Unmasking of a spinal dural AV fistula on MRI following steroid administration

Author:

Rodriguez Jose,Nagornaya Natalya,Margolesky Jason,Saigal GauravORCID

Abstract

Abstract Background Spinal dural arteriovenous fistulas (dAVF) remain a rare, diagnostically challenging and possibly correctable condition with important prognostic outcomes dependent primarily on early detection and treatment. Case presentation We present a case of a 73-year-old male with progressively worsening neurological symptoms after steroid administration for a presumed diagnosis of transverse myelitis. This case is extremely unique, as the administration of steroids helped unmask an underlying spinal dural arteriovenous fistula by revealing characteristic imaging findings of a dAVF, not seen on the original MRI study. Conclusion In the setting of an unclear cause of transverse myelitis and worsening symptoms following steroid administration, the possibility of a ‘masked’ dural AVF should be considered and repeat imaging performed, which might help in the eventual diagnosis and definitive treatment of this elusive entity.

Publisher

Springer Science and Business Media LLC

Subject

Radiology, Nuclear Medicine and imaging

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