title: Systemic lupus erythematosus and thrombotic thrombocytopenia purpura: a refractory case without lupus activity.
abstract: The association between systemic lupus erythematosus (SLE) and thrombotic thrombocytopenic purpura (TTP) has been infrequently reported. Usually, patients with TTP have more SLE activity and frequent renal involvement. Here we present a case of TTP associated to low-activity SLE. The absence of renal and major organ involvement increased the difficulty in making the initial diagnosis. ADAMTS13 activity in plasma in this patient was very low, as seen in other similar cases. The evolution of the patient was poor, needing plasma exchanges and immunosuppressive therapy, including the use of rituximab.
authors.affiliation: Servicio de Hematología, Hospital General de Castellón, Castellón, España.
authors.forename: Raimundo
authors.initials: R
authors.lastname: Garcia Boyero
authors.forename: Eva
authors.initials: E
authors.lastname: Mas Esteve
authors.forename: Maria
authors.initials: M
authors.lastname: Mas Esteve
authors.forename: M Magdalena
authors.initials: MM
authors.lastname: Millá Perseguer
authors.forename: Josefa
authors.initials: J
authors.lastname: Marco Buades
authors.forename: Juan
authors.initials: J
authors.lastname: Beltran Fabregat
authors.forename: Guillermo
authors.initials: G
authors.lastname: Cañigral Ferrando
authors.forename: Miguel Angel
authors.initials: MA
authors.lastname: Belmonte Serrano
mesh_terms: D005260:Female; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000150:complications*; D008875:Middle Aged; D011697:Purpura, Thrombotic Thrombocytopenic / Q000209:etiology*
keywords: ADAMTS13; Anemia hemolítica microangiopática; Lupus eritematoso sistémico; Microangiopathic hemolytic anemia; Plasma exchange; Púrpura trombótica trombocitopénica; Recambios plasmáticos; Rituximab; Systemic lupus erythematosus; Thrombotic thrombocytopenic purpura