Abstract #4094

Lung Tumor Tracking with Simulated Navigator Echoes

Karen Mooney ¹ , Tejan Diwanji ¹ , Xiutao Shi ¹ , Warren D D'Souza ¹ , and Nilesh Mistry ¹

¹ Radiation Oncology, University of Maryland School of Medicine, Baltimore, Maryland, United States

Simulated 1D navigator echoes were retrospectively generated in two directions from 2D MR images of 5 patients with lung tumors. The respiratory motion of the tumors was tracked using the navigators, and the results were compared to manual tracking of the tumors using the full images.

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