15 April 2022
: Case report 
A 61-Year-Old Woman Presenting with Low Back Pain Diagnosed with IgG4-Related Disease Affecting the Thoracoabdominal Aorta and Retroperitoneum
Challenging differential diagnosis, Rare disease, Educational Purpose (only if useful for a systematic review or synthesis)
Mi Ra Kim ABCDEF 1, Hyekyung Shim ABCDEF 2*DOI: 10.12659/AJCR.935007
Am J Case Rep 2022; 23:e935007
Figure 4 Representative images of computed tomography (CT) and values of serum IgG4 according to the clinical courseAxial enhanced CT images (estimated diameter above the aortic bifurcation in the descending aorta) and values of serum IgG4 at the initial diagnostic work-up (A; 32 mm and 418.0 mg/L); the patient’s symptoms improved after 30 mg/day glucocorticoid (GC) treatment for 6 months (B; 18 mm and 145.0 mg/L). After GC discontinuation and graft surgery, the symptoms relapsed (C; 25 mm and 321.0 mg/L).