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NEUROLOGY 1985;35:485
© 1985 American Academy of Neurology

Comparison of metrizamide computed tomography and magnetic resonance imaging in the evaluation of lesions at the cervicomedullary junction

Thomas M. Bosley, MD, David A. Cohen, MD, Norman J. Schatz, MD, Robert A. Zimmerman, MD, Larissa T. Bilaniuk, MD, Peter J. Savino, MD and Robert S. Sergott, MD

Neuro-ophthalmology Service (Drs. Bosley, Schatz, Savino, and. Sergott), Wills Eye Hospital, and the Departments of Neurology (Drs. Bosley, Cohen, and Schatz). Radiology (Drs. Zimmerman and Bilaníuk). and Ophthalmology (Drs. Savino and Sergott), University of Pennsylvania. Philadelphia, PA.

We compared intrathecal metrizamide-enhanced CT (metrizamide-CT) and magnetic resonance imaging (MRI) in the evaluation of 17 patients with clinical suspicion of lesions at the cervicomedullary junction. MRI was superior in imaging the position of the cerebellar tonsils and the size and extent of mass lesions. MRI and metrizamide-CT were equal in detecting syringomyelia. CT with and without IV contrast enhancement was necessary to detect calcium or defects in the blood-brain barrier within neoplasms.

Address correspondence and reprint requests to Dr. Bosley. Neuro-ophthalmology Service, Wills Eye Hospital, 9th and Walnut Streets, Philadelphia, PA 19107.

Accepted for publication August 6, 1984




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Council on Scientific Affairs, Report of the Panel on Magnetic Resonance Imaging, G. M. Bohigian, E. H. Estes Jr, I. R. Friedlander, W. C. Scott, J. H Skom, R. M. Steinhilber, J. P. Strong, H. N. Wagner Jr, et al.
Magnetic Resonance Imaging of the Central Nervous System
JAMA, February 26, 1988; 259(8): 1211 - 1222.
[Abstract] [PDF]


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