نتایج جستجو برای: precursor cell lymphoblastic leukemia
تعداد نتایج: 1812682 فیلتر نتایج به سال:
Experiments were conducted to determine the effect of low mol wt B cell growth factor (L-BCGF) on B cell precursor acute lymphoblastic leukemia (ALL). L-BCGF induced a significant increase in 3H-TdR incorporation in 28 of 37 bone marrow aspirates from patients with B cell precursor ALL, with stimulation indices ranging from 2 to 129. Fluorescence-activated cell sorting confirmed that in five of...
T-cell acute lymphoblastic leukemia is an aggressive hematologic malignancy which is usuallyassociated with unfavorable prognosis particularly in patients with refractory/relapsed disease.Therefore, development of novel therapeutic strategies is highly required for improving theoutcome of these patients. Although there are several studies evaluating the efficacy of proteasome<...
BACKGROUND Several studies have demonstrated that patients with childhood acute lymphoblastic leukemia presenting with mild anemia at diagnosis have an increased risk of poor outcome compared to patients with more severe anemia. However, it has not been reported whether there is any correlation between degree of anemia and leukemia subtype. DESIGN AND METHODS In a cohort of 1162 patients with...
Recurrent deletions of the long arm of chromosome 5 were detected in 23/200 cases of T-cell acute lymphoblastic leukemia. Genomic studies identified two types of deletions: interstitial and terminal. Interstitial 5q deletions, found in five cases, were present in both adults and children with a female predominance (chi-square, P=0.012). Interestingly, these cases resembled immature/early T-cell...
ALL is now diagnosed and classified according to the WHO classification of neoplastic disease of hematopoietic and lymphoid tissues [2]. ALL is defined by the presence of ≥ 20% lymphoblasts in the marrow or peripheral blood. This is a change from the previous FAB classification, which required ≥ 30% blasts [3]. The relationship between ALL and lymphoblastic lymphoma remains unclear. Under the W...
INTRODUCTION Acute leukemias very rarely present with jaundice. Herein we report a case of precursor B-cell acute lymphoblastic leukemia that presented with jaundice in an adult. CASE PRESENTATION A 44-year-old Hispanic man presented with right upper quadrant abdominal pain and jaundice. His initial blood work revealed pancytopenia and hyperbilirubinemia. Direct bilirubin was more than 50% of...
Midface bones are an unusual site for primary presentation and relapse in acute lymphoblastic leukemia. Herein, we describe a case of acute pre B cell lymphoblastic leukemia with leukemic infiltration of maxilla and bone marrow involvement. At the time of relapse, the patient presented again with maxilla involvement and the phenotype changed to biphenotypic lymphoblastic leukemia. Our case sug...
purpose: to report an unusual ocular presentation of a relapse of acute lymphoblastic leukemia. case report: a 9-year-old girl presented with a subconjunctival mass and ipsilateral preauricular lymphadenopathy. she had history of acute lymphoblastic leukemia (all) in remission but had a normal blood cell profile. because of corneal dellen formation and enlargement of the mass over a 2-week peri...
Aim: Leukemia targets are one of the most common childhood malignancies. Epstein-Barr virus is a tumorigenic virus of the herpes family of viruses and causes primary infection in young children. The aim of this study was to evaluate the increase in NFKB expression following EBV virus and its contribution to the half-life of EBV-positive acute lymphoblastic leukemia patients. Materials and Meth...
midface bones are an unusual site for primary presentation and relapse in acute lymphoblastic leukemia. herein, we describe a case of acute pre b cell lymphoblastic leukemia with leukemic infiltration of maxilla and bone marrow involvement. at the time of relapse, the patient presented again with maxilla involvement and the phenotype changed to biphenotypic lymphoblastic leukemia. our case sugg...
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