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Upper Sacral Morphology Related to Iliosacral Screw Fixation in Korean
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Jung Jae Kim, Chul Young Jung, Hyoung Keun Oh, Byoung Se Yang, Jae Suck Chang
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J Korean Fract Soc 2007;20(2):115-122. Published online April 30, 2007
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DOI: https://doi.org/10.12671/jkfs.2007.20.2.115
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 Abstract
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- PURPOSE
To evaluate upper sacral morphology and anatomy of safe zone related to iliosacral screw fixation in Korean.
MATERIALS AND METHODS
100 patients performed pelvis 3D CT scan were evaluated. We used 16 channel CT and analyzed reconstructed image (shaded-surface display, transparent image and reformat image).
RESULT
The angle between superior aspect of S1 body and iliac cortical density is 27.3°, between anterior cortical line of S1,2 body and horizontal plane 24.6°, and between superior aspect of S1 body and horizontal plane is 39.7°. The axis of S1, S2 pedicle is 32.5° and 15.6° toward anteromedial. The area of S1 pedicle according to sagittal plane and sagittal-oblique axis is 310.7 mm2 and 384.8 mm2. Also, S2 pedicle area is increased 163.1 mm2 to 188.4 mm2. The average depth of ala indentation is 5.1 mm and the maximal value is 9.5 mm. Distinct upper sacral dysplasia is 22%, transitional form is 32%.
CONCLUSION
We measured Korean upper sacrum with 3D-CT, found out dysplasia come up to 54%. Considering the frequency of dysplasia, the investigation of anatomy and technique is essential to sacroiliac screw insertion.
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Citations
Citations to this article as recorded by  - Percutaneous posterior transiliac plate versus iliosacral screw fixation for posterior fixation of Tile C-type pelvic fractures: a retrospective comparative study
Chul-Ho Kim, Jung Jae Kim, Ji Wan Kim
BMC Musculoskeletal Disorders.2022;[Epub] CrossRef - Measurement of Optimal Insertion Angle for Iliosacral Screw Fixation Using Three-Dimensional Computed Tomography Scans
Jung-Jae Kim, Chul-Young Jung, Jonathan G. Eastman, Hyoung-Keun Oh
Clinics in Orthopedic Surgery.2016; 8(2): 133. CrossRef
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