Variation of Clinical Target Volume Definition among Japanese Radiation Oncologists in External Beam Radiotherapy for Prostate Cancer

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Variation of clinical target volume definition among Japanese radiation oncologists in external beam radiotherapy for prostate cancer.

BACKGROUND We investigated the interobserver variation in the prostate target volume and the trend toward the use of diagnostic computed tomography (CT) or magnetic resonance (MR) images for treatment planning. METHODS Twenty-five radiation oncologists were asked to draw the external contour of the prostate on CT images (0.3 cm spacing) of a patient with localized prostate cancer. They also a...

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Introduction: Recently, magnetic resonance spectroscopic imaging (MRSI), as a functional imaging method, has been used for clinical target volume definition. In this study, we used this method to define the target volume in prostate radiotherapy. Material and Method: In this study, we used images of 20 prostate cancer cases. MRSI and MRI images were fused with CT images. Then, treatment plannin...

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the role of mrsi in target volume definition for radiation therapy of prostate cancer

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ژورنال

عنوان ژورنال: Japanese Journal of Clinical Oncology

سال: 2008

ISSN: 0368-2811,1465-3621

DOI: 10.1093/jjco/hyn014