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Radiological changes on CT after stereotactic body radiation therapy to non-spine bone metastases: a descriptive series

  
@article{APM9679,
	author = {Nicholas Chiu and Linda Probyn and Srinivas Raman and Rachel McDonald and Ian Poon and Darby Erler and Drew Brotherston and Hany Soliman and Patrick Cheung and Hans Chung and William Chu and Andrew Loblaw and Nemica Thavarajah and Catherine Lang and Lee Chin and Edward Chow and Arjun Sahgal},
	title = {Radiological changes on CT after stereotactic body radiation therapy to non-spine bone metastases: a descriptive series},
	journal = {Annals of Palliative Medicine},
	volume = {5},
	number = {2},
	year = {2016},
	keywords = {},
	abstract = {Background: In recent years, stereotactic body radiation therapy (SBRT) has become increasingly used for the management of non-spine bone metastases. Few studies have examined the radiological changes in bone metastases after treatment with SBRT and there is no consensus about what constitutes radiologic response to therapy. This article describes various changes on CT after SBRT to non-spine bone metastases in eight selected cases.
Methods: A retrospective review was conducted for patients treated with SBRT to non-spine bone metastases between November 2011 and April 2014 at Sunnybrook Health Sciences Centre. A musculoskeletal radiologist identified eight illustrative cases of interest and provided a description of the findings.
Results: Different radiological changes following SBRT were described, including: remineralization of lytic bone metastases, demineralization of sclerotic bone metastases, pathologic fracture, size progression and response in different lesions, as well as lung fibrosis after SBRT to a rib metastasis.
Conclusions: We reviewed the radiological images of eight selected cases after SBRT to nonspine bone metastases and a number of characteristic findings were highlighted. We recommend future studies to correlate radiologic changes with clinical outcomes including pain relief, toxicity and long-term local control.},
	issn = {2224-5839},	url = {https://apm.amegroups.org/article/view/9679}
}