Abstract
Abstract Case report A case of a 43-year-old woman presenting with acute left flank pain is reported. Method and result Point-of-care ultrasound utilizing color Doppler revealed a twinkling artifact at the left ureterovesicular junction, consistent with a ureterovesicular stone. The sonographic findings and significance of the twinkling artifact are described.
Highlights
Case report A case of a 43-year-old woman presenting with acute left flank pain is reported
A focused bedside ultrasound was performed by the emergency physician using a 5–2 MHz curvilinear array transducer (Model HD11XE, Philips, Andover, MA), which revealed mild left hydronephrosis (Fig. 1)
The addition of color Doppler to gray-scale imaging may confirm the presence of a stone by revealing the twinkling artifact, which has been found to be more sensitive than shadowing in detecting stones [2, 3]
Summary
Abstract Case report A case of a 43-year-old woman presenting with acute left flank pain is reported. Method and result Point-of-care ultrasound utilizing color Doppler revealed a twinkling artifact at the left ureterovesicular junction, consistent with a ureterovesicular stone. Keywords Ultrasound Á Point-of-care Á Emergency Á Urolithiasis Á Color Doppler
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