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Child, renal trauma. (a) Baseline ultrasonography shows a mild hyperechoic area in the middle-third of the right kidney; (b) contrast-enhanced ultrasound demonstrates a renal fracture with an associated perirenal collection (arrowheads) and evidence of hyperechoic spots within it (white arrow), corresponding to active bleeding; (c–d) axial CT scan and coronal view confirm the renal fracture, the perirenal haematoma and active bleeding (black arrow).
