患儿男,3岁。因左阴囊腹股沟包块6d,疼痛渐重3d就诊。外院曾诊断“左斜疝”,外科门诊以急性睾丸炎收住院。血WBC:14.5×109/L。超声所见:阴囊壁水肿增厚,约7mm,左侧睾丸形态不规整,失去常态,大小约28mm×16mm,内部为中低不均质回声。其下方为无回声伴多个分隔(图1)。睾丸边缘见 Children male, 3 years old. Due to the left scrotum inguinal mass 6d, progressive pain for 3 days treatment. Outside the hospital had a diagnosis of “left oblique hernia”, surgical clinic with acute orchitis admitted to hospital. Blood WBC: 14.5 × 109 / L. Ultrasound: Scrotal wall edema thickening, about 7mm, left testicular irregular shape, loss of normal size of about 28mm × 16mm, internal for the low-end heterogeneous echo. Below it is echoless with multiple partitions (Figure 1). See the edge of the testicle