmoplastic medulloblastomas; and none of them is expressed in other brain tumors. Here we have investigated whether OTX1 and/or OTX2 may potentially be involved in tumors of nonneural origin by focusing on human B-cell non-Hodgkin’s lymphomas (NHLs). We analyzed 184 cases (fig 1)encompassing different NHL subtypes according to the World Health Organization classification and discovered that, while OTX2 expression was never detected, OTX1 was selectively activated in virtually all cases of Diffuse Large B Cell Lymphoma, Burkitt Lymphoma and a relevant fraction of Follicular Cell Lymphomas. In DLBCL lymph nodes and tissue infiltrations, OTX1 protein was detected in the nucleus of PAX5+-CD20+ cancer cells. Conversely, in nonmalignant lymph nodes and tonsils, OTX1 was expressed in a numerically very small and non-proliferating cell population restricted to the germinal center. These OTX1+ cells were CD138+-IgG+, about 50% of them also co-expressed both CD10 and CD20 and none of them exhibited PAX5 or BCL6 expression, thus suggesting that OTX1 expression identifies a subset of GC-restricted plasmacell-like cells (fig 2). Interestingly, in contrast with lymphomas, in these cells the OTX1 protein was prevalently localized to the cytoplasm. Collectively, our data suggest that activation of OTX1 expression and its nuclear localization represent together a newly described molecular event occurring in specific NHL subtypes of GC and early post-GC origin (FCL, DLBCL, BL), and lead us to hypothesize that it may be potentially involved (directly or indirectly) in the initiation and/or maintenance of these tumors. Figure Figure Figure Figure

Metody cytogenetyki molekularnej w różnicowaniu agresywnych B-NHL

2019 ◽  
Vol 50 (3) ◽  
pp. 109-115
Author(s):  
Beata Grygalewicz
Keyword(s):  
B Cell ◽  
Cell Lymphoma ◽  
B Cell Lymphoma ◽  
World Health ◽  
High Grade ◽  
Non Hodgkin Lymphoma ◽  
Large B Cell Lymphoma ◽  
Health Organization ◽  
Large B Cell

StreszczenieB-komórkowe agresywne chłoniaki nieziarnicze (B-cell non-Hodgkin lymphoma – B-NHL) to heterogenna grupa nowotworów układu chłonnego, wywodząca się z obwodowych limfocytów B. Aberracje cytogenetyczne towarzyszące B-NHL to najczęściej translokacje onkogenów takich jak MYC, BCL2, BCL6 w okolice genowych loci dla łańcuchów ciężkich lub lekkich immunoglobulin. W niektórych przypadkach dochodzi do wystąpienia kilku wymienionych aberracji jednocześnie, tak jak w przypadkach przebiegających z równoczesną translokacją genów MYC i BCL2 (double hit), niekiedy także z obecnością rearanżacji BCL6 (triple hit). Takie chłoniaki cechuje szczególnie agresywny przebieg kliniczny. Obecnie molekularna diagnostyka cytogenetyczna przy użyciu techniki fluorescencyjnej hybrydyzacji in situ (FISH) oraz, w niektórych przypadkach, aCGH jest niezbędnym narzędziem rozpoznawania, klasyfikowania i oceny stopnia zaawansowania agresywnych, nieziarniczych chłoniaków B-komórkowych. Technika mikromacierzy CGH (aCGH) była kluczowym elementem wyróżnienia prowizorycznej grupy chłoniaków Burkitt-like z aberracją chromosomu 11q (Burkitt-like lymphoma with 11q aberration – BLL, 11q) w najnowszej klasyfikacji nowotworów układu chłonnego Światowej Organizacji Zdrowia (World Health Organization – WHO) z 2016 r. Omówione zostaną sposoby różnicowania na poziomie cytogenetycznym takich chłoniaków jak: chłoniak Burkitta (Burkitt lymphoma – BL), chłoniak rozlany z dużych komórek B (diffuse large B-cell lymphoma – DLBCL) oraz 2 nowych jednostek klasyfikacji WHO 2016, czyli chłoniaka z komórek B wysokiego stopnia złośliwości z obecnością translokacji MYC i BCL2 i/lub BCL6 (high-grade B-cell lymphoma HGBL, with MYC and BCL2 and/or BCL6 translocations) oraz chłoniaka BLL, 11q.

scholarly journals Gold Nanoparticles: Can They Be the Next Magic Bullet for Multidrug-Resistant Bacteria?

Nanomaterials ◽  
2021 ◽  
Vol 11 (2) ◽  
pp. 312
Author(s):  
Mohammad Okkeh ◽  
Nora Bloise ◽  
Elisa Restivo ◽  
Lorenzo De Vita ◽  
Piersandro Pallavicini ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Bacterial Resistance ◽  
Multidrug Resistant ◽  
World Health ◽  
Resistant Bacteria ◽  
Magic Bullet ◽  
Global Challenge ◽  
Gold Silver ◽  
Inorganic Nanomaterials ◽  
Health Organization

In 2017 the World Health Organization (WHO) announced a list of the 12 multidrug-resistant (MDR) families of bacteria that pose the greatest threat to human health, and recommended that new measures should be taken to promote the development of new therapies against these superbugs. Few antibiotics have been developed in the last two decades. Part of this slow progression can be attributed to the surge in the resistance acquired by bacteria, which is holding back pharma companies from taking the risk to invest in new antibiotic entities. With limited antibiotic options and an escalating bacterial resistance there is an urgent need to explore alternative ways of meeting this global challenge. The field of medical nanotechnology has emerged as an innovative and a powerful tool for treating some of the most complicated health conditions. Different inorganic nanomaterials including gold, silver, and others have showed potential antibacterial efficacies. Interestingly, gold nanoparticles (AuNPs) have gained specific attention, due to their biocompatibility, ease of surface functionalization, and their optical properties. In this review, we will focus on the latest research, done in the field of antibacterial gold nanoparticles; by discussing the mechanisms of action, antibacterial efficacies, and future implementations of these innovative antibacterial systems.

Cryopreservation of sperm before gonadotoxic treatment at the University Hospital Brno in the years 1995–2020

2021 ◽  
Vol 86 (3) ◽  
pp. 156-162
Author(s):  
Pavel Ventruba ◽  
◽  
Jana Žáková ◽  
Michal Ješeta ◽  
Igor Crha ◽  
...  
Keyword(s):  
Testicular Cancer ◽  
Assisted Reproduction ◽  
University Hospital ◽  
World Health ◽  
Hematopoietic Tissue ◽  
Severe Oligozoospermia ◽  
Sperm Bank ◽  
Long Term Storage ◽  
Health Organization ◽  
Hodgkin's Lymphomas

Summary Objective: Sperm cryopreservation before gonadotoxic treatment is the basic and mos teffective method of preserving reproduction, which can be used during adolescence. The communication summarizes 26 years of experience in the operation of an oncological sperm bank, analyzes spermiograms of oncological patients, assesses the relationship between sperm pathology and diagnosis, and determines the number of deaths and the use of frozen sperm. Methods: During the existence of CAR 01 (assisted reproduction center), more than 50,000 spermiograms were performed. From January 1995 to December 2020, a total of 24,729 men were examined within the sperm bank, of which 1,448 (5.9%) had an oncological diagnosis. The spermiograms were evaluated according to current WHO (World Health Organization) manuals. Cryopreservation of sperm has undergone a major development. The rules for the storage of frozen cells have been laid down by Act No. 296/2008 Coll. since 2008. In 2019, the methodology „Cryopreservation of reproductive cells and tissues in patients before cancer treatment“ was updated. In all cases, the standard thawing technique was used. The sperms were processed by the swim-up method. As part of the treatment with assisted reproduction methods, oocytes were fertilized by the ICSI (intracytoplasmatic sperm injection) micromanipulation technique. Results: Out of 1,448 examined spermiograms in men with oncological diagnoses, testicular cancer was present in 43.7% of patients and malignant diseases of lymphatic and hematopoietic tissue were found in 24.1%, of which 70,1% included Hodgkin‘s lymphomas and 29,9% were non-Hodgkin‘s lymphomas. Leukemia was found in 7.9%, bone and cartilage cancers in 6.8%. The age of the clients of the whole group ranged from 13 to 64 years (27.2 ± 6.8 years). A total of 38.3% of men had normozoospermia, 54.2% of spermiograms showed pathological findings in 1 to 3 evaluated parameters and 7.5% of patients had azoospermia. Severe asthenozoospermia (mobility ≤ 10%) was detected in 57.2% of men and severe oligozoospermia (concentration ≤ 1 × 106 mm3) in 22.3% of patients. The lowest values of the spermiogram were found in men with testicular cancer; the best values were seen in CNS (central nervous system) cancers. The cryopreservation of sperm was performed in 1,340 cases (92.5%). So far, a total of 160 men (11.9%) have used frozen sperm, of which 6.2% in our center. In these 83 cases, the ICSI technique was always used, 38 clinical pregnancies (45.8%) and 32 births were achieved. We have registered 424 completed storages of semen (31.6%), of which 148 (11.0% of all oncology patients) were made due to death and the others at patients’ request. Using the sperm of the dead is a specific issue. Conclusion: In cancer patients, sperm pathologies occur in high percentage. The lowest spermiogram values were found in men with testicular cancer. It is necessary to take into account long-term storage and fertilization by micromanipulation methods. The number of men who die is significantly higher than the number of those who use sperm to treat infertility. Cryopreservation of sperm should be offered to each patient prior to the therapy leading to the destruction of spermatogenesis.

scholarly journals What is the level of uptake of Partner Notification Services in HIV testing  in Selected Health Facilities in Muranga County – Kenya; a retrospective Study

2020 ◽  
Author(s):  
Rewel Kariuki ◽  
Gilbert Koome Rithaa ◽  
Oyugi Elvis ◽  
Daniel Gachathi
Keyword(s):  
Hiv Testing ◽  
Partner Notification ◽  
Sexual Partners ◽  
Health Facilities ◽  
World Health ◽  
Hiv Positive ◽  
People Living With Hiv ◽  
Cross Sectional ◽  
Case Identification ◽  
Health Organization

Abstract Background: Identification of people living with HIV is key in HIV prevention and control. Partner Notification service is a World Health Organization backed strategy of reaching out to sexual partners of people diagnosed with HIV for HIV testing. However, its adoption and success rate in Kenya remains unknown.Methods: A cross sectional facility based study was undertaken in five purposively selected health facilities in Muranga County, Kenya. A retrospective review of patient medical records data for HIV positive index clients and their Sexual Partners conducted. Census approach applied to extract data for study subjects from Partner Notification Service registers for the period covering January 2017 to August 2018. Epi Info software was used for data analysis.Results: A total of 183 index clients offered Partner notification services. The mean age of the indexed clients studied was 39(SD ±13.1). Females comprised 64 % of clients studied. Of the 183 indexed clients, 89% accepted the services and elicited 216 sexual partners for tracing. The ratio of elicited sexual partners to index client was 1.3:1. Out of the 216 sexual partners, 77% were reached and tested. A total of 46 [32%] of the sexual partners elicited and traced, tested HIV positive. The most preferred approaches were provider referral (51%) and contract referral (45%). Dual referral (4%) was the least preferred approach. Conclusions: Partner notification services is acceptable and an effective strategy of increasing HIV case identification and raising awareness to exposed sexual partners in low resource countries.

A 59-Year-Old Woman With Immunotactoid Glomerulopathy, Heavy-Chain Disease, and Non-Hodgkin Lymphoma

2004 ◽  
Vol 128 (6) ◽  
pp. 689-692
Author(s):  
Erica Jacobson ◽  
Gregory Sharp ◽  
Jeffrey Rimmer ◽  
Bruce MacPherson
Keyword(s):  
Hodgkin Lymphoma ◽  
Heavy Chain ◽  
Average Diameter ◽  
World Health ◽  
Heavy Chains ◽  
Non Hodgkin Lymphoma ◽  
Immunotactoid Glomerulopathy ◽  
History Of ◽  
Health Organization ◽  
Heavy Chain Disease

Abstract Immunotactoid glomerulopathy is one of several renal disorders characterized by the extracellular deposition of nonamyloid fibrillary deposits. There is considerable debate as to whether immunotactoid glomerulopathy should be distinguished from fibrillary glomerulonephritis, a closely related entity. Currently, the distinction is based on fibril size and arrangement. We report the case of a 59-year-old woman in whom a diagnosis of immunotactoid glomerulopathy was made after a 2-year history of proteinuria. Electron microscopy of her renal biopsy showed randomly arranged microtubular subepithelial and mesangial deposits, which measured 34 nm in average diameter. She was later discovered to have circulating immunoglobulin G heavy chains without associated light chains (γ-heavy-chain disease) and, subsequently, non-Hodgkin lymphoma, follicular lymphoma, grade I (World Health Organization classification). Approximately 100 cases of γ-heavy-chain disease have been reported in the literature since it was originally described by Franklin in 1964. However, while there are 10 reports in the literature of heavy-chain disease with fibrillary deposits in the kidney, none fit the criteria for immunotactoid glomerulopathy.

Hodgkin Lymphoma–like Posttransplantation Lymphoproliferative Disorder

2006 ◽  
Vol 130 (4) ◽  
pp. 558-560 ◽  
Author(s):  
Barbara Semakula; ◽  
Jon V. Rittenbach ◽  
Jun Wang
Keyword(s):  
B Cell ◽  
Hodgkin Lymphoma ◽  
Lymphoproliferative Disorder ◽  
Molecular Genetic ◽  
Lymphoproliferative Disorders ◽  
World Health ◽  
Solid Organ ◽  
World Health Organization Classification ◽  
Health Organization ◽  
Posttransplantation Lymphoproliferative Disorder

Abstract Posttransplantation lymphoproliferative disorders (PTLD) are a heterogeneous group of monoclonal or polyclonal lymphoproliferative lesions that occur in immunosuppressed recipients following solid organ or bone marrow transplantation, including 4 categories: (1) early lesions (reactive plasmacytic hyperplasia, and infectious-mononucleosis–like PTLD), (2) polymorphic PTLD, (3) monomorphic PTLD (including B-cell neoplasms and T-cell neoplasms), and (4) Hodgkin lymphoma (HL) and HL-like PTLD in the current World Health Organization classification. Although HL-like PTLD has been grouped with classic HL PTLD, controversy remains as to whether it is truly a form of HL or whether it should be more appropriately considered as a form of B-cell PTLD. The current available literature data indicate the presence of important immunophenotypic, molecular genetic, and clinical differences between HL PTLD and HL-like PTLD, suggesting that HL-like PTLD is in fact most often a form of B-cell PTLD. Distinction from true HL may be important for clinical management and prognosis.

scholarly journals Outcomes of Coronavirus Disease 2019 (COVID-19) Related Hospitalization Among People With Human Immunodeficiency Virus (HIV) in the ISARIC World Health Organization (WHO) Clinical Characterization Protocol (UK): A Prospective Observational Study

2020 ◽  
Author(s):  
Anna Maria Geretti ◽  
Alexander J Stockdale ◽  
Sophie H Kelly ◽  
Muge Cevik ◽  
Simon Collins ◽  
...  
Keyword(s):  
Human Immunodeficiency Virus ◽  
World Health Organization ◽  
Cox Regression ◽  
World Health ◽  
Rank Test ◽  
Hiv Positive ◽  
Protein Levels ◽  
Increased Risk ◽  
Immunodeficiency Virus ◽  
Health Organization

Abstract Background Evidence is conflicting about how human immunodeficiency virus (HIV) modulates coronavirus disease 2019 (COVID-19). We compared the presentation characteristics and outcomes of adults with and without HIV who were hospitalized with COVID-19 at 207 centers across the United Kingdom and whose data were prospectively captured by the International Severe Acute Respiratory and Emerging Infection Consortium (ISARIC) World Health Organization (WHO) Clinical Characterization Protocol (CCP) study. Methods We used Kaplan-Meier methods and Cox regression to describe the association between HIV status and day-28 mortality, after separate adjustment for sex, ethnicity, age, hospital acquisition of COVID-19 (definite hospital acquisition excluded), presentation date, 10 individual comorbidities, and disease severity at presentation (as defined by hypoxia or oxygen therapy). Results Among 47 592 patients, 122 (0.26%) had confirmed HIV infection, and 112/122 (91.8%) had a record of antiretroviral therapy. At presentation, HIV-positive people were younger (median 56 vs 74 years; P < .001) and had fewer comorbidities, more systemic symptoms and higher lymphocyte counts and C-reactive protein levels. The cumulative day-28 mortality was similar in the HIV-positive versus HIV-negative groups (26.7% vs. 32.1%; P = .16), but in those under 60 years of age HIV-positive status was associated with increased mortality (21.3% vs. 9.6%; P < .001 [log-rank test]). Mortality was higher among people with HIV after adjusting for age (adjusted hazard ratio [aHR] 1.47, 95% confidence interval [CI] 1.01–2.14; P = .05), and the association persisted after adjusting for the other variables (aHR 1.69; 95% CI 1.15–2.48; P = .008) and when restricting the analysis to people aged <60 years (aHR 2.87; 95% CI 1.70–4.84; P < .001). Conclusions HIV-positive status was associated with an increased risk of day-28 mortality among patients hospitalized for COVID-19.

Gemcitabine as a Single Agent in the Treatment of Relapsed or Refractory Aggressive Non-Hodgkin's Lymphoma

1999 ◽  
Vol 17 (12) ◽  
pp. 3786-3792 ◽  
Author(s):  
A. Fosså ◽  
A. Santoro ◽  
W. Hiddemann ◽  
L. Truemper ◽  
N. Niederle ◽  
...  
Keyword(s):  
Partial Response ◽  
Confidence Interval ◽  
Karnofsky Performance Status ◽  
Performance Status ◽  
Single Agent ◽  
World Health ◽  
Hematologic Toxicity ◽  
Grade 3 ◽  
Health Organization ◽  
Hodgkin's Lymphomas

PURPOSE: A multicenter phase II trial was conducted to evaluate the efficacy and toxicity of gemcitabine in patients with relapsed or refractory aggressive non-Hodgkin's lymphomas (NHL). PATIENTS AND METHODS: Thirty-one patients with B-cell intermediate or high-grade NHL (Working Formulation) were enrolled onto the study. The median age was 61 years, with a Karnofsky performance status of ≤ 80% in 65% of patients. Forty-eight percent had stage III or IV (Ann Arbor Classification) at study entry. Pretreatment consisted of one, two, or three chemotherapeutic regimens in nine, 11, and 11 patients, respectively. Gemcitabine 1,250 mg/m2 was administered intravenously over 30 minutes on days 1, 8, and 15 of a 28-day schedule. RESULTS: Thirty patients were assessable for efficacy, and 31 were assessable for toxicity. No complete responses were observed, but six patients showed a partial response, 11 stable disease, and 13 progressive disease. The overall response rate was 20% (95% confidence interval, 8% to 39%) for assessable patients and 19% (95% confidence interval, 8% to 34%) for the intent-to-treat analysis. The median duration of partial response was 6 months (range, 3.7 to 15+ months). Nonhematologic World Health Organization grade 3 toxicity included hepatic toxicity in four patients and infection in two. Hematologic toxicity was observed as grade 3 anemia in three patients, grade 3 leukopenia in two patients, grade 3/4 neutropenia in two patients, and grade 3/4 thrombocytopenia in six patients. CONCLUSION: The present schedule of gemcitabine displays modest efficacy and mild toxicity in pretreated aggressive NHL.

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