The optimal surgical approach for thoracic disk herniation is controversial, and long-term follow-up is poorly documented. We retrospectively reviewed the records of 31 patients who underwent surgery for herniated thoracic disks at our institution during a 17-year period (1975-1992). Two patients had multiple disk herniations; 16 of 33 herniated disks occurred at or below the T10-11 level. There were three surgical approaches to diskectomy: laminectomy in four patients, transpedicular surgery in 12, and costotransversectomy in 15. Weakness resolved postsurgery in nine of 18 patients. One patient transiently deteriorated neurologically after a laminectomy, three had wound infections, and two required second operations for their herniated disks. Postsurgery half the patients with symptoms continued to have pain or weakness.
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Ridenour et al. (1993) studied this question.