Examples of the features of new bone formation (NBF) observed by plain radiography and computed tomography in patients with gout. A. Spur. B. Osteophyte. C. Periosteal NBF. D. Ankylosis. E. Sclerosis. Top panel shows plain radiographic images and lower panel shows CT images. CT, computed tomography.
Dalbeth et al. Arthritis Research & Therapy 2012 14:R165 doi:10.1186/ar3913