Prospective analysis of in vivo landmark point-based MRI geometric distortion in head and neck cancer patients scanned in immobilized radiation treatment.

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Presentation transcript:

Prospective analysis of in vivo landmark point-based MRI geometric distortion in head and neck cancer patients scanned in immobilized radiation treatment position: Results of a prospective quality assurance protocol  Abdallah S.R. Mohamed, Chase Hansen, Joseph Weygand, Yao Ding, Stephen J. Frank, David I. Rosenthal, Ken-Pin Hwang, John D. Hazle, Clifton D. Fuller, Jihong Wang Abdallah S.R. Mohamed, Chase Hansen, Joseph Weygand, Yao Ding, Stephen J. Frank, David I. Rosenthal, Ken-Pin Hwang, John D. Hazle, Clifton D. Fuller, Jihong Wang  Clinical and Translational Radiation Oncology  Volume 7, Pages 13-19 (December 2017) DOI: 10.1016/j.ctro.2017.09.003 Copyright © 2017 Terms and Conditions

Fig. 1 This figure depicts the workflow of anatomical landmark measurements and comparison. Clinical and Translational Radiation Oncology 2017 7, 13-19DOI: (10.1016/j.ctro.2017.09.003) Copyright © 2017 Terms and Conditions

Fig. 2 Examples of anatomical landmarks included in the study. These landmarks were strategically selected to encompass a broad coverage of the anatomical areas and varieties of anatomical structures (bone, soft tissue) and direction (vertical vs. horizontal). Clinical and Translational Radiation Oncology 2017 7, 13-19DOI: (10.1016/j.ctro.2017.09.003) Copyright © 2017 Terms and Conditions

Fig. 3 Box plots for the landmark measurements in horizontal vs. vertical axis. Clinical and Translational Radiation Oncology 2017 7, 13-19DOI: (10.1016/j.ctro.2017.09.003) Copyright © 2017 Terms and Conditions

Fig. 4 Box plots for the landmark measurements in the upper, middle, and lower section of the head and neck. Clinical and Translational Radiation Oncology 2017 7, 13-19DOI: (10.1016/j.ctro.2017.09.003) Copyright © 2017 Terms and Conditions

Fig. 5 Box plots for the landmark measurements in the peripheral vs. central landmarks. Clinical and Translational Radiation Oncology 2017 7, 13-19DOI: (10.1016/j.ctro.2017.09.003) Copyright © 2017 Terms and Conditions