Abstract

SANTONJA, Carlos; SUS, Jesús de  and  MORAGON, Manuel. Extramedullary hematopoiesis within endothelial papillary hyperplasia (Masson’s pseudoangiosarcoma) of the tongue. Med. oral patol. oral cir.bucal (Internet) [online]. 2007, vol.12, n.8, pp.556-559. ISSN 1698-6946.

We 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.

Keywords : Extramedullary hematopoiesis; intravascular endothelial papillary hyperplasia; tongue; thrombus organization.

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