CT发现右侧肱骨骨干髓腔内密度增高，骨皮质破坏，外侧可见软组织肿块，肿块内有肿瘤骨，最可能的诊断是() ["A．软骨肉瘤","B．骨旁骨肉瘤","C．骨肉瘤","D．尤文肉瘤","E．恶性巨细胞瘤"]
慢性胸髓横贯性损害引起() ["A．四肢瘫","B．双下肢弛缓性瘫","C．双下肢痉挛性瘫","D．偏瘫","E．一侧下肢痉挛性瘫"]
哪项不是脊柱动脉瘤样骨囊肿的CT表现() ["A．多为囊性、膨胀性改变","B．可见囊肿骨壳","C．病变内部可见分隔改变","D．附件常受累","E．骨外可见软组织肿块"]
女性生殖器官淋巴有几组?
易出现骨转移的盆腔内肿瘤是() ["A．卵巢癌","B．子宫癌","C．膀胱癌","D．前列腺癌","E．精囊癌"]
简述女性型骨盆的特点。
