PMC4861847_01
Ultrasound image shows gallbladder with comet-tail reveration artifact (arrow), pathognomic for adenomyomatosis of the gallbladder.
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PMC4861847_01_gr1.jpg
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Additional findings included interrupted IVC with azygous continuation to the right SVC and bilateral vena cava; these were confirmed by neonatal echocardiography. A routine abdominal ultrasound demonstrated a speckled appearance of the gallbladder with numerous echogenic foci that caused the classic "ring down artifact" (Fig. 1).