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Fig. 3 | BMC Musculoskeletal Disorders

Fig. 3

From: Protection of L1 nerve roots by pre-relieve tension in parallel endplate osteotomy for severe rigid thoracolumbar spine deformity

Fig. 3

Case 2, male, 21 years old, severe rigid thoracolumbar deformity. a Preoperative diagnosis was kyphosis Cobb 90° and scoliosis Cobb 130° by X-ray after bending and three-dimensional CT imaging. b Intraoperative osteotomy, pedicle screw fixation and correction. Yellow arrow represents injury in the L1 nerve root on the convex side. c Postoperative kyphosis and scoliosis Cobb angle was corrected to 25° and 40°, as shown in X-ray images. d Abnormal waveforms occurred in SEP and MEP of the left lower limb during surgery. Red arrow represents abnormal signal

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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