the sem appearances coupled with the absent pgi2 release and raised vwf levels suggest that vascular endothelial damage is central to the pathogenic process in thrombotic microangiopathy following allogeneic bmt but the mechanisms appear to be distinct from those in the haemolytic uraemic syndrome and de novo thrombotic thrombocytopenic purpura .
C2717961
thrombotic microangiopathy
C0034155
thrombotic thrombocytopenic purpura