E. Terzioglu et al., SELECTIVE IGA DEFICIENCY AND ANKYLOSING-SPONDYLITIS, Journal of investigational allergology & clinical immunology, 7(6), 1997, pp. 619-620
deficiency is described. There have been several reports in the litera
ture indicating coexistence of AS with selective IgA deficiency. As it
is suggested in the literature, we believe that selective IgA deficie
ncy is a poor prognostic factor in AS.