A 48-year-old woman with uterine intravenous leiomyomatosis and intracardiac extension.
Technique: Ultrasound performed on GE LOGIC E9 with a 4C-RS transducer at a frequency of 4.0 MHz.
Findings: A) The color-Doppler-ultrasound (CDUS) examination showed a mass in the lower abdomen. B, C) the mass was characterized by intralesional vascularization and a tubular lesion inside the inferior vena cava (IVC), with a triphasic CDUS waveform (see the thin white arrow). CTA is mandatory for further evaluation.