The Journal of Bone and Joint Surgery (American). 2007;89:2-14.
doi:10.2106/JBJS.G.00582
© 2007 The Journal of Bone and Joint Surgery, Inc.
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Novel Methods for Diagnosis and Treatment of Posterolateral Rotatory Instability of the Knee

Chong Bum Chang, MD, PhD, Sang Cheol Seong, MD, PhD, Sahnghoon Lee, MD, Jae Ho Yoo, MD, Yoon Keun Park, MD and Myung Chul Lee, MD, PhD

Corresponding author:
Myung Chul Lee, MD, PhD
Department of Orthopedic Surgery, Seoul National University Hospital, 28 Yongondong, Chongnogu, 110-744, Seoul, South Korea.
E-mail address: leemc@snu.ac.kr

The first 150 words of the full text of this article appear below.


   Introduction
 
Injury to the posterolateral corner structures of the knee can cause posterolateral rotatory instability, a condition that has attracted increased attention over recent years1. This injury is often associated with cruciate ligament injury, and its diagnosis can be difficult unless one has a high degree of clinical suspicion for an injury to the posterolateral corner structures2,3. Although a number of treatment methods have been proposed over the past twenty years2,4-12, there has been considerable controversy regarding the optimal method of surgical treatment for this injury. The consequences of missed or unsuccessfully treated posterolateral rotatory instability can be profound: reconstructed anterior or posterior cruciate ligaments can fail, and persistent posterolateral rotatory instability may eventually cause pain, instability, and even degenerative changes13-17.

In this report, we describe the use of an external rotation-valgus stress radiograph for the evaluation and diagnosis of posterolateral rotatory instability, and we describe a . . . [Full Text of this Article]


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