Fig. 2From: Comparison of collum femoris-preserving stems and ribbed stems in primary total hip arthroplastyPreoperative anteroposterior radiograph of a 30-year-old man showing femoral head osteonecrosis of the right hip (a). Anteroposterior radiograph after THA using CFP stem showing PPF of the lateral femoral diaphysis (b). Anteroposterior radiograph at 1-year follow-up showing healing fracture (c)Back to article page