Research Article
Ectopic Germinal Centers and IgG4-Producing Plasmacytes Observed in Synovia of HLA-B27+ Ankylosing Spondylitis Patients with Advanced Hip Involvement
Figure 1
Radiographic findings in AS patients with advanced hip joint disease. (a) Case 3; (b) case 5; (c) case 6; and (d) case 7.
(a) |
(b) |
(c) |
(d) |