有关淋巴瘤,错误的是() ["恶性淋巴瘤常侵犯胸部; ","非何奇金淋巴瘤侵犯纵隔者较少; ","淋巴瘤的淋巴结肿大为特征性MR征象; ","淋巴瘤可累及肺、心包; ","淋巴瘤的淋巴结肿大内可见出血性坏死。"]
有关胸腔内生殖细胞瘤,错误的是() ["多起源于胸腺; ","多见于20~40岁; ","多位于中纵隔; ","可见囊性信号; ","可见有脂肪信号。"]
成人颈椎侧位平片环齿之距离为() ["1mm~1.5mm ","2.5mm~4mm ","5mm~6mm ","6mm以上 ","以上均不是"]
应与髓内血管畸形鉴别的主要疾病是() ["神经鞘瘤; ","骨髓血管母细胞瘤; ","骨髓转移瘤; ","骨髓星形细胞瘤; ","骨髓炎。"]
锥体骨折在急性期发生水肿,MR图像上是() ["T1加权像低信号,T2加权像高信号; ","T1加权像低信号,T2加权像低信号; ","T1加权像高信号,T2加权像高信号; ","T1加权像等信号,T2加权像等信号; ","T1加权像等信号,T2加权像低信号。"]
人车分为()和(),斜巷人车必须安装防坠装置装置。