Kim grading system for cervical neural foraminal stenosis:
grade 0 (normal): narrowest width of the neural foramen is more than the extraforaminal nerve root width at the level of the anterior margin of the superior articular process
grade 1 (moderate or non-severe stenosis): narrowest width of the neural foramen is 51–100% of the width of the extraforaminal nerve root at the level of the anterior margin of the superior articular process
-
grade 2 (severe stenosis): narrowest width of neural foramen ≤50% of
extraforaminal nerve root width
Kim grading system for cervical neural foraminal stenosis:
grade 0 (normal): narrowest width of the neural foramen is more than the extraforaminal nerve root width at the level of the anterior margin of the superior articular process
grade 1 (moderate or non-severe stenosis): narrowest width of the neural foramen is 51–100% of the width of the extraforaminal nerve root at the level of the anterior margin of the superior articular process
-
grade 2 (severe stenosis): narrowest width of neural foramen ≤50% of
extraforaminal nerve root width
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