患者,男,年龄9个月。因体检时超声发现左肾上腺区肿块,于2008年9月收入院。体检:一般情况正常,尿3-甲基-4-羟基苦杏仁酸(VMA)正常,胸片未见异常。超声检查示左肾上腺实质性肿块,大小37 mm×34 mm,边界清楚,形态规整,内部回声欠均匀,肝、胆、胰、肾未见异常。CT检查示左肾上腺区可见36 mm×37 mm大小软组织密 Patient, male, age 9 months. Due to physical examination when the left adrenal area ultrasound found in September 2008 income hospital. Physical examination: normal conditions, normal urinary 3-methyl-4-hydroxymandelic acid (VMA), no abnormal chest X-ray. Ultrasonography showed a substantial mass of the left adrenal gland with a size of 37 mm × 34 mm. The boundary was clear, the shape was regular, the internal echo was not uniform, and no abnormalities were found in liver, gallbladder, pancreas and kidney. CT examination showed that the left adrenal area 36 mm × 37 mm size soft tissue dense