... Transversal layers of computed tomography scans of the affected (a) and contralateral (b) femur. Notethe significant notch deformity in a. Balke et al. Journal of Orthopaedic Surgery and Research 2010, ... surgeon should be alert of an aplasia of the cruciate ligaments. Balke et al. Journal of Orthopaedic Surgery and Research 2010, 5:11 http://www.josr-online.com/content/5/1/11Page 4 of 5 ... Surgery, University of Witten-Herdecke, Cologne Merheim Medical Center, Ostmerheimerstrasse 200,51109 Cologne, Germany Balke et al. Journal of Orthopaedic Surgery and Research 2010, 5:11 http://www.josr-online.com/content/5/1/11©...