title: [Chronic thrombotic thrombopenic purpura. Report of 2 unusual cases].
mesh_terms: D000328:Adult; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D011697:Purpura, Thrombotic Thrombocytopenic
vernacular_title: Púrpura trombocitopenica trombótica crónica. Presentación de dos casos poco comunes.