Regression of an atlantoaxial degenerative articular cyst associated with subluxation during conservative treatment

  • Takao Sagiuchi
    Department of Neurosurgery, Kitasato University School of Medicine, Sagamihara, Kanagawa, Japan
  • Satoru Shimizu
    Department of Neurosurgery, Kitasato University School of Medicine, Sagamihara, Kanagawa, Japan
  • Ryusui Tanaka
    Department of Neurosurgery, Kitasato University School of Medicine, Sagamihara, Kanagawa, Japan
  • Shigekuni Tachibana
    Department of Neurosurgery, Kitasato University School of Medicine, Sagamihara, Kanagawa, Japan
  • Kiyotaka Fujii
    Department of Neurosurgery, Kitasato University School of Medicine, Sagamihara, Kanagawa, Japan

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タイトル別名
  • Case report and review of the literature

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<jats:p>✓ The presence of an atlantoaxial degenerative articular cyst is rare; when present this lesion extends posteriorly to the dens, causing cervicomedullary compressive myelopathy. The authors describe a symptomatic case of this lesion associated with atlantoaxial subluxation in a 76-year-old man. The patient’s neurological symptoms resolved and corresponded to a reduction in the size of the cyst. After 8 months of continued conservative treatment, in which the patient wore a Philadelphia collar, the cyst spontaneously regressed. Subsequently, a C1–2 posterior fusion was performed to treat the atlantoaxial subluxation.</jats:p>

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