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Aplastic anemia [2] (AA) [3] is a severe hematologic condition in which the body fails to make blood cells in sufficient numbers. Blood cells are produced in the bone marrow by stem cells that reside there. [4] Aplastic anemia causes a deficiency of all blood cell types: red blood cells, white blood cells, and platelets. [5] [6]
Bone marrow failure in both children and adults can be either inherited or acquired. Inherited bone marrow failure is often the cause in young children, while older children and adults may acquire the disease later in life. [3] Acquired bone marrow failure may be due to aplastic anemia [4] or myelodysplastic syndrome.
Pure red cell aplasia (PRCA) or erythroblastopenia refers to a type of aplastic anemia affecting the precursors to red blood cells but usually not to white blood cells. In PRCA, the bone marrow ceases to produce red blood cells. There are multiple etiologies that can cause PRCA.
Anemia of prematurity is a form of anemia affecting preterm infants [25] with decreased hematocrit. [26] Aplastic anemia: D60-D61: 866: Aplastic anemia is a condition where bone marrow does not produce sufficient new cells to replenish blood cells. [27] Autoimmune hemolytic anemia: D59.0-D59.1
Aplastic anemia is a bone marrow failure syndrome characterized by peripheral pancytopenia and bone marrow hypoplasia. Although the anemia is usually normocytic, mild macrocytosis can be seen in conjunction with stress erythropoiesis and raised fetal hemoglobin levels. Aplastic anemia patients present with symptoms related to a decrease in ...
Anemia of kidney failure [35] (also causing stem cell dysfunction) Other mechanisms of impaired RBC production Myelophthisic anemia [35] or myelophthisis is a severe type of anemia resulting from the replacement of bone marrow by other materials, such as malignant tumors, fibrosis, or granulomas. Myelodysplastic syndrome [35]
Anemia – a reduction of the ... This is a life-threatening disorder that is a characteristic of aplastic anemia ... Refractory cytopenia is caused by bone marrow ...
If pancytopenia is present, bone marrow failure [4] must be considered and evaluation for bone marrow failure syndromes or aplastic anemia must be pursued. Treatment is dependent on the etiology and may include replacement of blood products as patients can develop severe anemia. [3]