Teaching NeuroImages Neurology Resident and Fellow Section © 2013 American Academy of Neurology An unusual cause of conus medullaris syndrome.

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Teaching NeuroImages Neurology Resident and Fellow Section © 2013 American Academy of Neurology An unusual cause of conus medullaris syndrome

Vignette A 22-year-old man presented with a 3-month history of back pain and numbness of left lower extremity. GQ Wei, et al Wei et al.

Imaging 1 GQ Wei, et al Figure 1 Wei et al.

Imaging GQ Wei, et al Wei et al. Imaging 2

An unusual cause of conus medullaris syndrome The tumor was resected and was consist with a glioblastoma multiforme. Primary glioblastoma multiforme of the conus medullaris is extremely rare & fatal. 1,2 Some diagnostic clues include eccentric location, hemosiderin, and an irregular ring enhancement with central necrosis on MRI. 2 Moreover, the propensity of leptomeningeal spread and a rapidly progressive course may also signal the diagnosis. GQ Wei, et al Wei et al.