Fig. 5From: Comparison of 99mTc-MIBI scintigraphy, ultrasound, and mammography for the diagnosis of BI-RADS 4 category lesionsBreast images from a woman. (①②) No mammographic evidence of dense breast abnormalities; (③)An ill-defined hypoechoic nodule was detected via ultrasound in the left breast, 0.6 cm*0.5 cm, BI-RADS 4B; (④⑤) BSGI revealed a focal region of increased radiotracer uptake in the left breast, TNR = 3.21; Pathology confirmed the presence of a 7 mm invasive ductal carcinomaBack to article page