Adolescent Idiopathic Scoliosis by Lawrence G. Lenke, Randal R. Betz, Jürgen Harms, Keith H. Bridwell, David H. Clements, Thomas G. Lowe, and Kathy Blanke.

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Presentation transcript:

Adolescent Idiopathic Scoliosis by Lawrence G. Lenke, Randal R. Betz, Jürgen Harms, Keith H. Bridwell, David H. Clements, Thomas G. Lowe, and Kathy Blanke J Bone Joint Surg Am Volume 83(8): August 1, 2001 ©2001 by The Journal of Bone and Joint Surgery, Inc.

Figs. 1-A and 1-B Rules and definitions for determining the lumbar spine modifiers A, B, and C. CSVL = center sacral vertical line, and SRS = Scoliosis Research Society. Lawrence G. Lenke et al. J Bone Joint Surg Am 2001;83: ©2001 by The Journal of Bone and Joint Surgery, Inc.

Figs. 1-A and 1-B Rules and definitions for determining the lumbar spine modifiers A, B, and C. CSVL = center sacral vertical line, and SRS = Scoliosis Research Society. Lawrence G. Lenke et al. J Bone Joint Surg Am 2001;83: ©2001 by The Journal of Bone and Joint Surgery, Inc.

Synopsis of all necessary criteria for curve classification. Lawrence G. Lenke et al. J Bone Joint Surg Am 2001;83: ©2001 by The Journal of Bone and Joint Surgery, Inc.

Schematic drawings of the curve types and potential lumbar modifiers as well as possible sagittal structural criteria that determine specific curve types. Lawrence G. Lenke et al. J Bone Joint Surg Am 2001;83: ©2001 by The Journal of Bone and Joint Surgery, Inc.

Figs. 4-A through 4-F This series of radiographs shows a type-6CN curve in a fifteen-year-old girl who had adolescent idiopathic scoliosis. Lawrence G. Lenke et al. J Bone Joint Surg Am 2001;83: ©2001 by The Journal of Bone and Joint Surgery, Inc.

The sagittal radiograph shows a curve of +17° from the fifth to the twelfth thoracic vertebra, which is equivalent to sagittal thoracic modifier N. Lawrence G. Lenke et al. J Bone Joint Surg Am 2001;83: ©2001 by The Journal of Bone and Joint Surgery, Inc.

The left side-bending radiograph shows the proximal thoracic curve to be nonstructural, with correction to 18°, and the thoracolumbar/lumbar major curve corrected to 25°. Lawrence G. Lenke et al. J Bone Joint Surg Am 2001;83: ©2001 by The Journal of Bone and Joint Surgery, Inc.

The right side-bending radiograph shows correction of the main thoracic curve to 32°; thus, it is a structural minor curve. Lawrence G. Lenke et al. J Bone Joint Surg Am 2001;83: ©2001 by The Journal of Bone and Joint Surgery, Inc.

This radiograph, made three years after a posterior spinal fusion from the fifth thoracic to the first lumbar level, shows the degree of coronal balance and correction obtained. Lawrence G. Lenke et al. J Bone Joint Surg Am 2001;83: ©2001 by The Journal of Bone and Joint Surgery, Inc.

This radiograph shows the postoperative sagittal alignment. Lawrence G. Lenke et al. J Bone Joint Surg Am 2001;83: ©2001 by The Journal of Bone and Joint Surgery, Inc.