患者男,17岁。主因右髂腰部肿物伴疼痛2年,加重2个月入院。查体:右髂腰部可见约60 mm×50mm包块,质硬,轻压痛。彩超:右髂前上棘局部隆起处扫查可见58.1 mm×20.6 mm×47.1 mm形态不规整,由多发斑块状强回声组成,后方伴声影带的肿物,强回声前缘可见数个隆起样低无回声,边界清晰,形态尚规整。低无回声内可见絮状弱回声、密集细小点状弱回声沉积,因后方声影带遮盖,肿物 Patient male, 17 years old. The main reason for the right iliac lumbar mass with pain for 2 years, increased 2 months admitted to hospital. Physical examination: the right iliac waist visible about 60 mm × 50mm mass, hard, light tenderness. Color Doppler ultrasound: Right anterior superior iliac spine elevated at the local scan can be seen in 58.1 mm × 20.6 mm × 47.1 mm irregular shape, composed of multiple plaque-shaped echoes, the rear with acoustic shadow of the tumor, the echogenic front visible a few Uplift low no echo, the boundary is clear, the shape is still regular. Low echo-free visible within the weak flocculent echo, dense small punctate weak echo deposition, due to the back of the acoustic film with cover, mass