ResumenSe presenta el caso de una mujer adulta mayor, previamente sana, que ingresa con antecedente de cuadro confusional, debilidad generalizada, cambio de coloración de piel y mucosas, síntomas gastrointestinales y fiebre. En estudios de imagen no se evidencian lesiones encefálicas. Ante cuadro clínico y hallazgos laboratoriales se realiza frotis de sangre periférica, confirmándose diagnóstico de púrpura trombocitopénica trombótica. Se indica plasmaféresis, sin embargo, la paciente no responde a la terapia y fallece.Palabras claves: púrpura trombocitopénica trombótica, ictericia. AbstractThis is the case of old adult woman, previously healthy, admitted with history of confusion symptoms, general weakness, change of skin and mucous color, gastrointestinal symptoms and fever. Medical imaging studies do not show evidences of encephalic lesions. Considering the clinical symptoms and laboratory findings, a smear of peripheral blood is made confirming a diagnosis of thrombotic thrombocytopenic purpura. Although plasmapheresis is indicated, the patient does not respond to the therapy and die. Keywords: thrombotic thrombocytopenic purpura, jaundiceIntroducción: la púrpura trombocitopénica trombótica(PTT) es una patología poco frecuente de presentación pleomórfica, caracterizada por anemia hemolítica microangiopática, trombocitopenia, fiebre, 1,2 afectación renal y neurológica .Afecta preferentemente mujeres y es de mal pronóstico, con una mortalidad cercana al 90% sin tratamiento. Puede ser adquirida o congénita. Su incidencia se estima en 1 a 10 casos por 3,4 millón de habitantes . Púrpura trombocitopénica en mujer adultaThrombocytopenic purpura in an adult woman
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