ORTHO
BULLETS
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Review Question - QID 210281

Adult Spinal Deformity Complications (surgical) Neurologic deficits QID: 210281 (OBQ17.194)
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QID 210281 (Type "210281" in App Search)
A 62-year-old female presents to your office complaining of lower back pain and symptoms suggestive of neurogenic claudication 6 years following a lumbar fusion. Her most recent lumbar spine film is shown in Figure A. She undergoes surgery to restore her saggital alignment and immediately following surgery reports new weakness in her leg. Knee extension strength of the left is signficantly less than that of the contralateral side. A post-operative radiograph is shown in Figure B. Which of the following is the LEAST likely etiology of her post-operative quadriceps weakness?
  • A
  • B
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  • A
  • B