Systematic review of 208 pts w/ IgG4–related disease & pachymeningitis - mean age 52 yrs; 2/3 male. HA & cranial nerve dysfunctions were most common Sxs. nearly half had systemic Dz. Abnl imaging of cavernous sinus and middle fossa. Incr. IgG4 in 65% w/ CSF pleocytosis in 52%… https://t.co/0TberfIXsH https://t.co/6k5QgGTnkw