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Journal of Korean Neurosurgical Society 1994;23(11): 1323-1327.
Transoral Decompression and Posterior Fusion for Unstable Os Odontoideum and Cord Compression: Case Report.
Hyung Bong Moon, Won Gyu Choi, Hyun Won Jo, Sung Moon Yoon
Department of Neurosurgery, Ulsan Dong Gang Hopital Ulsan, Korea.
The authors present the one case of a 22-year-old man admitted with intermittent quadriparesis and respiratory difficulty. On investigation, atlantoaxial instability and upper cervical cord compression due to abnormal soft tissue were revealed. We have performed transoral decompression and biopsy, and then posterior transarticular facet screw fixation with interspinous wiring and fusion. We could obtain immediate and long-term postoperative stability with Philadelphia collar only. The pathologic examination reveald connective soft tissue hypertrophy due to chronic mechanical irritation.
Key Words: Os odontideum; Atlantoaxial instability; Transoral decompression; Posterior atlantoaxial facet screw fixaton; Chronic mechanical irritation
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