Spinal Cord (2009) 47, 225–229; doi:10.1038/sc.2008.101; published online 5 August 2008

Since the publication of the above article, the authors have noticed that Table 4 is incorrect.

The correct Table 4 is shown below.

Table 4 Dimensions and depth of the low echoic lesions

The authors would like to apologize for this mistake.