【名词&注释】
骨巨细胞瘤(giant cell tumor of bone)、体外受精(in vitro fertilization)、初级卫生保健(primary health care)、同源人工授精(artificial insemination by husband)、异源人工授精(artificial insemination by donor)、无性生殖(asexual reproduction)
[单选题]以下哪项不是骨巨细胞瘤的CT征象:( )
A. 肿瘤呈膨胀性表现
B. 骨质有中断现象
C. 肿瘤内可见钙化
D. 肿瘤中心可见坏死、液化
E. 肿瘤边缘可见骨嵴