I am really new to this and dx in April as ocular MG post ice pack test for ptosis (it just started a week or so before appt). All my labs were seronegative. I got referred for CT to check thymus (nothing identified) and for a SFEMG. I had my nerve conduction and SFEMG yesterday- results showed 5 jitters and was “abnormal “ but report said that since I had dysport (Botox) 6 months before it might be a false positive. I obviously had no symptoms when I got the dysport nor did I have them… read more
It's important to understand that seronegative MG is a known variant, affecting about 10% of people with MG. The diagnostic process can be complex and sometimes take months or years to confirm. While waiting for your neurologist appointment, know that having seronegative results doesn't rule out MG, especially given your Show Full Answer