Fig. 4From: Comparing endoscopic ultrasonography and double contrast-enhanced ultrasonography in the preoperative diagnosis of gastric stromal tumorA 60-year-old woman with a GST. (A) SOCEUS exhibited a large, ovoid, hypoechoic, and heterogeneous tumor (calipers) in the gastric fundus, cyst formation could be detected in the mass. (B) DCEUS showed that the tumor demonstrated heterogeneous enhancementBack to article page