Malignant peripheral nerve sheath tumor arising from benign vestibular schwannoma treated by gamma knife radiosurgery after two previous surgeries: a case report with surgical and pathological observations.
Akamatsu
Yosuke
Y
Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan.
Murakami
Kensuke
K
Watanabe
Mika
M
Jokura
Hidefumi
H
Tominaga
Teiji
T