Immune thrombocytopenia
thrombocytopenic purpura (ITP), also known as thrombocytopenic purpura or immune thrombocytopenia, is an primary disorder of hemostasis characterized by a low platelet count in the absence of other causes. ITP often results in an increased risk of bleeding from surfaces or the skin. Depending on which age group is affected, ITP causes two distinct syndromes: an acute form observed in children and a form in adults. Acute ITP often follows a viral and is typically self-limited, while the more chronic form does not yet have a specific identified cause. Nevertheless, the pathogenesis of ITP is similar in both syndromes involving against various platelet surface antigens such as glycoproteins.
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