What causes autoimmune autonomic neuropathy (AAN)?

Updated: Oct 21, 2018
  • Author: Mohini Gurme, MD; Chief Editor: Selim R Benbadis, MD  more...
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The cause of AAN is presumed to be autoimmune. Autoantibodies against ganglionic AChRs are seen in one- to two-thirds of patients with this condition. [6] A preceding infection or other antecedent illness is noted in about 60% of cases. In rare cases, patients have a coexisting thymus tumor.

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