Intravenous Gd-diethylenetriamine pentaacetic acid (Gd-DTPA) was administered to 10 successive patients with cervical intraspinal tumors. Contrast enhancement was seen in each case. Gadolinium-DTPA was useful in outlining the tumoral masses, as well as in distinguishing intramedullary from extramedullary neoplasms.
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Bydder et al. (1985) studied this question.