单选题关于视网膜母细胞瘤,以下描述错误的是( )。A 3岁以下儿童多见B 白瞳症C 病变眼球变小D 眼球内肿块伴钙化E 增强后软组织成分强化较显著...
Sunday, May 12, 2024
Friday, September 16, 2022
双肺多发结节影,边缘有针刺状突起,增强可见供养血管进入灶内,伴有肺梗死,考虑( )。...
Thursday, September 22, 2022
Friday, September 16, 2022
下列哪项不是稳态梯度回波脉冲序列(FISP)所具有的?( )...
Thursday, September 22, 2022
下列哪项不是中枢神经系统Gd-DTPA增强扫描解决的主要问题?( )...
Thursday, September 22, 2022
Sunday, September 18, 2022
Thursday, September 22, 2022
Saturday, September 17, 2022
单选题硬膜外淋巴瘤的MRI表现,包括( )。A 硬膜外软组织肿块影B T1WI低信号,增强后显著强化C T2WI高信号或稍高信号D 绕硬脊膜囊生长,常侵及神经根E 以上都是...
Saturday, January 21, 2023
Thursday, September 15, 2022
Thursday, September 22, 2022
肺空洞性病变形态不规则,壁较厚且环状强化明显,周围纤维条索影。首先考虑( )。...
Thursday, September 22, 2022
单选题与MRI质量控制无关的参数是( )。A 对比度B 调谐时间C 空间分辨力D 对比噪声比E 信号噪声比...
Wednesday, May 1, 2024
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022