--in possible symptomatolgy in the vascultic/connective tissue anti-nuclear antibody variant autoimmune conditions (just one of the reasons they are hard to diagnose, and why sometimes people are put in that catchall "unspecified connective tissue disease" category). And, of course, within a given condition, different organ systems/tissues may be targeted to greater/lesser extent.

All of them, however, can have neuropathy as a secondaryeffect, and these are usually through ischemic mechanisms or compressive effects from swelling/inflammation (rather than through autoimmune cross-reactivity, though that is a possibility).

See:

http://www.hopkinsmedicine.org/neuro...europathy.html

http://neuromuscular.wustl.edu/antib...tml#vasculitis