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Korean J Thorac Cardiovasc Surg. 2013 Apr;46(2):156-8. doi: 10.5090/kjtcs.2013.46.2.156. Epub 2013 Apr 9.

Extramedullary hematopoiesis at the posterior mediastinum in patient with hereditary spherocytosis: a case report.

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  • 1Department of Thoracic and Cardiovascular Surgery, Seoul National University Hospital, Seoul National University College of Medicine, Korea.


Thoracic extramedullary hematopoiesis (EMH) is a rare disease entity that is usually associated with hematologic disorders, such as myelodysplastic or hemolytic disease. Because thoracic EMH is usually encountered as a mass during radiologic examinations, it should be differentiated from posterior mediastinal neurogenic tumors. Here, the authors report a case of EMH associated with hereditary spherocytosis. The patient underwent a complete excision by thoracoscopic surgery to differentiate it from other mediastinal tumors.


Hematopoiesis, extramedullary; Hereditary spherocytosis; Mediastinal neoplasms

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