re-irradiation after single fraction cavity SRS? What dose?

Dear colleagues, please advise concerning this patient: 40 yo male, high PS, diagnosed a couple of years ago of colic cancer that was locally treated. Aug 2020: he was diagnosed of left parietal (at the level of the motor strip) solitary brain lesion. octobre 2020: he underwent a complete resection , followed by cavity SRS 18Gy /1 fr April 2020: refractory seizures MRI showed a relapsing left parietal cavity lesion, whose epicenter was next to the trolard vein. he was re-resected quasi... re-irradiation after single fraction cavity SRS? What dose?
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Tags: Radiation Oncology Source Type: forums