Twenty Years of Experience with the Preoperative Diagnosis of Medullary Cancer in a Moderately Iodine-Deficient Region
Figure 1
Ultrasonography of medullary cancer. (a)–(c) medullary cancer, (d)-(e) papillary cancer, (f) oxyphilic adenoma. Compare the large irregular patchy hyperechogenic foci in images (a)–(d) with the few brightSmall spots of microcalcifications < than 1 mm in maximal diameter in image (e). In contrast to macrocalcifications (image (d) and (f)), they do not indicate dorsal acoustic shadow according to the entire extent of the hyperechogenic focus.
