| Japanese Journal of Clinical Oncology | Pages |
Editorial
How to manage metastatic brain tumors
Soichiro Shibui, Neurosurgery Division, National Cancer Center Hospital, Tokyo, Japan
The frequency of metastatic brain tumors is increasing. Non-invasive examination
such as computed tomography and magnetic resonance imaging makes it possible
to detect brain metastases even in seriously ill patients. Moreover, the number
of long survivors are increasing by the development of effective anti-cancer
treatments for primary cancers and 20-40% of cancer patients are reported to
have brain metastases at autopsy. Prognosis of patients with brain metastases
has been very poor and radiotherapy to the whole brain has been a main and
unique treatment until recently. Since 1990 several randomized studies have
revealed the importance of surgical removal of brain metastases. Patchel et
al. compared the survival time after treatment and the recurrence rate