Takeaways from #ACR23 #ReviewCourse session on SpA Update: Radiographic and Non-Radiographic AS - Dr. Alexis Ogdie 1. Workup of inflammatory back pain: History, exam, CRP, HLA-B27, SI joint films, MRI pelvis (STIR images, no need for contrast). Response to NSAIDs not actually… https://t.co/M0W6UNsPxF https://t.co/7k3xl1RXZz