Legg-Calvé-Perthes Disease: Treatments
Fig. 61.1 Eleven-year and 7-month-old male with right hip pain for 12 months. (a) AP pelvis and frog-leg lateral radiographs showing right hip LCPD in Waldenstrom stage 2A (early fragmentation…
Vascular Anatomy and Blood Supply to the Femoral Head
Fig. 2.1 Photograph during cadaver dissection showing the anterior view of the right inguinal region, with the main trunk of the medial femoral circumflex artery (arrow) originating from the deep…
Legg-Calvé-Perthes Disease: Pathology, Pathophysiology, and Pathogenesis of Deformity
Fig. 59.1 A drawing depicting the developmental changes in the femoral head size, articular cartilage thickness, and epiphyseal vascular anatomy. As the proximal femur matures, the bony epiphysis becomes larger…
Subchondral Stress Fracture of the Femoral Head
Fig. 29.1 A 27-year-old man with bilateral fatigue-type subchondral stress fracture of the femoral head. (a) Plain radiographs taken 2 weeks after the onset of both left and right hip…
Principles of Bone Grafting for Osteonecrosis of the Hip
Fig. 42.1 Vascularized fibula grafting 42.2.4 Vascularized Iliac Bone Grafting Vascularized iliac crest bone grafts is one of the many vascularized procedures used in osteonecrosis of the femoral head for…
The Role of Coagulopathy in the Pathogenesis and Prevention of Corticosteroid-Induced Osteonecrosis
Fig. 33.1 (a) The macroscopical appearance of ON in the femur and humerus 4 weeks after corticosteroid injection. The yellowish-colored areas (arrows) mainly located in the metaphysis represent osteonecrosis area….
Osteonecrosis of the Talus
Etiology Traumatic Talar neck fracture Talar body fracture Nontraumatic Steroids Alcohol Systemic lupus erythematosus Hyperuricemia Renal transplantation Sickle cell anemia Hyperlipidemia Pancreatitis Iatrogenic 56.3 Blood Supply of the Talus The…
Hip Arthroplasty for Osteonecrosis of the Femoral Head
Male and female combined Age (years) 34.2 (18–51) Weight (kg) 74.6 (40–120) Femoral component size (mm) 49.2 (40–54) Charnley class A 17 (37 %) B 22 (48 %) C…
Treatment of Osteonecrosis of the Hip and Knee with Enoxaparin
Fig. 32.1 Reversible pathogenesis of osteonecrosis Table 32.1 Screening tests for thrombophilia, hypofibrinolysis, and impairment of nitric oxide production Thrombophilia PCR studies G1691A Factor V Leiden G20210A prothrombin C677T/A1298C MTHFR…
Bone Marrow Edema Syndrome of the Hip
Fig. 30.1 A core biopsy specimen of bone marrow edema syndrome (stain, hematoxylin and eosin; original magnification, ×100) shows hematopoietic cells are depleted and fatty cells are necrotic in the…
