1997•Veterinary Radiology & UltrasoundRequires access
SUBDURAL INJECTION OF CONTRAST MEDIUM DURING CERVICAL MYELOGRAPHY
Peter V. Scrivani, Paul Y. Barthez, Renéee Léveilé, Steven M. Schrader, Stephen M. Reed
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Abstract
Three patients (1 dog, 2 horses) are described where myelography was complicated, purportedly by injection of contrast medium into the meninges superficial to the subarachnoid space. Contrast medium injected in this location in a cadaver tended to accumulate dorsally within the vertebral canal, deep to the dura mater but superficial to the subarachnoid space. The ventral margin of the pooled contrast medium had a wavy or undulating margin and the dorsal margin was smooth. Pooled contrast medium was believed to be sequestered within the structurally weak dural border cell layer between the dura mater and arachnoid membrane, or the so-called subdural space.