Erratum to: Abdom Imaging (2006) 31:660–667 DOI 10.1007/s00261-006-9006-2

This article was inadvertently published a second time under DOI: 10.1007/s00261-006-9119-7.

Official publication is under DOI: 10.1007/s00261-006-9006-2 in Abdom Imaging (2006) 31:660–667.