High resolution ultrasonography based management of acute scrotum is reliable and reproducible. Thanks to its high sensitivity and specificity for the diagnosis of spermatic cord torsion, high resolution ultrasonography can significantly improve the management of acute scrotum in children.

The finding of a twisted spermatic cord is a highly reliable sign for the diagnosis of testicular torsion. Whereas normal intratesticular perfusion does not dispense with emergency exploratory surgery, direct and complete visualization of a nontwisted spermatic cord strongly indicates that surgery is unnecessary. Strict conditions are required, including time spent on HRUS should not exceed 30 minutes, which generally can only be achieved by a senior pediatric radiologist.

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