Abstract #1111
1.0T MR-based Treatment Planning for Spinal Stereotactic Radiosurgery Initial Case Study
Ning Wen 1 , Joshua Kim 1 , Carri Glide-Hurst 1 , Bo Zhao 1 , Yimei Huang 1 , David Hearshen 2 , Milan Pantelic 2 , M.Salim Siddiqui 1 , Kenneth Levin 1 , Benjamin Movsas 1 , Indrin Chetty 1 , and Samuel Ryu 1
1
Radiation Oncology, Henry Ford Health
System, Detroit, Michigan, United States,
2
Radiology,
Henry Ford Health System, Detroit, Michigan, United
States
This study is to investigate the feasibility of
developing a stereotactic radiosurgery treatment
protocol for spinal metastatic lesions based solely on a
dedicated 1.0 T magnetic resonance simulation platform.
The dose was calculated on a synthetic CT image set
generated from a weighted combination of T1-weighted and
T2-weighted images for one patient. The dose calculation
difference between CT and synthetic CT was within 3%.
However, the bony segmentation, metal artifacts and
geometric distortion correction need to be further
investigated to use MRI as the primary imaging modality
for spinal radiosurgery.
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