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328 Possible Causes for Extramedullary Hematopoiesis

  • Primary Myelofibrosis

    It is characterized by bone marrow fibrosis, extramedullary hematopoiesis with hepatosplenomegaly and leukoerythroblastosis in the peripheral blood.[] KEYWORDS: Extramedullary hematopoiesis; SPECT; hybrid imaging; primary myelofibrosis; radionuclides; spleen[] Peritoneal extramedullary hematopoiesis combined with tuberculosis was found 4 months after the diagnosis.[]

  • Pyruvate Kinase Deficiency

    hematopoiesis.[] Abstract The case of a patient with erythrocyte pyruvate kinase (PK) deficiency hemolytic anemia leading to extramedullary hematopoiesis in a paravertebral myelolipoma is[] Rapid splenic regeneration possibly caused by erythrophagocytosis and extramedullary hematopoiesis is the presumed reason for this patient's failure to respond to partial[]

  • Meningitis

    Focal extra-axial hemorrahagic mass with subdural hemorrhage secondare to extramedullary hematopoiesis in idiopathic myelodysplastic sindrome.[] Considering our case and the literature we can suggest that radiological images associated with the clinical history of the patient suggestive for extramedullary hematopoiesis[]

  • Extramedullary Hematopoiesis

    No paravertebral masses, typical for extramedullary hematopoiesis, were present in the chest or abdomen.[] The precise pathogenesis of extramedullary hematopoiesis in central nervous system is unknown.[] Abstract Renal extramedullary hematopoiesis is rarely recognized in the antemortem setting.[]

  • Myeloid Metaplasia

    A pericardial effusion was evident and a pericardial biopsy was consistent with extramedullary hematopoiesis.[] BACKGROUND: Extramedullary hematopoiesis (EMH) is known to occur in myeloproliferative disorders and hemoglobinopathies and is usually seen in the spleen and liver.[] Associated disorders include asymptomatic interstitial extramedullary hematopoiesis, obstructive uropathy and nephrolithiasis.[]

  • Myelofibrosis

    Abstract PURPOSE: To report the clinicopathological correlation of extramedullary hematopoiesis (EMH) of the conjunctiva in a patient with a history of myelofibrosis.[] KEYWORDS: JAK2; cutaneous myelofibrosis; extramedullary hematopoiesis; myeloproliferative neoplasia; sclerosing extramedullary hematopoietic tumor[] Severe extramedullary hematopoiesis can disturb the function of organs in which it occurs, including the brain.[]

  • Secondary Myelofibrosis

    Abstract We describe the case of a 73-year-old woman with secondary myelofibrosis who developed subcutaneous extramedullary hematopoiesis.[] School of Medicine and Health Sciences Poster Presentations Title Secondary Myelofibrosis with Pericardial Extramedullary Hematopoiesis: A Unique Case of Polycythemia Vera[] Previous case reports of secondary extramedullary hematopoiesis simulating agnogenic myeloid metaplasia (AMM) in patients with solid tumors are also reviewed.[]

  • Myelophthisis

    The second case is of extramedullary hematopoiesis as a manifestation of widely metastatic melanoma.[] Features of myelophthisis: (1) leukoerythroblastic peripheral blood smear (2) microangiopathic hemolytic anemia with teardrop-shaped red blood cells (3) thrombocytopenia (4) extramedullary[] This results in extramedullary hematopoiesis, typically in the spleen leading to premature release of hematopoietic cells into the circulation.[]

  • Beta Thalassemia

    OBJECTIVE AND IMPORTANCE: Extramedullary hematopoiesis (EMH) is evidenced by erythropoietic masses, which occurs as a compensatory mechanism to overcome hypoxia during chronic[] KEYWORDS: Intracranial extramedullary hematopoiesis; MRI; Thalassemia[] Main clinical features in these patients are hypertrophy of erythroid marrow with medullary and extramedullary hematopoiesis and its complications (osteoporosis, masses of[]

  • Leukoerythroblastic Anemia

    Myeloid metaplasia refers to extramedullary hematopoiesis in the liver, spleen, or lymph nodes that may accompany myelophthisis due to any cause.[] Objective: To report an adult patient with acquired syphilis, extramedullary hematopoiesis, and involvement of the bone marrow and liver, which have been described previously[] Extramedullary hematopoiesis tends to be modest. Decreased functional hematopoietic tissue due to bone marrow infiltration is the main cause of anemia.[]

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