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What is Microdecompression Spine Surgery

A microdiscectomy or microdecompression spine surgery involves a small portion of the bone over the nerve root and/or disc material from under the nerve root is removed to relieve neural impingement and provide more room for the nerve to heal

spine up close

How Microdiscectomy Surgery Is Performed

A microdiscectomy is performed through a small (1 inch to 1 1/2 inch) incision in the midline of the low back.

  • First, the back muscles (erector spinae) are lifted off the bony arch (lamina) of the spine. Since these back muscles run vertically, they can be moved out of the way rather than cut.
  • The surgeon is then able to enter the spine by removing a membrane over the nerve roots (ligamentum flavum), and uses either operating glasses (loupes) or an operating microscope to visualize the nerve root.

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