Figure 3a. Right uterine artery pseudoaneurysm in a 20-year-old woman with infection that was proved at hysterectomy. The patient had undergone curettage on several occasions. (a) Transabdominal gray-scale US image shows an anechoic lesion in the uterus. (b) Transverse color Doppler US image shows a pseudoaneurysm that originates from the right uterine artery. Color signals within the arterial lumen represent turbulent flow.