患儿男，1岁，发育良好。以右侧睾丸肿大原因待查行B超检查。B超所见：右侧阴囊内未见正常睾丸声像图，其内可见大小约为3．3cm×2．8cm实质性抑块，形态规则，边界清晰，内部回声强弱不均匀，以偏强回声为主。脉冲乡普勒检杏．肿块内部及周边行丰富细小血流信号。B超诊断：右 Children male, 1 year old, well-developed. The right side of the testicular swelling to be checked B ultrasound. B seen: the right side of the scrotum no normal testis sonogram, which can be seen within the size of about 3.3cm × 2.8cm substantial suppression block, the rules of morphology, the boundary is clear, the internal echo strength is not uniform, to partial Strong echo-based. Pulp Township Prussian apricot. Lump inside and around the line rich in small blood flow signal. B-ultrasound: right