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A new dorsal modular fixation device allows a modified approach in cervical and cervico-thoracic neoplastic lesions

INTRODUCTION: The aim of this study was to improve the management of cervical tumor osteolysis. A new modular rod-screw implant system for the posterior instrumentation of the occipito-cervical, cervical and cervico-thoracic spine (neon occipito cervical system, Ulrich, Germany) is available since 2000. K-wire guided pedicle screws are used, CT-guided instrumentation is possible. Previous studies have demonstrated increased biomechanical stability compared to established posterior cervical systems. METHODS: The cervical and cervico-thoracic spine of 8 patients (6 males, 2 females, mean age 62 years, range 48-77 years) with osteolysis due to plasmocytoma (n=2), bronchial (n=2), mammary (n=2), esophageal (n=1) and pancreatic (n=1) carcinoma were instrumentated since June 2001. RESULTS: A stable fixation without loosening or failure of the fixation system was achieved in all cases. No impairment of the neurogical status was observed. CONCLUSION: Posterior instrumentation of the cervical spine including the occipito-cervical and the cervico-thoracic region with a new modular angle-stable rod-screw implant system offers good stabilization and allows simultaneous decompression. Since tumor masses are predominantly located in the anterior portion of the spine blood loss can be reduced

Keywords : Aged,blood,Bone Screws,Carcinoma,Cervical Vertebrae,complications,etiology,Female,Fracture Fixation,Internal,Germany,Humans,injuries,instrumentation,Internal Fixators,Male,methods,Middle Aged,Neoplasms,Osteolysis,Patients,Spinal Cord,Spinal Cord Injuries,Spine,surgery,Thoracic Vertebrae,Universities,, New,Dorsal,Modular,Fixation,Device, meralgia paresthetica uk

Date of Publication : 2004 May

Authors : Huch K;Cakir B;Dreinhofer K;Puhl W;Richter M;

Organisation : Department of Orthopedic Surgery and Spinal Cord Injury (RKU), University of Ulm, Germany. klaus.huch@medizin.uni-ulm.de

Journal of Publication : Eur Spine J

Pubmed Link : https://www.ncbi.nlm.nih.gov/pubmed/14735335

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