inherited bone marrow failure syndromes

... Myelodysplasia, and Related Bone Marrow Failure Syndromes (Part 1) Harrison's Internal Medicine > Chapter 102. Aplastic Anemia, Myelodysplasia, and Related Bone Marrow Failure Syndromes Aplastic ... leukemia (AML) Some acute lymphoid leukemia Some lymphomas of bone marrow Pancytopenia with Cellular Bone Marrow Primary bone marrow diseases Myelodysplasia Paroxysmal nocturnal Secondary ... leukopenias). Hematopoietic failure syndromes are classified by dominant morphologic features of the bone marrow (Table 102-1). While practical distinction among these syndromes usually is clear,...

Ngày tải lên: 07/07/2014, 04:20

... Aplastic Anemia, Myelodysplasia, and Related Bone Marrow Failure Syndromes (Part 2) Aplastic Anemia Definition Aplastic anemia is pancytopenia with bone marrow hypocellularity. Acquired aplastic ... bone marrow hypocellularity. Acquired aplastic anemia is distinguished from iatrogenic marrow aplasia, marrow hypocellularity after intensive cytotoxic chemotherapy for cancer. Aplastic anemia ... typical physical anomalies and the development of pancytopenia early in life, can also present as marrow failure in normal-appearing adults. Acquired aplastic anemia is often stereotypical in its...

Ngày tải lên: 07/07/2014, 04:20

... Chapter 102. Aplastic Anemia, Myelodysplasia, and Related Bone Marrow Failure Syndromes (Part 3) Radiation Marrow aplasia is a major acute sequela of radiation. Radiation damages ... a notorious cause of bone marrow failure. Vast quantities of epidemiologic, clinical, and laboratory data link benzene to aplastic anemia, acute leukemia, and blood and marrow abnormalities. ... environment. The association between marrow failure and other chemicals is much less well substantiated. Drugs (Table 102-3) Many chemotherapeutic drugs have marrow suppression as a major toxicity;...

Ngày tải lên: 07/07/2014, 04:20

... cooperate in a repair complex to maintain telomere length. In Shwachman-Diamond syndrome, marrow failure is seen with pancreatic insufficiency and malabsorption; most patients have compound ... thrombotic episodes occur in patients with large PNH clones (>50%). Functional studies of bone marrow from PNH patients, even those with mainly hemolytic manifestations, show evidence of ... an initial clinical diagnosis of PNH, especially younger individuals, may later develop frank marrow aplasia and pancytopenia; patients with an initial diagnosis of aplastic anemia may suffer...

Ngày tải lên: 07/07/2014, 04:20

... Related Bone Marrow Failure Syndromes (Part 5) Pathophysiology Bone marrow failure results from severe damage to the hematopoietic cell compartment. In aplastic anemia, replacement of the bone ... responsible for benzene-induced tissue injury. Excessive generation of toxic intermediates or failure to detoxify the intermediates may be genetically determined and apparent only on specific ... severe damage to the hematopoietic cell compartment. In aplastic anemia, replacement of the bone marrow by fat is apparent in the morphology of the biopsy specimen (Fig. 102-1) and MRI of the...

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Ngày tải lên: 07/07/2014, 04:20

... resurrection after bone- marrow- derived Anastasiadis et al. Journal of Translational Medicine 2011, 9:12 http://www.translational-medicine.com/content/9/1/12 Page 4 of 5 Chronic ischemic heart failure epidemic. ... al.: Hybrid approach of ventricular assist device and autologous bone marrow stem cells implantation in end-stage ischemic heart failure enhances myocardial reperfusion. Journal of Translational ... Cardiol 2002, 39:1189-1198. 8. McMurray JV, Pfeffer MA: Heart failure. Lancet 2005, 365:1877-1889. 9. Gheorghiade M, Bonow RO: Chronic heart failure in the United States: a manifestation of coronary...

Ngày tải lên: 18/06/2014, 16:20

... http://www.medsci.org 75 searchers have transplanted the bone marrow stem cells into the necrotic femoral heads, and results show bone marrow stem cells can remove vascular lesions and promote ... GFP labeled MSCs were noted in the lungs, liver, bone marrow and normal and necrotic femoral heads of rabbits, and the number of MSCs in bone marrow was higher than that in the, femoral head, ... with autologous bone marrow grafting. Indian J Orthop. 2009 Jan;43(1):40-45 35. Sun Y, Feng Y, Zhang C. The effect of bone marrow mononu- clear cells on vascularization and bone regeneration in...

Ngày tải lên: 25/10/2012, 11:18

... All rights reserved Research paper Polysaccharides from the root of Angelica sinensis protect bone marrow and gastrointestinal tissues against the cytotoxicity of cyclophosphamide in mice Marco ... hemopoietic stem cells. It is not known whether AP has an effect on CY-induced cytotoxicity on bone marrow and gastrointestinal tract. In this study, we assessed the protective actions of AP on ... cancer therapeutic regimen. In the present study, we investigated whether AP could protect the bone marrow and the gastrointestinal tissues from the cytotoxicity of CY in mice. We also profiled...

Ngày tải lên: 02/11/2012, 10:19

... graft-versus-host disease after bone marrow transplantation. Thorax 39:887, 1984 IO. Graham J, Muller NL, Miller RR, Shepherd JD: Intrathoracic complications following allogeneic bone marrow transplantation. ... following pediat- ric bone marrow transplantation. Society for Pediatric Radiology, Colorado Springs, CO April 29, 1994 15. Thomas ED, Storb R, Clift RA: Bone marrow transplantation. ... air-flow obstruction in marrow transplant recipients. Am Rev Respir Dis 129541,1984 4. Holland HK, Wingard JR, Beschorner WE, Sara1 R, Santo GW: Bronchiolitis obliterans in bone marrow transplantation...

Ngày tải lên: 22/03/2014, 10:20