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Chapter 58

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1. Congenital pseudarthrosis of the clavicle in 4 different children

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Figure 58-1

Congenital pseudarthrosis of the clavicle in 4 different children.

A. The bony margins of the clavicular defect in this 3-dayold infant are smooth and slightly sclerotic. There is slight overriding. B. A large ipsilateral cervical rib is present in this 9-month-old. C. The lateral segment of the abnormal clavicle has a curved appearance in this 15-year-old patient. D. The portions of the clavicle adjacent to the defect are somewhat enlarged and irregular in this 17-year-old patient.

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2. Sprengel deformity

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Figure 58-2

Sprengel deformity.

Radiographic findings in 3 different children. A. There is elevation, medial deviation, and slight rotation of the right scapula in this patient. Associated anomalies include rib deformities, small bilateral cervical ribs, and mild scoliosis.

B. An AP radiograph demonstrates marked elevation and rotation of the right scapula in this child, with no associated anomalies. C. An omovertebral bone (arrow) is visible adjacent to the elevated left scapula on this oblique view.

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3. Congenital dislocation of the radial head

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Figure 58-3

Congenital dislocation of the radial head.

A lateral forearm view demonstrates posterior dislocation of the radial head. The radial head has an abnormal rounded configuration (arrow). There is anterior bowing of the radial shaft.

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4. Radioulnar synostosis

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Figure 58-4

Radioulnar synostosis.

A, B. Lateral (A) and AP (B) radiographs of a 6-year-old child with limited supination show fusion of the proximal aspects of the radius and ulna. There is mild bowing of the radial shaft. The radial head is malformed.

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5. Developmental dysplasia

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Figure 58-5

Developmental dysplasia.

An AP radiograph of a 13-month-old child shows lack of ossification in the right capital femoral epiphysis, a shallow right acetabulum, and mild superior and lateral displacement of the proximal femoral metaphysis. The left hip is normal.

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6. Developmental hip dysplasia

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Figure 58-6

Developmental hip dysplasia.

An AP pelvis radiograph of a 12-month-old girl shows a shallow right acetabulum. The ossified portion of the right capital femoral epiphysis is smaller than that of the normal left hip. There is slight lateral and superior displacement of the right femoral head.

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