CNS Flashcards
1
Q
How long does it take for radiation to take effect on brain metastasis?
A
Generally 3 months
2
Q
What is the preferred method for limited brain metastasis radiation treatment?
A
SRS is generally recommend over WBRT.
1-3 metastasis has randomised evidence.
Up to 10 can be considered.
Caution for surgical cavity size > 5cm.
27Gy in 3# < 2.5 cm
30Gy in 5# > 2.5 cm
3
Q
What is the local recurrence rate after resection for brain metastasis?
A
50% at 1-2 years.
