نتایج جستجو برای: malignant lymphoproliferative
تعداد نتایج: 217789 فیلتر نتایج به سال:
Chronic Epstein-Barr virus infection causing both benign and malignant lymphoproliferative disorders
Indirect immunofluorescence staining with monoclonal antibody (MoAb) CL203.4 of malignant cells from 269 patients with hematologic malignancies showed a heterogeneous expression of CD54/intercellular adhesion molecule-1 (ICAM-1). This marker was expressed by malignant cells of 57 out of 118 patients with myeloid malignancies and 69 out of 135 with B-lymphoid malignancies. On the other hand, CD5...
Autoimmune diseases (ADs) have close relationship with the onset of malignant lymphoma. They closely tie to lymphoma. Immune disorders might play an important role in transformation from ADs to lymphoma. DLBCL occurred after autoimmune hematological diseases and autoimmune lymphoproliferative syndrome (ALPS) was rare. The interval between ADs and DLBCL was long and the pathogenesis might be rel...
we present here a 32-year-old male with advanced lately diagnosed, right sided retroperitoneal mass, which had been already treated due to progressive muco-cutaneous lesions clinically consistent with psoriasis, during recent four years. the advanced retroperitoneal mass resected surgically and reported as hyaline-vascular castleman disease with a dense focus of coarse calcification, on histopa...
BACKGROUND Increased mortality from lymphoid malignancies following exposure to environmental selenium has recently been reported. Moreover, conflicting results have been found in investigations examining the relationship between serum concentrations of selenium and some clinical features of malignant lymphoproliferative diseases. METHODS Serum concentrations of selenium were analyzed by atom...
Glycosaminoglycans (GAGs) such as chondroitin are ubiquitous disaccharide carbohydrate chains that contribute to the formation and function of proteoglycans at the cell membrane and in the extracellular matrix. Although GAG-modifying enzymes are required for diverse cellular functions, the role of these proteins in human development and disease is less well understood. Here, we describe two sis...
patients and methods manganese superoxide dismutase polymorphism was genotyped using polymerase chain reaction-restriction fragment length polymorphism (pcr-rflp) in 103 patients with mlds and 103 healthy control subjects. conclusions according to the fact that mn-sod gene polymorphisms have been considered as a major risk factor in some malignancies, this single center study did not find any a...
Chronic lymphoproliferative disorders of natural killer cells (CLPD-NKs) and T-cell large granular lymphocytic leukemias (T-LGLs) are clonal lymphoproliferations arising from either natural killer cells or cytotoxic T lymphocytes (CTLs). We have investigated for distribution and functional significance of mutations in 50 CLPD-NKs and 120 T-LGL patients by direct sequencing, allele-specific PCR,...
A variety of nonmalignant cells present in the tumor microenvironment promotes tumorigenesis by stimulating tumor cell growth and metastasis or suppressing host immunity. The role of such stromal cells in T-cell lymphoproliferative disorders is incompletely understood. Monocyte-derived cells (MDCs), including professional antigen-presenting cells such as dendritic cells (DCs), play a central ro...
This study reports the incidence of HBsAg in a series of chronic lymphoproliferative disorders in which a high incidence of cirrhoses had been previously observed. Twenty-three cases were collected from the necropsy records. The type of lymphoma was reviewed in the light of the new functional classifications of non-Hodgkin malignant lymphomas introduced by Lennert and Lukes. The presence of HBs...
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