[Ankylosing hemorrhagic arthropathy in a patient with Von Willebrand's disease (angiohemophilia A)].

A case of von Willebrand's disease with unusual clinical manifestations is described. The disease was characterized by the presence of insistently recurring haemarthroses, starting from infancy, involving a number of joints, ending in ankylosis. Bleeding time was lengthened and the patient presented antihaemophilic globulin deficiency and decreased platelet adhesiveness.