5-year-old boy was diagnosed with neurofibromatosis type 1 (NF1) eight months after birth. He has displayed café-au-lait spots, axillary freckling, macrocephaly, sphenoid dysplasia, brain hamartomas, right temporal arachnoid cyst, and optic glioma. Visual evoked potentials showed evidence of bilateral functional deficit.

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.