Among childhood illnesses requiring surgery, inguinal hernia is the most common entity. Pediatric inguinal hernia has been traditionally operated through a small incision in the inguinal region. Contralateral metachronous inguinal hernia has been the topic of discussion in pediatric surgeon’s domain for a long time. | Reliability of preoperative inguinal sonography for evaluating patency of processus vaginalis in pediatric inguinal hernia patients