Variations in 0° and 8° Caudal Angulation in Lumbosacral Joint Lateral Projection Examinations with Clinical Low Back Pain to Show More Informative Anatomy in the Radiology Department of Pariaman Regional General Hospital
DOI:
https://doi.org/10.62872/31bm4366Keywords:
Radiography, Lumbosacral joint, 0° and 8° caudal anglesAbstract
This quantitative experimental study, conducted at the Radiology Department of Pariaman Regional General Hospital, compared the diagnostic quality of lateral lumbosacral radiographs using 0° and 8° caudal beam angles. With a sample of three female patients assessed by five radiology specialists, results analyzed via the Wilcoxon test showed the 8° caudal projection (score: 3.87) was superior to the 0° angle (score: 3.07). The 8° angle provided a more optimal image, characterized by a well-opened intervertebral disc space and clear visualization of the spinous process without sacral overlap, making it more informative for clinical evaluation. In contrast, the 0° angle, while offering a clearer vertebral body outline, resulted in a less open disc and superimposed spinous process. The findings suggest that an 8° caudal beam angle enhances visualization of key anatomical structures in lateral lumbosacral radiography.
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Copyright (c) 2025 Santa Mareta, Oktavia Puspita Sari, Nerifa Dewilza, Livia Ade Nansih, Nadhifa Shofikha Giani (Author)

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