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Fig. 1 | BMC Medical Imaging

Fig. 1

From: Impact of metal artifact reduction algorithm on gross tumor volume delineation in tonsillar cancer: reducing the interobserver variation

Fig. 1

Examples of gross tumor volume (GTV) in patients with tonsillar cancer. Each panel includes axial (left), sagittal (center), and coronal (right) images. A GTVs were delineated by four observers using conventional computed tomography (CT) images. The mean Dice similarity coefficient (DSC) was 0.80 with a mean GTV value of 23.7 cm3. B GTVs were delineated by four observers based on conventional and metal artifact reduction fused CT images. The mean DSC improved to 0.83 with a mean GTV value of 21.6 cm3 based on the combination of conventional and metal artifact reduction CT images

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BMC Medical Imaging

ISSN: 1471-2342

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