Adult-Onset Still’s Disease with Thrombotic Thrombocytopenic Purpura

Abstract

Adult-onset Still’s disease (AOSD) is a rare systemic inflammatory disorder that affects multiple organs and is fatal in some cases. Thrombotic thrombocytopenic purpura (TTP), another rare disease, is characterized by multiple organ failure and microangiopathic hemolytic anemia. TTP is an extremely rare complication of AOSD. We report a 59-year-old woman who presented with TTP that manifested after she was diagnosed with AOSD. Initially, her clinical manifestations improved with glucocorticoid therapy. However, her disease worsened and was accompanied by acute kidney injury, thrombocytopenia, hemolytic anemia, petechiae, and impaired consciousness. These clinical findings led to a diagnosis of TTP. This is the first report of AOSD complicated by TTP in Korea. Awareness of the possible development of TTP as a complication of AOSD is important for early diagnosis and treatment. (Korean J Med 2015;89:482-486)