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Review Question - QID 214056

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QID 214056 (Type "214056" in App Search)
A 63-year-old male patient presents with persistent hand numbness and clumsiness after a C4-6 anterior cervical discectomy and fusion. Recent magnetic resonance imaging demonstrated good anterior decompression and correction of local kyphosis, but persistent stenosis from hypertrophied ligamentum flavum and the presence of myelomalacia that is unchanged from preoperative magnetic resonance imaging. What would be the theoretical benefit if the treating surgeon elects to proceed with a C4-6 laminoplasty rather than a C4-6 laminectomy?