Thoracic extramedullary hematopoiesis associated with hereditary spherocytosis. |
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| Authors: | T Abe A Yachi Y Ishii T Igarashi H Tanaka Y Yoshida M Tosaka F Ishibashi K Yonezawa A Ono |
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| Affiliation: | Department of Internal Medicine, Kushiro City General Hospital, Japan. |
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| Abstract: | A 54-year-old man was diagnosed with hereditary spherocytosis. An X-ray of the chest disclosed bilateral round masses in the upper and lower posterior mediastinum. CT showed homogeneous round masses of soft tissue density in the posterior mediastinum. A needle biopsy of the mass showed hyperplastic erythroid bone marrow. Fatty metamorphosis of the masses was observed in CT 2 years after splenectomy but showed no change in size. |
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