SANTONJA, Carlos; SUS, Jesús de    MORAGON, Manuel. Extramedullary hematopoiesis within endothelial papillary hyperplasia (Masson’s pseudoangiosarcoma) of the tongue. []. , 12, 8, pp.556-559. ISSN 1698-6946.

^len^aWe report the unique association of Masson’s pseudoangiosarcoma (endothelial papillary hyperplasia) and extramedullary hematopoiesis. The lesion was present as a violaceous nodule on the side of the tongue of a 78-year-old man with history of multiple myeloma and long-standing mild anemia. This association between a peculiar form of thrombus organization and extramedullary hematopoiesis has been reported previously only once, in an infant with a cranial hematoma, and raises interesting pathogenetic questions.

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