Abstract:
STUDY DESIGN:Retrospective review. OBJECTIVE:To describe an accurate method of intraoperative localization of thoracic spine levels with percutaneously placed radiopaque markers at the pedicle of the level of interest. SUMMARY OF BACKGROUND DATA:Intraoperative localization of thoracic spine levels can be difficult in cases without obvious vertebral body deformation (compression fracture, tumor), such as thoracic discectomy, as well as in surgery of the midthoracic spine and in the morbidly obese. Intraoperative fluoroscopy or plain radiographs are useful but can often be difficult to interpret in these cases. METHODS:Fourteen patients requiring anterior thoracic spine surgery for thoracic disc herniations underwent preoperative localization and placement of radiopaque marker. Using standard percutaneous techniques, the radiopaque markers were placed using biplanar fluoroscopy at the pedicle at the level of interest. Eight patients subsequently underwent thoracoscopic discectomy and fusion, and 6 patients underwent mini-open thoracotomy for discectomy and fusion. RESULTS:Placement of radiopaque markers was successfully completed without complications in all 14 patients. Intraoperatively, the markers were easy to identify and assisted in identification of the correct surgical level in all cases. CONCLUSION:Preoperative placement of radiopaque markers at the level of interest before surgery of the thoracic spine is a safe and effective technique for avoiding wrong-level surgery in cases in which standard localization techniques may be difficult.
journal_name
Spine (Phila Pa 1976)journal_title
Spineauthors
Binning MJ,Schmidt MHdoi
10.1097/BRS.0b013e3181c90bdfsubject
Has Abstractpub_date
2010-09-01 00:00:00pages
1821-5issue
19eissn
0362-2436issn
1528-1159journal_volume
35pub_type
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