Abstract
Idiopathic thrombocytopenic purpura (ITP) is characterized by refractory thrombocytopenia, production of autoantibodies, and persistent predisposition to bleeding affecting virtually all mucocutaneous tissues and various organs. A 50-year-old man with chronic ITP and diabetic maculopathy developed massive preretinal, intraretinal, and numerous subretinal hemorrhages accompanied by impaired vision to 20/400. His platelet count was 1100/microL, hemoglobin concentration was 4.6 mg/dL, however his blood clotting and activated partial thromboplastin time (APTT) maintained a normal 26 sec. After a splenectomy the patient was placed on high-dose oral corticosteroids (40 mg/day), immunoglobulin, and CellCept. The platelet count was restored to 25,000/microL within months. Four months later the unaffected retina received a panretinal photocoagulation and intravitreal triamcinolone injection (25 mg). Two years after the thrombolytic event the hemorrhages resolved completely and the patient's vision recovered to 20/100. Repetitive treatments with immunoglobulins and high-dose corticosteroids may increase the platelet count, inducing a complete resorption of the retinal hemorrhages and visual recovery during a long-term follow-up.
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