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Kasabach-Merritt syndrome (Katharine Krom Merritt)

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A very rare congenital blood disorder characterized by giant capillary haemangioma associated with thrombocytopenia and purpura. Frequently associated with microangiopathic haemolytic anaemia and disseminated intravascular coagulation syndrome. It usually occurs in the first few months of life but is also described in adults. It is believed to be secondary to intravascular coagulation.


  • H. H. Kasabach, K. K. Merritt
    Capillary hemangioma with extensive purpura: report of a case.
    American Journal of Diseases of Children, Chicago, 1940, 59: 1063.

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