Endoscopic ultrasound-guided lauromacrogol injection for treatment of colorectal cavernous hemangioma: Two case reports

Figure 3 Endoscopic ultrasonography findings. A: Multiple bluish-purple nodules limited to proximal sigmoid; B: Nonechoic vascular signal in the submucosa of the anterior wall of the sigmoid, and a minute septum-like structure was visible, with high echo spots in the partitions; C: Doppler ultrasound detected small internal strips of blood flow; D: SonoVue imaging showed small internal enhancement in the anechoic areas.