MR-only brain radiotherapy: Dosimetric evaluation of synthetic CTs generated by a dilated convolutional neural network

Synthetic CTs of 52 patients treated with intracranial radiotherapy were generated from a conventional MR sequence using a convolutional neural network. Recalculation of clinical treatment plans on the synthetic CTs showed that dose calculation was accurate. A wide range of tumor locations was analyzed, validating the synthesized CTs for implementation of MR-only treatment planning for the brain.

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