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How would you approach treatment of a posterior fossa metastasis with surrounding vasogenic edema causing mass effect on the 4th ventricle in an asymptomatic patient?

3 Answers
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Radiation Oncology · Renaissance Institute of Precision Oncology & Radiosurgery
Answered on

Agree with Dr Chao's answer above on this. In our institution, our treatment of these lesions (in the context of limited mets and no LMD) falls into 3 categories:

-preop SRS, usually 15Gy/1fx to the lesion followed by resection that day, sometimes followed by post-op SRS if lesion still felt to be h...

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Radiation Oncology · Cleveland Clinic
Answered on

In the setting of relatively limited number of brain metastases, there are 2 approaches.

1) Surgical resection with neoadjuvant or adjuvant SRS

2) SRS alone

If surgical resection is done, I favor doing the SRS neoadjuvantly to minimize the risk of leptomeningeal spread which seems to be higher in th...

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Radiation Oncology · University of Rochester
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I agree with @Dr. First Last and @Dr. First Last. Along with @Dr. First Last, I prefer fractionated SRS for this situation. I did have one patient require a shunt after SRS-induced edema of a lesion abutting the 4th ventricle. While this would be considered a high grade toxicity, it was fortunately ...

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