It has been known that the inducing factors of low back pain are aumerous-such as songenital anormalies, degenerative, traumatic and inflamatory pricess of the spine and its adjacent structures. Despite many relevant literatures upon low back pain, it has been also known that to differentiate causes of low back pain is difficult but very important for treatment.
Exclusive of those who dad defenite trauma history of spine, 704 cases low back pain in adult, treated at Dept, of Qr ~hopedic surgery Kyungpook University Hospital during recent Syr & 4 months were reviewed and analyzed by the X-ray findings of lumbar spine. Anterioposterior and lateral films of lumbar spine were available in each casss but oblique films and myelography was also available as indicated.
The results obtained were as follows.
1. Thy roentgenograms of the spine of 704 cases were reviewed. 494 cases revealed ~structual changes of the spine. 273 cases were non specific.
2. Of 494 cases reaveld structual changes, 2´73 cases were disease entities, 190 cases were bony abnormalities, and combined cases were 67.
3. Among 273 cases of disease, disc herniation was most common except osteoarthritis(32csses) Tuberculous, spondylolitis, 23cases and pyogenic spondylolitis was 3 cases.
4. Among 2b7 cases of Bony afnormalities, spina bifida was most common (128 cases).
5. Degenerative changes of the spine was appeared in 3rd, decades (4.8%) and the incidence and ~everity increased with age.
6. Among 34 casss of multiple abnormalities, 33 cases were combined with spina bifida.
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