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Fig. 2 | BMC Musculoskeletal Disorders

Fig. 2

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

Fig. 2

Case 1, female, 33 years of age, severe rigid thoracolumbar deformity. a Preoperative diagnosis was kyphosis Cobb 85° and scoliosis Cobb 67° by X-ray after bending and three-dimensional CT imaging. b Intraoperative osteotomy, pedicle screw fixation and correction. Yellow arrow represents injury in L1 nerve root on the convex side of scoliosis. c Postoperative kyphosis and scoliosis Cobb angle was corrected to 12° and 15°, which show in X-ray and three-dimensional CT imaging. 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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