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How do you treat a focal pericardial metastasis?

For a focal pericardial metastasis being treated with high-dose SBRT, what is your standard practice for: GTV to PTV margin (specifically for motion and gating)? Heart OAR constraints?
3 Answers
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Radiation Oncology · Quillen VA Medical Center
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In the era of oligometastatic disease, I understand the question. But an isolated event found at the pericardium is a stretch of concept. The issues of both the target and its physiological motion, and the presumably late cardiac injury, balance a choice of what’s best for the patient. How likely is...

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Radiation Oncology · Renaissance Institute of Precision Oncology & Radiosurgery
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Both doable and appropriate in the selected patient. I have seen patients die of solitary progression of pericardial/myocardial metastasis that was ignored by their med onc (or, in the case I remember most vividly, their gyn onc) team because they assumed there wasn't a reasonable radiological optio...

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Radiation Oncology · Cleveland Clinic
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We follow our standard SBRT practices for simulation and planning of all lung parenchymal tumors, independently of tumor location. This would be the process used specifically for a pericardial lesion as well. Target motion is delineated using 4DCT imaging, which generates an ITV from which we create...

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