purpura

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purpura

[′pər·pyə·rə]
(medicine)
Spontaneous hemorrhages into tissues such as joints, skin, and mucosal surfaces.
References in periodicals archive ?
Other rare reaction against transfusion observed in all patients are acute hemolytic reaction, allergic reaction, anaphylactic reaction, coagulation problems in massive transfusion, febrile nonhemolytic reaction, metabolic derangements, mistransfusion (transfusion of the incorrect product to the incorrect recipient), septic or bacterial contamination, transfusion-associated circulatory overload, transfusion-related acute lung injury, urticarial reaction, delayed hemolytic reaction, posttransfusion purpura, transfusion-associated graft-versus-host disease, transfusion-related immunomodulation, and infectious complications [8].
Posttransfusion purpura is an immune mediated transfusion reaction with a low incidence in transfusion recipients.
Posttransfusion purpura is a drug-independent form of alloimmune, rather than autoimmune, thrombocytopenia in which patients make antibodies to platelet antigens that they lack as a result of exposure from pregnancy or transfusion.

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