There was widening and lengthening of the bursae and they extended from 3cm above the carpal transverse ligament to the middle and distal portion of metacarpus,however,the synovial bursa of carpiradialis was normal.

• 增宽延长的滑液囊自腕横韧带上 3cm至掌骨远段止 ,而桡侧滑液囊正常 ,MPR显示尤为清楚。