作者回顾性分析了发生于头颈部横纹肌肉瘤的CT和MRI表现,发现部分病例在增强扫描上出现特征性征象:葡萄串征。9例中,男5例,女4例,年龄6～53岁(5例<15岁)。病理组织学分为胚胎型(5例),腺泡型(3例)和多形型(1例)。9例均行CT扫描,其中7例行增强扫描。MRI检查8例,分别行横断面及冠状位T_1WI、T_2WI及增强T_1WI。2例CT平扫显示肿瘤 The authors retrospectively analyzed CT and MRI findings of rhabdomyosarcoma in the head and neck, and found that some cases showed characteristic signs of enhanced scans: grading. Among the 9 cases, 5 were males and 4 were females, ranging in age from 6 to 53 years (5 patients <15 years old). Histopathology is divided into embryo (5 cases), acinar (3 cases) and polymorphism (1 case). Nine patients underwent CT scan, of which 7 patients underwent enhanced scan. MRI examination in 8 cases, respectively, the cross-sectional and coronal T_1WI, T_2WI and enhanced T_1WI. Two cases of CT scan showed tumor