Musculoskeletal Key

Failure of formation  Transverse deficiencies  Intercalary deficiencies  Longitudinal deficiencies Failure of differentiation  Humeroradial and radioulnar synostosis  Carpal and tarsal coalition  Syndactyly  Symphalangism Duplication  Dimelia of the long bones  Polydactyly Brachydactyly…

Fracture site Percentage Distal forearm Hand, Phalanges Carpal-metacarpal Clavicle Ankle Tibia, diaphysis Tarsal-metatarsal Foot, phalanges Radius-ulna diaphysis Supracondylar humerus Proximal humerus Facial skeleton Skull Femoral shaft Radial neck Vertebral fracture…

Fig. 1 Sequence of marrow transformation as seen on T1-weighted images, where hematopoietic marrow is depicted as dark gray, marrow undergoing transformation as light gray, and fatty marrow as white….

Fig. 1 High-grade tear of hamstring tendon in 51-year-old squash player with increasing pain. Axial proton density-weighted MR image shows semimembranosus tendon (thin straight black arrow), sacrotuberous ligament (STL) (thick…

Fig. 1 Grade 1 strain. Axial fat-suppressed T2WI through the leg shows feathery edema (arrow) in the medial gastrocnemius muscle Tears are graded because the severity of the injury has…

Fig. 1 Scaphoid fracture. 18-year-old soccer player with chronic wrist pain since falling on an outstretched hand 1 year earlier. Wrist radiographs at that time were interpreted as normal (not…

(1) University of Amsterdam, Academic Medical Center, Meibergdreef, 1105 AZ Amsterdam, The Netherlands (2) Department of Radiology, Division of Musculoskeletal Radiology Amsterdam Movement Sciences, Academic Center for Evidence Based Sports Medicine,…

Fig. 1 Sagittal T2-weighted image of a normal ACL reconstruction. The graft is of homogenous low signal intensity 18 months after surgery. Also note the graft and the tibial tunnel…

Fig. 1 Infantile hemangioma. 10-month old boy with an enlarging mass on the proximal left arm. (a) Coronal T1-weighted image shows a lobulated, relatively well-defined mass in the superficial soft…

Fig. 1 Talocalcaneal coalition. (a) Lateral radiograph demonstrates the “C” sign (arrows) due to coalition across the middle subtalar joint between talus and the sustentaculum tali of the calcaneus. (b)…