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Journal of Korean Neurosurgical Society > Volume 18(2); 1989 > Article
Journal of Korean Neurosurgical Society 1989;18(2): 301-311.
Thoracic Disc Herniations.
Hyun Jib Kim, Jong Woo Han
Department of Neurosurgery, College of Medicine, Seoul National University, Seoul, Korea.
ABSTRACT
Thoracic disc herniation is so uncommon that only four cases have been literally reported to Korean Neurosurgical Journal Since 1972. Authors report here another 7 cases of thoracic disc herniation and analyse clinical findings and surgical outcome of 11 cases including 4 cases previously reported from other hospitals. Results are as follows: 1) Male dominancy in incidence was quite evident(10 : 1), and most patients were middle aged(30-50). 2) About a half of the patients had sudden onset of spinal cord compression symptoms, and the remaining half had insidious onset. 3) In 7 of 11 patients, diagnosis could be done by myelography alone, but in 4 of 11 cases, myelographic findings were equivocal and contrast CT scan were required for confirmation. 4) Thoracic disc herniations were more frequent in mid-thoracic discs(T5-T8 disc). 5) Considering the direction and location of disc herniations, 7 cases were paramedian, 2 cases central and 1 case was posterolateral. 6) Transthoracic transpleural approach were adequate for central or paramedian disc herniations, and posterolateral or transpedicular approach for lateral herniations.
Key Words: Thoracic disc herniation; Contrast CT scan; Transthoracic transpleural approach; Posterolateral or transpedicular approach
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