نتایج جستجو برای: hematologic neoplasm
تعداد نتایج: 201747 فیلتر نتایج به سال:
Introduction: Myelofibrosis (MF) is a chronic myeloid neoplasm that bears a significant symptom burden, impacts on quality of life and carries a risk of transformation to acute leukemia. Advances in MF therapy by inhibition of Janus kinase type 2 (JAK2) receptor have shown clinical improvements in spleen size and symptom burden, but are often limited by hematological side effects. Areas covered...
Multiple myeloma (MM) is a malignant neoplasm of plasma cells that constitutes 1% of all cancers and 10% of hematologic neoplasms. MM is the second most common hematologic malignancy after nonHodgkin’s lymphoma. It is estimated that 21,700 new cases of MM (approximately 12,190 men and 9,510 women) will be diagnosed during 2012 in the United States, and approximately 10,710 individuals (6,020 me...
Cyclooxygenase 2 (COX-2) is an inflammation-associated enzyme involved in the pathogenesis of many solid tumors, but little is known about its presence and role in hematologic neoplasms. Multiple myeloma (MM) is known to involve a deregulated cytokine network with secretion of inflammatory mediators. We thus decided to investigate the involvement of COX-2 in this neoplasm. Western blotting (WB)...
Primary myelofibrosis (PMF) commonly results in extramedullary hematopoiesis (EMH) in the spleen and liver as well as a variety of other organs. We present a first report of a unique presentation of PMF in a liver transplant recipient patient as EMH in the transplanted liver graft. A 76-year-old man with history of cryptogenic cirrhosis received cadaveric liver transplantation in 1996. He maint...
Purpose: Acute myeloid leukemia (AML) is an aggressive hematologic neoplasm. Recent evidence has shown the bone marrow microenvironment in patients with AML to be intrinsically hypoxic. Adaptive cellular responses by leukemia cells to survive under low oxygenation also confer chemoresistance. We therefore asked whether therapeutic exploitation of marrow hypoxia via the hypoxia-activated nitroge...
Although eosinophilic fasciitis (EF) may precede hematologic malignancy or Hodgkin's disease, association with peripheral T-cell lymphoma (PTCL) is extremely rare. Only four cases of EF preceding or concomitant PTCL have been reported in the world literature. We experienced the first Korean case of EF complicated by the later relapse of peripheral T-cell lymphoma. A 63-year-old Korean male has ...
a set of one hundred and twenty nine patients with known primary malignancy and suspected brain metastasis was reviewed in present study. the patients were selected among patients presented to the mri section of imam khomeini hospital or a private mri center in tabriz (iran). primary tumor site, clinical manifestations, number and site of lesions were identified in this patient population. the ...
T-cell acute lymphoblastic leukemia (T-ALL) is a hematologic neoplasm characterized by malignant expansion of immature T cells. Activated NOTCH (NotchIC) and c-MYC expression are increased in a large percentage of human T-ALL tumors. Furthermore, c-MYC has been shown to be a NOTCH target gene. Although activating mutations of Notch have been found in human T-ALL tumors, there is little evidence...
Mixed phenotype acute leukemia (MPAL) is a rare neoplasm which accounts for 2-5% of all leukemias and it is classified under heading of acute leukemia of ambiguous lineage in 2008 WHO classification. This patient was a 61-year-old man who presented with malaise and weakness. In physical examination there was cervical and axillary lymphadenopathy. Paraclinical evaluation revealed anemia (Hb = 10...
T-cell acute lymphoblastic leukemia (T-ALL) is a hematologic neoplasm characterized by malignant expansion of immature T cells. Activated NOTCH (Notch(IC)) and c-MYC expression are increased in a large percentage of human T-ALL tumors. Furthermore, c-MYC has been shown to be a NOTCH target gene. Although activating mutations of Notch have been found in human T-ALL tumors, there is little eviden...
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