Risser Sign in Scoliosis
The Risser sign helps measures the risk that a curve in the spine (Reference scoliosis Opens New Window) will get worse, or progress. It measures how much mature bone has developed (ossification) in the upper rim of the pelvis (iliac crest). Values range from 0 (least ossification and greatest risk of progression) to 5 (complete ossification and least risk of progression). This is determined by an Reference X-ray Opens New Window.
|By:||Reference Healthwise Staff||Last Revised: Reference July 21, 2011|
|Medical Review:||Reference John Pope, MD - Pediatrics
Reference Robert B. Keller, MD - Orthopedics