a women with congenital cavernous hemangiomas and a bleeding diathesis since childhood was found to have a qualitative platelet defect characterized by the absence of a second-phase aggregation induced by epinephrine , adenosine diphosphate ( adp ) , and collagen , accompanied by decreased levels of adenosine triphosphate ( atp ) and adp , with a high atp-adp ratio consistent with the diagnosis of `` '' storage pool disease '' '' of the platelets .
C0005779
bleeding diathesis
C0032197
of