FIGURE 17-1 Elbow radiographs of a congenital RUS. CLINICAL QUESTIONS What is the cause of a congenital radioulnar synostosis (RUS)? Is it hereditary? Are there any associated syndromes? How is…

FIGURE 6-1 Mild, nonprogressive clinodactyly with radial deviation of small finger due to trapezoidal-shaped middle phalanx. Clinodactyly of the index finger is a unique entity that presents at birth with…

FIGURE 4-1 A: Clinical photograph depicting a “thumb duplication.” B: Corresponding plain radiograph illustrating the skeletal elements of the “thumb duplication.” This is a typical Wassel type IV thumb. CLINICAL…

FIGURE 2-1 A 6-month-old male infant with syndactylies of the first, second, and third web spaces. CLINICAL QUESTIONS What causes syndactyly? How common is it? Are there any associated syndromes…

FIGURE 16-1 A: Anteroposterior and lateral radiographs of congenital posterolateral radial head dislocation. The patient is now developing pain with activities of daily living and recreation. B: Sagittal MRI scan…

FIGURE 18-1 A: Obvious deformity of right clavicle due to a congenital clavicular pseudarthrosis. B: AP x-ray of same patient. C: CT scan revealing wide diastasis of the narrow, sclerotic…

FIGURE 14-1 A: Ulnar longitudinal deficiency with elbow synostosis, foreshortened forearm, and three-digit hand. The thumb is in the same plane as the other two digits, which limits pinch. B:…

FIGURE 23-1 Radiograph of the elbow, forearm, wrist, and hand of a patient with arthrogryposis. Note is made of the elbow extension and wrist flexion contractures. The osseous elements and…

FIGURE 15-1 A, B: Clinical photographs of a patient with Madelung deformity. Note the seemingly prominent ulnar head and apparent volar subluxation of the wrist on the forearm. Clinical Evaluation…

FIGURE 19-1 Frontal plain radiograph demonstrating a right Sprengel deformity. CLINICAL QUESTIONS What is Sprengel deformity? What are the associated conditions? How is Sprengel deformity classified? What are the surgical…