نتایج جستجو برای: chronic lymphocytic leukemia cll
تعداد نتایج: 735072 فیلتر نتایج به سال:
PURPOSE Currently, pathogenesis, new prognostic factors, or new therapy in chronic lymphocytic leukemia (CLL) are frequently discussed; however, up-to-date data concerning the incidence and the management of CLL in everyday hematologic practice are still missing. The aim of our study was to find out the accurate epidemiologic situation of CLL and the diagnostic and therapeutic preferences of he...
Purified human thymus-derived (T) lymphocytes were analyzed by detection of Fc receptors for either IgG or IgM in healthy controls and in patients with chronic lymphocytic leukemia (CLL). There was a significant and persistent increase in the numbers of T cells bearing receptors for IgG (Fc gamma) in CLL patients in comparison to the controls. After an in vitro culture period, there was a signi...
Lactic dehydrogenase (LDH) was quantitated and the isozyme pattern studied in lymphocyte subpopulations from normal people and patients with chronic lymphocytic leukemia (CLL). Normal T lymphocytes differed from normal B lymphocytes in having greater total LDH activity (597.2 versus 252.1). Total LDH activity in CLL T cells (347.1) was lower than normal T cells., but not significantly different...
The most common human leukemia is B cell chronic lymphocytic leukemia (CLL), a malignancy of mature B cells with a characteristic clinical presentation but a variable clinical course. The rearranged immunoglobulin (Ig) genes of CLL cells may be either germ-line in sequence or somatically mutated. Lack of Ig mutations defined a distinctly worse prognostic group of CLL patients raising the possib...
Background: Patients with B-cell chronic lymphocytic leukemia (B-CLL) have hetero-geneous clinical courses, thus several biological parameters need to be added to the cur-rent clinical staging systems to predict disease outcome. Recent immunophenotypic stud-ies performed mainly in Western populations have demonstrated the prognostic value of CD38 and ZAP-70 expression in B-CLL. Objectives: To i...
Introduction. Determining the cause of shoulder pain is usually a challenge as many problems, such rheumatoid arthritis, osteoarthritis, osteonecrosis, rotator cuff arthropathy, traumatic fractures, conditions cervical vertebra, and neo-plasms, can produce similar symptoms. The diagnosis regarded incidental, however, chronic lymphocytic leukemia (CLL) by histopathological evaluation performed o...
BACKGROUND AND OBJECTIVES Given the prognostic relevance that the identification of mutated and germline subgroups of chronic lymphocytic leukemia (CLL) has recently acquired we set out to analyze in depth individual VH gene usage rearrangements in patients with mutated and germline CLL. DESIGN AND METHODS Using sequence analysis of FR1/JH polymerase chain reaction products, the VH immunoglob...
The TCL1 gene at 14q32.1 is involved in chromosomal translocations and inversions in mature T cell leukemias. These leukemias are classified either as T prolymphocytic leukemias, which occur very late in life, or as T chronic lymphocytic leukemias, which often arise in patients with ataxia telangiectasia (AT) at a young age. In transgenic animals, the deregulated expression of TCL1 leads to mat...
The coexistence of chronic myeloid leukemia (CML) and B-cell chronic lymphocytic leukemia (CLL) in the same patient is rare. A 71-year-old woman developed a B-lineage lymphoid blast crisis at 18 months after diagnosis of Ph-positive CML. At this time, a lymphoid cell population with morphologic and immunophenotypic features of CLL was demonstrated. The retrospective review of the tests performe...
Malignant B cells in chronic lymphocytic leukemia serve an essential role in the whole immune response, so their interactions with other immune cells are more complex than observed in solid tumors. The latest study results indicate that the immune dysregulation in chronic lymphocytic leukemia (CLL) also affects a small population of invariant natural killer T cells (iNKT). Using peripheral bloo...
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