what are lesions,i have white spots on my mri results,are these lesions,or whats the difference between white spots and a lesion…

sorry for posting anon,i post too many questions for you lovely people and dont want you all getting sick of my questions

I have been told I have ‘innumerable t2 lesions’ from my mri but have been waiting 13 weeks for neuro appointment . I have pins and needles , pulsatile tinnitus , numb toe and sore finger joints . Some lightheaded ness. My mum has ms . I am also absolutely dog tired from the minute I wake up. Should I push for earlier appointment? I am sooooo fed up!!