2023 Friday Quiz 4 | Figure 1

CincyKidsRad

Cincinnati Children's Radiology

2023 Friday Quiz 4

Longitudinal ultrasound of the left kidney shows a small echogenic focus (arrow) within the renal collecting system. This is associated with mild posterior acoustic shadowing (arrowhead). What other ultrasound artifact could be used to confirm that the echogenic focus represents nephrolithiasis?

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