External fixation is often used for open fractured or infected long bone. However, That for infected spines has not been reported untilnow. We have used percutaneous external fixation for pyogenic spondylosis with severe instability of the spine and epidural abscess. A 74-year-old man had severe pain of both legs. He was not able to walk. MRI showed bony destruction of the L3 and L4 vertebras and epidural abscess formation at the level of Th8 to L1. Xp showed severe instability of the lumbar

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... ne. External fixation and anterior interbody fusion were performed and good results were achievel Spinal instrumentation for pyogenic spondylosis is now the standerd method. However implants have never been used for infected long bone. And if operations are needed, external fixation is used. Likewise external fixation is a good method for pyogenic spondylosis.