interventions : in addition to clinical evaluation, a standard ultrasonographic examination of the scrotum was performed using a linear array transducer operating at a frequency of 8.0 mhz ( acuson sequoia 512 ) 此外:作為附加的臨床評估需要,一個標準的超聲波記錄將測試小弟弟,用8m赫茲的頻率通過傳感器測試。