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2016, Volume 7, Number 3, Page(s) 189-194
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Cervical Subaxial Synovial Cyst with Progressive Myelopathy: Report of a Case and Review of the Literature
Abolfazl Rahimizadeh, Housain Soufiani, Valliolah Hassani, Naser Agari, Mahan Amirzadeh, Ava Rahimizadeh
Pamim Research Center, Pars Hospital, Neurosurgery Spine, Tehran, Iran, Islamic Republic of
Keywords: Cervical spine, juxtafacet cyst, MRI, subaxial cervical spine, synovial cyst

Subaxial cervical synovial cyst is a rare but curable example of an extradural spinal pathology responsible for progressive neurological deficit. In careful review of the literature the authors found 28 cases of subaxial cervical synovial cyst with detailed information

Herein, we present a 75-year-old male with a history of progressive weakness of all extremities and unsteady gait where his neurological examination revealed spastic quadriparesis. MRI showed a right-sided mass that was hyperintense in T2-weighted and hypointense in T1-weighted images at the C6-C7 level. CT scan showed a cystic lesion with ossified capsule. These images were compatible with a synovial cyst and its surgical removal resulted in marked recovery. Besides presentation of this case, which is a demonstrative one, a review of the literature will be done. Furthermore, the pathogenesis, clinical picture, imaging features, the most appropriate treatment and the outcome of this pathology will be discussed in detail.

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