Inherited bone marrow failure syndromes are disorders of hematopoiesis that mostly encountered in childhood. Taking the basisfrom genetics, they characterized by pancytopenia, increased risk developing myelodysplastic syndrome and malignancy.Extrahematopoietic presentations observed often addition to symptoms related defective (also known asbone failure). The biology, clinical features, managem...

Background Myelodysplastic syndromes are clonal myeloid disorders marked by ineffective hematopoiesis, cytopenia and qualitative disorders of blood cells that have a variable predilection to undergo clonal evolution to acute myelogenous leukemia. Chronic infection with hepatitis C virus (HCV) induces a chronic stimulation of B lymphocytes and, in some cases, this stimulation can lead to chronic...

BACKGROUND The highly orchestrated process of blood cell development and homeostasis is termed "hematopoiesis." Understanding the biology of hematopoietic stem cells as well as hematopoiesis is important to developing improved treatments for hematologic malignancies, congenital disorders, chemotherapy-related cytopenias, and blood and marrow transplants. METHODS The author reviews the current...

Myelofibrosis (MF) is one of the Philadelphia chromosome-negative clonal myeloproliferative disorders or chronic myeloid disorders, and it is caused by much deposit of collagen substances in bone marrow, definitely is classified as hematopoietic stem cells clonal abnormality, and related to chronic myeloproliferative disorders characterized by striking figure of extra-medullary hematopoiesis. ...

Zebrafish is an established model for the study of vertebrate development, and is especially amenable for investigating hematopoiesis, where there is strong conservation of key lineages, genes, and developmental processes with humans. Over recent years, zebrafish has been increasingly utilized as a model for a range of human hematopoietic diseases, including malignancies. This review provides a...

The following conclusions were drawn from the ferrokinetic studies using 59Fe in mice, whose hematological disorders were induced by various treatments. 1. The ferrokinetics in the normal mice were studied. 2. Chloramphenicol (CP) administration in mice first induced ferrokinetics disturbances and then suppressed erythropoiesis. 3. Splenectomy induced hypererythropoiesis in the bone marrow, and...

Extramedullary hematopoiesis (EMH) occurs under various circumstances, including during embryonic/developmental periods, pathological status secondary to insufficient bone marrow function or ineffective hematopoiesis, in hematological disorders, for example malignancies, as well as stromal disorders of the bone. EMH is characterized by hematopoietic cell accumulations in multiple body locations...

Extramedullary hematopoietic effusion (EHE) is one of the extremely rare phenomena associated with extramedullary hematopoiesis, which caused by serous effusions, including pleural effusion, and may be related to hematologic disorders neoplasms. Herein, we present case an 81-year-old man EHE accompanying Waldenström's macroglobulinemia (WM). The patient complained anemia dyspnea. chest X-ray co...

Spinal cord compression due to extramedullary hematopoiesis is a well-described and rare syndrome encountered in several hematological disorders including β-thalassemia. Hereby, a 37-year old pregnant woman with intermediate β -thalassemia with paraparesis and lower limb hypoesthesia was presented. MRI s...