Acetabular fracture patterns as described by Letournel. The simple patterns are posterior wall (A), posterior column (B), anterior wall (C), anterior column (D), and transverse (E). The associated patterns are posterior column with a posterior wall (F), transverse posterior wall (G), T-style (H), anterior column posterior hemitransverse (I), and both columns (J) [2]. Reprinted with permission, University of Washington Creative Services © 2013. All Rights Reserved.