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Evaluation of vascular supply with cone-beam computed tomography during intraarterial chemotherapy for a skull base tumor

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A cone-beam lowers the X-ray exposure level and the contrast material dose used compared to those for the conventional angiography-computed tomography (angio-CT) technique. Herein we present a patient with a metastatic skull base bone tumor in which the subtraction image of cone-beam CT with a flat panel detector was useful for evaluating the vascular supply during superselective intraarterial chemotherapy. Although the image quality of cone-beam CT is poorer than that of conventional angio-CT, the cone-beam CT system is sufficient for clinical use.

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Correspondence to Reiichi Ishikura.

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Ishikura, R., Ando, K., Nagami, Y. et al. Evaluation of vascular supply with cone-beam computed tomography during intraarterial chemotherapy for a skull base tumor. Radiat Med 24, 384–387 (2006).

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