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患儿男,3岁。因左侧阴囊内无痛性肿块一年余,3个月来逐渐增大入院。查体:左侧阴囊下垂,可触及一大小为3×4cm质硬肿块,表面皮肤无红肿,左侧腹股沟区未扪及肿大淋巴结。超声检查:左侧睾丸明显肿大,大小约4×3.2×3.0cm,边界较规则,内部回声不均匀,可见多个大小不等的实质性回声区,最大约1.5×1.0cm,内尚见少许不规则的小片状液性暗区,彩色多普勒显示:肿块周边见星点状血流信号,睾丸内血流信号较丰富。后腹膜、肾门及腹股沟区探查未见肿大淋巴结回声。超声诊断:左侧睾丸实质性占位性病变(考虑内胚窦
The boy is 3 years old. Due to the painless mass in the left scrotum for more than one year, she gradually admitted to hospital within three months. Physical examination: The left side of the scrotal sagging, palpable a size of 3 × 4cm hard mass, the surface of the skin without swelling, left inguinal hernia and enlarged lymph nodes. Ultrasound examination: The left testicle was swollen with a size of about 4 x 3.2 x 3.0 cm. The boundary was relatively regular. The internal echo was uneven. A number of substantive echo areas of different sizes were seen. The maximum was about 1.5 x 1.0 cm. A small, irregular patch of liquid dark area, color Doppler display: blood flow signal seen around the tumor, the testicular blood flow signal is rich. Posterior peritoneum, hilar and inguinal area exploration did not show enlarged lymph node echoes. Ultrasound Diagnosis: Substantial Occupying Lesions of the Left Testis (Considering the Endoderm