Adaptive Radiotherapy for Head, Neck, and Thorax

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Final Segmentation

File:LungSeg.JPG Initial Curve

Key Investigators

• GaTech: Ivan Kolesov, Vandana Mohan, and Allen Tannenbaum
• MGH: Gregory Sharp

Objective

We are developing strategies to perform segmentation of a number of structures in the Head, Neck, and Thorax. Once segmentation is available, the goal is to register patient scans to account for anatomical changes between visits.

Approach, Plan

• Get an accurate segmentation before beginning work on registration
• First structure of interest is the mandible, by the end of the project week, obtain its segmentation
• Come up with a strategy for segmenting the brain stem
• Create an outline for further progress after the project week

Progress

• Segmentation results are shown above.
• We have three potential approaches to segmenting the brain stem to experiment with.
• Created a complete data set for one patient including label maps for structures of interest.