45-year-old male who presented with acute onset of flaccid paraparesis more pronounced on the left, sensation of current shocks in both legs and sensory level from the umbilicus downwards. The symptoms have reached their pick within less than a day. On examination the left lower limb was plegic and the right lower limb was partially weak. EMG was interpreted as demyelinating sensorimotor neuropathy. MRI showed hyperintense signals at the dorsal terminal segment of the marrow consistent with myelitis.
35 years old male. 3 years ago an episode of lumbar pain. After an X-ray test and lumbar spine MNR a disc herniation was diagnosed. Later on, disorders showed up sporadically, and 15 days ago, as a result of backache recurrence, the patient decided to carry out diagnostic deepening performing a new lumbosacral magnetic resonance and an electromyographic examination.