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1. 成人に生じる脾腫やそれ以外の脾臓疾患の評価evaluation of splenomegaly and other splenic disorders in adults [show details]
…Hematopoiesis does not occur in the spleen of healthy adults. However, the spleen is a site of hematopoiesis in certain disorders associated with extramedullary hematopoiesis (thalassemia or primary myelofibrosis) …
2. 脾腫を有する小児に対するアプローチapproach to the child with an enlarged spleen [show details]
…become the site of extramedullary hematopoiesis and contain developing erythroid, myeloid, and megakaryocytic precursors. White pulp – The white pulp of the spleen is a major part (up to 25 percent) …
3. 造血幹細胞の概要overview of hematopoietic stem cells [show details]
…and shielding of the spleen . This protective effect was shown to be cell-mediated as the injection of spleen cells could initiate recovery and reestablish multilineage hematopoiesis in irradiated animals …
4. （診断目的または治療目的の）待機的脾臓摘出術elective diagnostic or therapeutic splenectomy [show details]
… An accessory spleen is a separate collection of splenic tissue physically independent from the spleen, with an average size of approximately 1.5 cm in diameter . The majority of accessory spleens are… included vascular neoplasms, granulomatous lesions, infarction, hemorrhage, and extramedullary hematopoiesis. Other series have also reported lymphoma to be a common finding . While there are no absolute …
5. 原発性骨髄線維症の臨床症状および診断clinical manifestations and diagnosis of primary myelofibrosis [show details]
…(40 to 70 percent), or abnormal blood findings . Enlargement of the spleen and liver are due to the marked extramedullary hematopoiesis associated with PMF. Pulmonary hypertension – Pulmonary hypertension …