. Author manuscript; available in PMC: 2019 Jan 1.

Published in final edited form as: Ann N Y Acad Sci. 2018 Jan;1412(1):154–165. doi: 10.1111/nyas.13535

Table 1.

Clinical and serological differences between AChR and MuSK MG.^2,16,59,73

Feature	AChR MG	MuSK MG
Bulbar symptoms	Not predominant	Predominant
Pure ocular form	Frequent	Very rare
Thymus involvement	Frequent	Very rare
Autoantibody titer association with symptoms	Poor	Present
Response to pyridostigmine	Good	Medium/poor
Autoantibody titer decrease post-rituximab	Mild/none	Pronounced
Post-rituximab relapse	Frequent	Rare