Figure 1From: First-time patellar dislocation with resultant habitual dislocation two years later, which was not demonstrated on plain X-rays halfway: a case report Left lower extremity Xrays. Although the patellar dislocation is not apparent with the left knee in extension (Fig. 1-A), it is severely shifted laterally at 90° and 120° of flexion (Fig. 1-B, C),Back to article page