Erratum to: Skeletal Radiol

DOI 10.1007/s00256-012-1426-1

The original version of this article requires an addendum. The article re-uses figures (Figs. 1A, 1C, 2A) that have been published before. The authors have obtained copyright information before publishing these figures but this was unfortunately not included in the article.

“These figures were published in Dermatology, 2nd edition, 9781416029991, Jean L Bolognia, MD, Joseph L Jorizzo, MD, Ronald P Rapini, MD (Authors), Chapter 67, Biology of nail, Figs 67.14 & 67.15, Copyright Elsevier (2008).”