Term
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Definition
| 1st line posterior sacrum, 2nd line is (vertical line) posterior superior corner of S1(rolled over from side of film), 30-72 is normal with average of 46 |
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Term
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Definition
| 1st line at base of sacrum, 2nd line is superior anterior corner of S1(rolling up from lower border of film) 26-57 is normal with avg of 41 |
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Term
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Definition
| 1st line is base of sacrum, 2nd line is inferior endplate of L5, Normal range is 10-15, less than 10 is problem with disc, Greater than 15 is problem with facet |
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Term
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Definition
| 1st line is base of sacrum, 2nd line is perpendicular to that line at inferior most aspect of, looking to see if L5 has passed the 2nd line, if it has then this is a spondylolisthesis |
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Term
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Definition
| is separation of pars with anterior slippage of the Vertebral Body |
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Term
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Definition
| if you see a spondylolisthesis on lateral lumbar view, next step is to order a Oblique lumbar film to investigate further. |
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