1. Collapse of the femoral head without joint-space narrowing or acetabular abnormality on x-rays (including crescent sign) 2. Demarcating sclerosis in the femoral head without joint-space narrowing or acetabular abnormality…
Fig. 22.1 An intraoperative photograph shows the pus-like (yellowish and turbid) joint fluid gushed from the hip joint (Reprint permission for Springer-Verlag) 22.5 Erroneous Leukocytosis of Joint Fluid by Automated…
Fig. 28.1 ARCO international classification of osteonecrosis Stage 0: All diagnostic studies are normal and diagnosis is made by histology only. A painful hip in a patient who has either…
Fig. 27.1 A is the angle of necrotic area in mid-coronal image and B is the angle of necrotic area in midsagittal image. The angle is measured at the subchondral…
Stage Criteria 0 Normal or nondiagnostic radiograph, bone scan, and MRI I Normal radiograph; abnormal bone scan and/or MRI A – Mild (<15 % of head affected) B – Moderate…
System Adverse effects Metabolic/endocrine Weight gain/obesity, fluid retention/edema, hypokalemia, diabetes mellitus/insulin resistance, adrenal insufficiency, amenorrhea Dermatologic Skin thinning, purpura, Cushingoid appearance, acne, hirsutism Ophthalmologic Posterior subcapsular cataract, glaucoma, central serous…
Fig. 9.1 Common pathway of developing osteonecrosis of the femoral head 9.2 Methods of Genetic Study Various genetic studies had been developed and changed rapidly to identify disease-associated loci or…
Fig. 36.1 Comparison of alendronate and placebo Table 36.1 Radiographic evaluation (University of Pennsylvania System) Fosamax Stage 0 I IIC IIIC IV V and VI THA Baseline – – 20…
© Springer-Verlag Berlin Heidelberg 2014Kyung-Hoi Koo, Michael A. Mont and Lynne C. Jones (eds.)Osteonecrosis10.1007/978-3-642-35767-1_35 35. Is There a Role for BMPs in the Treatment of Osteonecrosis? Philipp Leucht1 and Stuart B. Goodman2 (1) Department of Orthopaedic Surgery, Stanford University…
Fig. 34.1 Proposed pathogenesis of nontraumatic osteonecrosis 34.3 Literature Review 34.3.1 Introduction Many studies have sought to better understand the pathophysiology of osteonecrosis and, by extension, nonoperative interventions targeting the…
