Fig. 2

Imaging findings of a patient with misdiagnosis. A 69-year-old woman complained of lower-extremity progressive weakness and numbness over one year. Magnetic resonance imaging showed a multisegmental intramedullary T2 hyperintensity (A) with diffuse contrast enhancement (B). There was no evidence of obvious fluid voids. C DSA revealed a fistula (white arrow) at the right T6 level, fed by the radicular artery rising from the segmental artery