Abstract

Syringomyelia with compression at the foramen magnum is a well-studied subject with a pathophysiological hypothesis explaining syrinx development and treatment.1,2 However, compression of the cervical cord, as in cervical spondylosis, can also lead to cavitation in the spinal cord.3,4 Although the association of intramedullary spinal cord tumors with syringomyelia is well known,5 the association of extramedullary tumors with syringomyelia is scarcely reported, and it is of unknown mechanism and uncertain outcomes regarding syrinx resolution. Syringomyelia is reported to be associated with intramedullary spinal schwannoma.6 However, spinal schwannomas are by and large extramedullary tumors that produce deficits through compressive radiculopathy or myelopathy. The association of extramedullary schwannomas with syringomyelia is extremely rare. In this article, we present a patient with an extramedullary high-cervical schwannoma causing significant syringomyelia who underwent microsurgical resection of the schwannoma, with subsequent total resolution of the syringomyelia. The patient consented for surgery. Images from Lancet 1969 at 6:36 in video Reprinted from The Lancet, Vol. 294, Bernard Williams, The Distending Force in the Production of "Communicating Syringomyelia," Pages 189-193, Copyright 1969, with permission from Elsevier.

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