title: Multiple sclerosis with onset in a two-year old boy.
mesh_terms: D002675:Child, Preschool; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D009103:Multiple Sclerosis / Q000175:diagnosis* / Q000000981:diagnostic imaging; D012397:Rosette Formation; D014057:Tomography, X-Ray Computed