Muhle staging system of cervical canal stenosis

Case contributed by Disha Lokhandwala

Muhle staging system of cervical canal stenosis

  • stage 0: physiological alignment of the cervical spine is seen

  • stage 1: disc herniation or protrusion without cord impingement on flexion and extension

  • stage 2: cervical spondylosis with anterior cord impingement on flexion and extension. No posterior cord encroachment or pincer effect is seen at this stage.

  • stage 3: cervical spondylosis with restricted motion of the involved segment, anterior or posterior cord impingement and pincer effect

  • stage 4: cervical spondylitic myelopathy, anterior and/or posterior cord impingement and pincer effect at one or multiple levels, adjacent to or away from the primarily involved segment.

Muhle staging system of cervical canal stenosis

  • stage 0: physiological alignment of the cervical spine is seen

  • stage 1: disc herniation or protrusion without cord impingement on flexion and extension

  • stage 2: cervical spondylosis with anterior cord impingement on flexion and extension. No posterior cord encroachment or pincer effect is seen at this stage.

  • stage 3: cervical spondylosis with restricted motion of the involved segment, anterior or posterior cord impingement and pincer effect

  • stage 4: cervical spondylitic myelopathy, anterior and/or posterior cord impingement and pincer effect at one or multiple levels, adjacent to or away from the primarily involved segment.

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