نتایج جستجو برای: plasmablastic lymphoma
تعداد نتایج: 102389 فیلتر نتایج به سال:
Plasmablastic lymphoma (PBL) is an uncommon malignancy which predominantly occurs in the oral cavity of human immunodeficiency virus (HIV)-positive patients. Sporadic cases have been published describing PBL in immunocompetent patients as well as in immunodeficient patients following immunosuppressive therapy or transplantation. We hereby reported a case of PBL in a 69-year-old, HIV-negative ma...
OBJECTIVE Follicular dendritic cells (FDCs) and interdigitating dendritic cells (IDCs) are dendritic cells found in lymphoid follicles, reactive follicles and in lymphomas. The goal of this study was to evaluate the presence and distribution of FDCs and IDCs in oral lymphomas. MATERIAL AND METHODS Immunohistochemistry reactions were applied to 50 oral lymphomas using the antibodies anti-CD21,...
Anaplastic lymphoma kinase-(ALK-) positive large B-cell lymphoma (ALK+ LBCL) is a rare, aggressive tumor characterized by an immunoblastic or plasmablastic morphologic appearance, expression of ALK, CD138, CD45, EMA, and often IgA by immunohistochemistry, and characteristic chromosomal translocations or rearrangements involving the ALK locus. The morphologic and immunophenotypic overlap of this...
Cutaneous B cell lymphoma (CBCL) is a lymphoproliferative disorder of neoplastic B cell of the skin with a wide range of clinical manifestations. Commonly, the clinical features of CBCL are plaques, nodules, or ulcerative lesions. Skin is one of the common sites for extra-nodal lymphomas in patients with AIDS and B cell type is less common than T cell type. Only recently, the existence of B cel...
Plasmablastic lymphoma (PBL) is a rare B-cell neoplasm mostly described in human immunodeficiency virus-infected patients. Herein, we described a case of PBL presenting as gastric mass in a 21-year-old young adult without known immunodeficiency. The histological examination of the specimen showed a diffuse proliferation of round- to oval-shaped large cells with scant cytoplasm, and prominent nu...
The introduction of combined antiretroviral therapy (ART) has reduced the mortality of patients with human immunodeficiency virus-1 infection worldwide. However, malignant lymphoma is a severe and frequent complication seen in patients with acquired immunodeficiency syndrome (AIDS). The diagnostic criteria for some categories of AIDS-related lymphoma were revised in the World Health Organizatio...
The biologic basis of the negative prognosis of plasmablastic myeloma is not fully understood. To determine whether histologically aggressive multiple myeloma (MM) is associated with a more angiogenic marrow environment, bone marrow samples from 50 recently diagnosed MM patients were evaluated. Twelve percent (6/50) of patients presented plasmablastic MM, and this feature correlated with modera...
Introduction Plasmablastic lymphoma(PBL)，an extremely rare subtype of B-cell non-Hodgkin lymphoma, is characterized by aggressiveness, rapid progression and bleak prognosis. Neither standardized regimen nor consensus for PBL treatment has been established. Material methods We retrospectively analyzed the clinicopathologic characteristics, therapeutic modalities survival outcomes 418 patients re...
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