نتایج جستجو برای: myelodysplastic syndrome
تعداد نتایج: 625034 فیلتر نتایج به سال:
BACKGROUND The adult myeloid diseases, myelodysplastic syndrome and acute myeloid leukemia, have been reported to be associated with cigarette smoking, but the results have been conflicting. Previous studies may have ignored the relationship between myelodysplastic syndrome and acute myeloid leukemia, where approximately one-third of myelodysplastic syndrome cases will progress to acute myeloid...
Introduction: Myelodysplastic syndrome is a pathology characterized by its hematopoietic, pluripotential ineffective process in the bone marrow, i.e. causing dysplasia at least one of hematopoietic lines with functional and morphological alterations, which, some point may evolve into leukemia. Objective: review, analyze describe most notable features myelodysplastic syndromes. Methodology: A to...
Expansion of regulatory T cells occurs in high-risk myelodysplastic syndrome and correlates with a poor prognosis. DNA methyltransferase inhibitors, particularly 5-azacytidine, have been shown to increase the survival of patients with high-risk myelodysplastic syndrome. It is not entirely clear whether this improvement in patients' survival is related to the effects of DNA methyltransferase inh...
A 69-year-old Caucasian female, with a previous diagnosis of 5q minus myelodysplastic syndrome, presented with conventional renal cell carcinoma (RCC) associated with multiple-epithelioid nonnecrotizing granulomas. Two previous reports of sarcoidosis, primarily involving the lung and skin, have been described in patients with 5q minus myelodysplasia. A cluster of closely linked genes encoding f...
Most patients with myelodysplastic syndrome eventually become dependent on regular red cell transfusions. This dependency has a negative impact on clinical outcome, primarily because it may be associated with more severe marrow failure. In addition, however, transfusion dependency may involve clinical consequences of chronic anemia and iron overload. Although transfusion iron is primarily taken...
Fanconi anemia (AF) is a hereditary genetic disease characterized by developmental abnormalities, progressive bone marrow failure, hypersensitivity to alkylating agents, and tendency hematological solid tumors throughout life. The only curative option in the treatment of failure patients with AF allogeneic hematopoietic stem cell transplantation (allo-HSCT). There are no detailed descriptions a...
A 64-year-old British Caucasian man presented with red skin wheals and breathlessness and then developed a progressive neurological syndrome. Investigation revealed hereditary haemachromatosis, porphyria, and a myelodysplastic syndrome. No unifying diagnosis was made, and his neurological symptoms remained unexplained, until further studies revealed an underlying copper deficiency.
Myelolipoma is one of the rare causes of posterior mediastinal tumor. Surgical excision is effective, which differs from the treatment of extramedullary disease usually concomitant with myelodysplastic syndrome. Cytogenetic analysis suggests the bone marrow cell originating myelolipoma.
BACKGROUND The loss of CD20 protein expression after a rituximab-containing regimen is one of the resistance mechanisms in non-Hodgkin's lymphoma. Recently, it was reported that 5-azacitidine administration upregulates the expression of CD20 in CD20-negative B-cell acute lymphoblastic leukemia. Here we report a similar upregulation in a patient with follicular lymphoma who was treated with 5-az...
To identify cytogenetic risk factors predicting outcome in children with advanced myelodysplastic syndrome, overall survival of 192 children prospectively enrolled in European Working Group of Myelodysplastic Syndrome in Childhood studies was evaluated with regard to karyotypic complexity. Structurally complex constitutes a new definition of complex karyotype characterized by more than or equal...
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