Case Reports

Cervical Pannus Without Rheumatoid Arthritis or Trauma

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Discussion

Cervical pannus is relatively uncommon in those without RA. However, there are multiple reasons that a patient could develop a cervical pannus. Cervical pannus in RA and cervical pannus without RA may mimic each other clinically, but medical management is distinctly different. Consequently, a rheumatology consult is necessary to ensure that there is no undiagnosed autoimmune disorder. Our patient did not have RA, and a neurosurgery intervention was needed to manage her headaches and unsteady gait. Although we could not isolate a cause of this patient’s cervical pannus development, we believed that nonintervention would adversely affect this patient.

The course of pannus progression can be fatal especially if left untreated.12 MRI can detect a pannus and may be helpful for planning surgery.13 Surgical resection has been the treatment of choice for patients with neurologic symptoms.14 However, some cases have reported resolution of pannus associated with RA and other forms of chronic atlantoaxial instability only after posterior stabilization.14In order to manage pannus, cervical spine examination for the diagnosis of cervical involvement is encouraged to prevent morbidity and mortality.13 There are new data that demonstrated the potential of using retinoid X receptor agonists, such as bexarotene, as a treatment against the development and progression of pannus.14

Conclusions

We present a patient with cervical pannus disease without RA whose diagnosis was based on the pathognomonic pattern seen on MRI. She showed a clinically significant recovery with an occiput to C2 posterior instrument arthrodesis as well as decompression. She showed marked improvements in her headaches and unsteady gait. This case report highlights the importance of realizing cervical pannus as a disease found in patients without RA. It serves as an alert to clinicians for timely detection, diagnosis, and initiation of treatment to prevent mortality and long-term neurologic sequelae of cervical pannus.

Although further studies of early diagnosis and treatment for cervical pannus are warranted, we propose that including pannus in a differential diagnosis for patients with no RA could be lifesaving.

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