CTICasesExtramedullary Hematopoiesis
Imaging findings
Large paraspinal masses and abnormal bones with cortical erosions and expanded marrow spaces in a patient with a history of splenectomy.
Key takeaways
These findings are classic for extramedullary hematopoiesis, likely secondary to beta-thalassemia. Lesions may contain fat if the marrow is not being hyperstimulated.
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