Petechiae, easy bruising, nosebleeds,
thrombocytopenia. Typically course is benign with excellent prognosis.
Treatment includes steroids, intravenous immunoglobulin, anti-D immunoglobin,
chemotherapeutic agents, plasmapheresis, and splenectomy in refractory
cases. Complications include intracranial hemorrhage (0.1-0.5%), usually
with platelet counts below 20,000/mm3. Fetal thrombocytopenia is secondary
to transplacental crossing of antiplatelet antibodies. There are two forms
of idiopathic thrombocytopenia purpura: