How would you manage asymptomatic radiation necrosis seen on MRI after SRS of a benign tumor?

Topics: Radiation Oncology • Neuro-Oncology • Non-malignant Disease • Stereotactic Radiosurgery

Will this disappear over time on its own or should I be concerned that the necrosis will worsen over time, and repeat MRI more frequently?

Answer from: Radiation Oncologist at Community Practice

About half the time, the MRI findings resolve or stabalize over time. We repeat the MRI every 6-12 weeks depending on how concerning the MRI findings are, stability, degree of edema, location of radionecrosis, etc.. If the patient becomes symptomatic, we start steroids and refer to a neurosurgeon ex...

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Radiation Oncologist at Center for Neurosciences
Do you have a steroid dosing / taper protocol you ...

Answer from: Radiation Oncologist at Academic Institution

Asymptomatic necrosis could be observed with serial MRI imaging -- DCE MRI might be useful. Also how sure are you that the treated lesion was benign?

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Radiation Oncologist at University of Texas Southwestern Medical Center
Thanks @Yoshiya Yamada! The question is mostly in ...

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