Orthopedic Procedures
Fig. 27.1 Posterior spinal fusion (PSFI) with instrumentation. (a, b) There are hooks (white arrows) above the laminae of T2, and screws (black arrows) have been inserted through the pedicles…
The Elbow and Forearm: Acquired Disorders
Fig. 8.1 (a, b) Six ossification centers of the distal humerus. C capitulum, R radial head, M medial epicondyle, O olecranon, T trochlea, L lateral epicondyle Box 8.1: Typical Order…
Tumors and Tumor-Like Conditions of Bone
Benign Malignant Bone-forming tumors Osteoblastoma Osteosarcoma Osteoid osteoma Cartilage-forming tumors Chondroblastoma Chondrosarcoma Chondromyxoid fibroma Enchondroma Osteochondroma Cystic lesions Aneurysmal bone cyst Unicameral (simple) bone cyst Fibro-osseous lesions Fibrous dysplasia…
The Elbow and Forearm: Congenital and Developmental Conditions
Fig. 7.1 Normal granular-appearing trochlear ossification center (arrow) in a 9-year-old boy Supracondylar Process The supracondylar process of the humerus occurs in approximately one percent of patients. This bony spur…
The Hand and Wrist: Congenital and Developmental Conditions
Fig. 9.1 Pronator fat plane in a 9-year-old girl. The fat that lies volar to the pronator quadratus muscle is well shown (arrow) 2 Carpal Coalition Carpal fusion or coalition…
The Foot and Ankle: Acquired Disorders
Fig. 16.1 Juvenile Tillaux fracture in an 11-year-old boy. (a, b) There is a nondisplaced Salter-Harris III fracture, with the vertical epiphyseal fracture line (arrow) lateral to Kump bump (arrowhead)….
Bone Marrow
Fig. 25.1 Histology of normal hematopoietic and fatty marrow. (a) Hematopoietic marrow is very cellular (white arrows) and has little fat (arrowhead). Supporting trabeculae (black arrow). (b) Fatty marrow has…
The Shoulder: Acquired Disorders
Hill-Sachs fracture: subchondral fracture along the posterolateral humeral head Bankart fracture: anteroinferior glenoid fracture Glenohumeral dislocations usually result from direct injury during contact sports. In children, these injuries are most…
The Hand and Wrist: Acquired Disorders
Fig. 10.1 Distal radial buckle fracture in a 6-year-old boy. (a, b) There is angulation of the distal radial metaphyseal cortex (arrows) Bicortical and more complex fractures are the result…