Gout is a common and painful form of arthritis caused by a buildup of uric acid in the body. The standard test — called needle aspiration — involves taking fluid or tissue samples from a gout-affected joint and checking them for uric acid crystals.
This test usually detects gout in patients, but not always.
In this study, Mayo Clinic researchers found that dual energy CT scans detected gout in one-third of patients who had negative results on the needle aspiration test. The CT scans were particularly effective in patients who’d had several gout-like episodes but had remained undiagnosed.
You can read the entire article at Health.com.