【名词&注释】
辐射损伤(radiation damage)、脑梗死(cerebral infarction)、颅内出血(intracranial hemorrhage)、辐射源(radiation source)、脑萎缩(brain atrophy)、脑血管(cerebrovascular)
[单选题]垂体最佳扫描层厚是
A. 1~2mm B. 3~4mm C. 5~6mm D. 7~8mm E. 9~10mm