Multiple laboratory tests were performed, including cere-brospinal fluid cytochemistry, simple and contrast spinal MRI, head MRI, vitamin B12 and folic acid serum levels, VDRL, antinuclear antibodies, and HIV, HTLV-1. All were normal.
Se le realizaron múltiples exámenes de laboratorio, que incluyeron citoquímica de líquido cefalorraquídeo, resonancia total de columna simple y contrastada, resonancia cerebral, niveles séricos de vitamina B12, ácido fólico, VDRL, anticuerpos antinucleares, VIH, HTLV-1, y todos fueron normales.