高阶磁共振功能成像评估骨与软组织肿瘤价值初探

张钲佳, 李小敏, 周鑫, 马海荣, 艾松涛

Preliminary study on the value of high-order functional magnetic resonance imaging in the evaluation of bone and soft tissue tumors

ZHANG Zhengjia, LI Xiaomin, ZHOU Xin, MA Hairong, AI Songtao

表1 MRI扫描参数

Tab 1 MRI scanning parameters

Parameter T1WI T2WI T2-SPAIR DWI DCE APTw Sequence TSE TSE TSE EPI TSE TSE Plane Axial Axial Coronal Axial Axial Axial Fat saturation NO NO SPAIR SPAIR NO SPIR Time to repeat/ms 672 3 000 3 200 3 048 638 7 300 Time to echo/ms 13 75 60 56 15 8.3 Thickness/mm 4 4 4 5 4 6 FOV/mm 250×400 300×379 280×350 300×450 300×379 230×180 Matrix 312×418 352×375 352×368 152×197 352×402 128×100 Slice gap/mm 0.4 0.4 0.4 0.5 0.4 0 NSA 1 1 1 1 1 1 b value/(s·mm -2) ‒ ‒ ‒ 0, 1 000 ‒ ‒ Scan time 2 min 5 s 2 min 30 s 2 min 14 s 1 min 41 s 2 min 32 s 3 min 37 s