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Prueba serológica para sífilis (VDRL) en LCR
Un resultado negativo es normal.
Sin embargo, se pueden presentar resultados falsos negativos, lo cual significa que la persona puede tener sífilis y tener un resultado normal en el examen VDRL en LCR. Por lo tanto, un resultado negativo no siempre descarta la presencia de la enfermedad. Otros marcadores de inflamación, como los niveles elevados de proteínas o el exceso de glóbulos blancos, se pueden utilizar para diagnosticar la neurosífilis.
Un resultado positivo es anormal e indica presencia de neurosífilis.
Hook EW III. Syphilis. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 340.
Fletcher JJ, Nathan BR. Cerebrospinal fluid and intracranial pressure. In: Goetz, CG, eds. Textbook of Clinical Neurology. 3rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 26.
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