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Abstract

Assessment of extradural degenerative disease with Gd-DTPA-enhanced MR imaging: correlation with surgical and pathologic findings.

J S Ross, M T Modic, T J Masaryk, J Carter, R E Marcus and H Bohlman
American Journal of Neuroradiology November 1989, 10 (6) 1243-1249;
J S Ross
Department of Radiology, University Hospitals of Cleveland/Case Western Reserve University, OH 44106.
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M T Modic
Department of Radiology, University Hospitals of Cleveland/Case Western Reserve University, OH 44106.
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T J Masaryk
Department of Radiology, University Hospitals of Cleveland/Case Western Reserve University, OH 44106.
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J Carter
Department of Radiology, University Hospitals of Cleveland/Case Western Reserve University, OH 44106.
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R E Marcus
Department of Radiology, University Hospitals of Cleveland/Case Western Reserve University, OH 44106.
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H Bohlman
Department of Radiology, University Hospitals of Cleveland/Case Western Reserve University, OH 44106.
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Abstract

To test whether gadolinium-DTPA-enhanced MR would increase the conspicuity of extradural degenerative disease in the previously unoperated patient, we prospectively studied a group of 30 patients with symptoms suggestive of disk disease. Surgical findings and pathologic correlations were used as an objective measure of accuracy. Gadolinium-DTPA increased the confidence of diagnosis at one of eight operated cervical levels (six patients) and changed the diagnosis from extradural degenerative disease to tumor in one patient. The mechanism of enhancement of the epidural space and peridiskal region appears to be related to accumulation of contrast material within the epidural venous plexus, as well as to epidural fibrosis associated with disk disruption and herniation. While the immediate clinical utility of gadolinium-DTPA for morphologic analysis seems limited to difficult cervical spine cases, the presence of enhancement as a marker of epidural fibrosis and attempted healing may prove to be of great importance in studying the natural history and basic pathophysiology of degenerative disk disease.

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American Journal of Neuroradiology
Vol. 10, Issue 6
1 Nov 1989
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Assessment of extradural degenerative disease with Gd-DTPA-enhanced MR imaging: correlation with surgical and pathologic findings.
J S Ross, M T Modic, T J Masaryk, J Carter, R E Marcus, H Bohlman
American Journal of Neuroradiology Nov 1989, 10 (6) 1243-1249;

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Assessment of extradural degenerative disease with Gd-DTPA-enhanced MR imaging: correlation with surgical and pathologic findings.
J S Ross, M T Modic, T J Masaryk, J Carter, R E Marcus, H Bohlman
American Journal of Neuroradiology Nov 1989, 10 (6) 1243-1249;
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