📓 The book identified the quantitative parameters of bone scintigraphy in the hip arthroplasty for patients with osteoarthritis. These parameters bone scan reduced the number of postoperative complications and the number of revision arthroplasty. In this work the results were compared scintigraphy, X-ray and CT in hip arthroplasty. The book discusses the basic stages of hip arthroplasty. Also, the algorithm of the timing of the hip arthroplasty according to the degree of inflammation in the hip joint.