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Background  Charcot spinal arthropathy, also known as Charcot spine and neuropathic spinal arthropathy, is a progressive and destructive condition that affects an intervertebral disc and the adjacent vertebral bodies following loss of spinal joint innervation. We report the first case of Charcot spinal arthropathy (CSA) associated with cerebrospinal fluid (CSF)-cutaneous fistula.    Case presentation  A 54-year-old male who underwent T10-L2 posterior instrumented spinal fusion seven years prior for treatment of T11 burst fracture and accompanying T11 complete paraplegia visited our department complaining of leakage of clear fluid at his lower back. The patient had also undergone various types of skin graft and myocutaneous flap surgeries for treatment of repetitive pressure sores around his lumbosacral area. The patient presented with persistent CSF leakage from a cutaneous fistula (CSF-cutaneous fistula) formed in a lumbosacral pressure sore. The CSF-cutaneous fistula arose from the L5 post-traumatic CSA. Surgery was planned for management of CSF-cutaneous fistula and post-traumatic L5 CSA. We successfully treated the CSF-cutaneous fistula with ligation and transection of the dural sac and cauda equina at the L2-L3 level. In addition, the post-traumatic L5 CSA was successfully treated with a posterior four-rod spinopelvic fixation from T9 to ilium and S2 foramina. After surgery, the CSF leakage stopped and no other adverse neurological changes were found. The four-rod spinopelvic construct was well maintained five years later.    Conclusions  CSA associated with CSF-cutaneous fistula is a very rare disorder. Only surgical treatment for both CSA and CSF-cutaneous fistula with ligation and transection of the dural sac and posterior four-rod spinopelvic fixation can bring satisfactory results.

Cerebrospinal fluid-cutaneous fistula associated with post-traumatic Charcot spinal arthropathy: a case report and review of literature