| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| central disc protrusion indenting thecal sac | 1.92 | 0.6 | 727 | 11 | 44 |
| central | 0.54 | 0.5 | 3187 | 73 | 7 |
| disc | 0.67 | 0.3 | 1020 | 73 | 4 |
| protrusion | 1.59 | 0.4 | 6755 | 48 | 10 |
| indenting | 0.35 | 0.2 | 8428 | 2 | 9 |
| thecal | 0.17 | 0.7 | 722 | 62 | 6 |
| sac | 0.07 | 1 | 3302 | 39 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| central disc protrusion indenting thecal sac | 0.84 | 0.1 | 9501 | 92 |
| central disc bulge indenting the thecal sac | 1.76 | 0.3 | 5999 | 67 |
| disc indenting thecal sac | 1.66 | 0.9 | 5686 | 89 |
| disc bulge indenting thecal sac | 0.14 | 0.7 | 5377 | 43 |
| disc protrusion effacing thecal sac | 0.92 | 0.6 | 5717 | 23 |
| disc protrusion thecal sac compression | 0.23 | 0.9 | 3337 | 73 |
| disc bulge indents the thecal sac | 0.74 | 0.7 | 5369 | 95 |
| posterior disc bulge indenting thecal sac | 1.55 | 0.2 | 604 | 34 |
| disc bulge indenting the ventral thecal sac | 0.65 | 0.8 | 9532 | 13 |
| diffuse disc bulge indenting thecal sac | 1.31 | 0.3 | 5456 | 52 |
| disc herniation indenting thecal sac | 0.37 | 0.7 | 9509 | 43 |
| disc bulge indents the ventral thecal sac | 1.81 | 0.9 | 5374 | 17 |
| indenting anterior thecal sac | 0.9 | 0.4 | 1448 | 17 |
| indenting the thecal sac | 1.94 | 0.3 | 6451 | 32 |
| indenting ventral thecal sac | 1.64 | 0.7 | 9410 | 53 |
| disc bulge abutting the thecal sac | 1.4 | 0.6 | 9041 | 24 |
| small central disc protrusion | 1.73 | 0.5 | 661 | 10 |
| indentation on the thecal sac | 1.22 | 0.8 | 1604 | 31 |
| indents the thecal sac | 0.99 | 0.3 | 5042 | 61 |
| indentation of anterior thecal sac | 0.2 | 0.4 | 7734 | 43 |
