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Anterior Cervical Arachnoid Cyst Simulating SyringomyeliaA Case With Preceding Posterior Arachnoid Cysts
Joel Herskowitz, MD;
Martin A. Bielawski, MD;
Nagagopal Venna, MB, MRCP;
Thomas D. Sabin, MD
Arch Neurol. 1978;35(1):57-58.
Abstract
• An arachnoid cyst lying anterior to the cervical cord at level C6-7 was found in a 28-year-old woman believed to have syringomyelia. This diagnosis was based both on previous findings at laminectomy and on computerized tomography. The diagnosis of arachnoid cyst was suspected because of clinical features atypical for classical syringomyelia and a history of arachnoid cysts found during childhood. Air myelography demonstrated an extramedullary intradural mass anteriorly that proved to be an arachnoid cyst. Drainage and subtotal resection resulted in marked clinical improvement. This case illustrates the need for reevaluation when a patient with "known" syringomyelia presents an atypical clinical picture. Anterior cervical arachnoid cyst, which may accompany or succeed posterior arachnoid cysts, should be considered.
Author Affiliations
From the Neurological Unit, Boston City Hospital, Boston.
Footnotes
Accepted for publication July 18, 1977.
Reprint requests to the Neurological Unit, Boston City Hospital, 818 Harrison Ave, Boston, MA 02118 (Dr Sabin).
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