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.

65-year-old male experienced loss of consciousness, and a CT scan showed a left temporal mass which was confirmed by MRI. The patient underwent Stereotacti biopsy of mass, and Histological examination gave a diagnosis of anaplastic astrocytoma. He started chemoradiation with fotemustine (nitrosourea alkylating agent). Repeated MRI showed progression with mass effect, mild uncal herniation and enlarging ventricles. He has stable expressive aphasia and hemisyndrome, lethargy and decreased motivation. His treatment was switched from phenobarbital to levetiracetam.

41 year-old male was recently diagnosed as having multiple sclerosis (MS) after episodes of leg and shoulder weakness and parasthesis. Lately he experiences dizziness. His MRI showed several demyelinating lesions, other ancillary tests showed demyelinating damage to the auditory and visual pathway. Currently he has no functional or sensorial deficiencies. He was offered several immunomodulatory treatment options: Rebif, Betaferon and Copaxone, and asks about their pros, cons and complications, and about the differential diagnosis.