<s>[INST] Are There Cases That Are More Challenging to Diagnose? [/INST] Sometimes bloodwork and x-rays show normal findings. Depending on our level of suspicion, we might order more specialized tests such as ultrasounds or MRIs to look further. We will dig deeper to find the cause of the pain Source: Illinois Bone & Joint Institute. Link: https://www.ibji.com/blog/rheumatology-autoimmune-care/common-questions-about-arthritis/. Field: Rheumatology. Disease: Arthritis </s>