Fig. 1From: Point-of-care ultrasound for evaluating intra-abdominal calcification in the pediatric emergency department: case series and review of literatureAppendicolith: Ultrasound abdomen of the right lower quadrant showing an appendicolith (long thin arrows), which is the echogenic area within the appendix lumen (distal appendix) (star). There is a posterior acoustic shadowing seen behind the echogenic foci (thick arrow). The largest appendix diameter measured was 16Â mmBack to article page