However, there is a growing interest in ultrasound diagnosis of distal forearm fracture due, in part, to the absence of exposure to radiation. In a metaanalysis of 12 studies (951 children 18 years of age and younger) comparing ultrasound with the reference standard of conventional radiography, ultrasound detected distal forearm fractures with a pooled sensitivity of 98 percent and a specificity of 96 percent.
These findings correspond to an estimated 3 out of 100 distal forearm fractures missed by ultrasound. Detection of distal forearm fractures is a developing use of bedside ultrasound, especially when plain radiographs are not readily available. However, most centers still use plain radiographs for diagnosis of forearm fractures.