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Abstract

Superselective angio-CT of brain tumors.

N Tomura, M Hashimoto, R Sashi, H Hirano, M Kobayashi, Y Hirano, K Satoh, J Watarai and M Kowada
American Journal of Neuroradiology June 1996, 17 (6) 1073-1080;
N Tomura
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M Hashimoto
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R Sashi
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H Hirano
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M Kobayashi
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Y Hirano
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K Satoh
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J Watarai
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M Kowada
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Abstract

PURPOSE To determine the efficacy of superselective angio-CT in the diagnosis of astrocytoma.

METHODS Nineteen patients with astrocytoma had superselective angio-CT before chemotherapeutic agents were administered via superselective intraarterial infusion. CT was performed after contrast material was delivered through a microcatheter, which had been advanced into the feeding arteries of the tumor. Superselective angio-CT scans were compared with digital subtraction angiograms, conventional contrast-enhanced CT scans, and contrast-enhanced T1-weighted MR images.

RESULTS Superselective angio-CT scans depicted contrast enhancement of the tumor in all of the patients and the medullary veins of the tumors in 32% of the patients. Digital subtraction angiograms showed tumor stains in 68% of the patients and the medullary veins in only 5%. Conventional CT scans and MR images showed contrast enhancement of the tumor in 89% of the patients. Superselective angio-CT scans confirmed the proper position of the catheter tip for the infusion of a chemotherapeutic agent.

CONCLUSIONS Superselective angio-CT can be used to depict contrast enhancement of tumors and the vascular structures that are characteristic of astrocytomas.

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American Journal of Neuroradiology
Vol. 17, Issue 6
1 Jun 1996
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Superselective angio-CT of brain tumors.
N Tomura, M Hashimoto, R Sashi, H Hirano, M Kobayashi, Y Hirano, K Satoh, J Watarai, M Kowada
American Journal of Neuroradiology Jun 1996, 17 (6) 1073-1080;

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Superselective angio-CT of brain tumors.
N Tomura, M Hashimoto, R Sashi, H Hirano, M Kobayashi, Y Hirano, K Satoh, J Watarai, M Kowada
American Journal of Neuroradiology Jun 1996, 17 (6) 1073-1080;
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