患者男性,27岁.左眼疼痛、视物模糊半月.入院查:瞳孔大,眼球震颤.超声显示:双眼轴正常,左眼视网膜外侧部分显示形态不规则的中等回声肿物,大小为1.9×1.6cm,回声不均质,可见散在的强回声光斑.肿物由视网膜凸向玻璃体腔,眼球运动时未见后运动、在眼未见异常.B超诊断:左眼视网膜实性占位,考虑为视网膜母细胞瘤(Rb). Patients were male, age 27. Left eye pain, blurred vision half a month .Investigation of the hospital: the pupil, nystagmus .Ultrasound: the normal axis of the eyes, the left part of the outer retinal part showed irregular echogenic mass, the size of 1.9 × 1.6cm, the echo is not homogeneous, visible scattered echo of the echogenic mass tumor protruding from the retina to the vitreous cavity, no movement after eye movement, no abnormalities in the eye.B ultrasound diagnosis: the left eye retinal solid occupy, Considered as retinoblastoma (Rb).