下列有关“骨血管瘤”的描述,哪项不正确()
A.青少年发病
B.常有外伤史
C.大量骨质溶解与骨质硬化
D.关节可阻止病变蔓延
E.骨畸形,多数患者临床症状轻微
参考答案:D
Is she okay?[ ]
A. She is six.
B. She is a girl.
C. No, she cuts her finger.
颅内血管网织细胞瘤为()。
A.先天性肿瘤
B.神经上皮性肿瘤
C.真性血管性肿瘤
D.假性血管性肿瘤
E.未分类的肿瘤