Sonographic assessment of a suspected biloma: A case report and review of the literature

Figure 1 Chronic biloma in a 72-year-old woman: ultrasound findings. A: Oblique view shows a heterogeneous hypo-anechoic rounded lesion with hyperechoic, calcified walls (arrows), numerous hyperechoic debris generating acustic shadow (arrow heads) and maximum size of 3.89 cm (caliper 1) × 3.42 cm (caliper 2); B: Color Doppler sonogram shows absence of vascularity inside the lesion (arrows). pv: Portal vein; ivc: Inferior vena cava.