Acoustic Neuroma Flashcards
1
Q
Cranial nerves exit the brainstem
A
2
Q
CN pathway
A
3
Q
SRS Dose
Acoustic Neuroma
A
12-13Gy
GK SRS: 12.5Gy prescribed to 50% Isodose line, can do 0-2mmPTV
Linac: 12.5Gy prescribed to 80% Isodose line
4
Q
SRS Brainstem dose contrain
A
12.5Gy
5
Q
Audiogram
A
Hearing test prior to planning RT
6
Q
Local control with RT
A
90-100% with EBRT
7
Q
Surgery vs RT
A
Surgery: Faster relief
RT: Hearing preservation (RT:70% vs Sx:37%)
