hiv-seropositive homosexuals , narcotic addicts and hemophiliacs develop a new syndrome of immunologic thrombocytopenic purpura ( itp ) which is clinically indistinguishable from classic autoimmune thrombocytopenic purpura ( atp ) with respect to increased megakaryocytes in the bone marrow , peripheral destruction of antibody-coated platelets , negative serology for sle , response to treatment with prednisone and/or splenectomy .
C0398650
autoimmune thrombocytopenic purpura
C0032952
prednisone