Intraspinal synovial or ganglion cysts of the cervical spine are rare. We present the third reported case of a degenerative articular cyst of the upper cervical spine, involving the quadrate ligament of the odontoid process. Magnetic resonance examination reveals typical images. A new, more general terminology is proposed.
Department of Neurology and Neurosurgery (JG, CP), Department of Radiology (GW), University Hospital Gasthuisberg, Leuven, Department of Neurology, Kliniek Maria's Voorzienigheid, Kortrijk (BB), and Department of Radiology, Algemeen Ziekenhuis Sint-Jan (JC), Brugge, Belgium
Reprint requests: Jan Goffin, M.D., Department of Neurology and Neurosurgery, University Hospital Gasthuisberg, Herestraat 49, B-3000 Leuven, Belgium.
Received for publication, September 26, 1991; accepted, November 18, 1991.