Thoracic disc herniation. Analysis of 14 cases and review of the literature.

Fourteen cases of thoracic intervertebral disc prolapse are reported and analysed. Eleven were women, 3 men, and the peak incidence was in the 5th decade. No trauma was reported in our cases. The T8/9 interspace was the most frequently involved. A sensory level was noticed in 6 cases and in four a clear cut sensory level at T10 was observed. Results of surgical treatment show that using microsurgical techniques costotransversectomy and its modifications are equally effective; laminectomy is contraindicated.