Posttransfusion purpura sans purpura: A novel presentation.

Posttransfusion purpura (PTP) is a rare condition that develops 5-10 days after transfusion of platelet containing blood component. Temporal relationship to blood transfusion, thrombocytopenia, and purpuric rashes with or without bleeding manifestation, supported by the serological presence of antiplatelet antibodies, are characteristic of PTP. We, herein, report a case of posttransfusion thrombocytopenia without purpuric rashes or bleeding symptoms, which is a rare presentation.