Cardiac Substructure Segmentation and Dosimetry Using a Novel hybrid MR/CT Cardiac Atlas

Radiation dose to the heart and cardiac substructures has been linked to cardiotoxicities. As cardiac substructures are poorly visualized on treatment planning computed tomography (CT), we employed the superior soft tissue contrast of magnetic resonance (MR) imaging to optimize a hybrid MR/CT atlas for substructure dose assessment using CT.

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