Breast cancer imaging-clinical experience with two-dimensional-shear wave elastography: A retrospective study

Figure 1 Two-dimensional-shear wave elastography. A: A solid malignant lesion in the upper medial quadrant of the right mammary gland is presented. The finding has an irregular (ovoid) shape and is oriented antiparallel to the glandular parenchyma. The lesion has been scored Breast Imaging Reporting and Data System 5 tumor. Elastography demonstrated increased peripheral stiffness. After biopsy, the finding proved to be invasive ductal carcinoma; B: Formation with irregular form was found, which is inhomogeneous and is orientated antiparallel to the parenchyma. The lesion is bigger in height than in width. Elastography showed non-uniform areas of increased density. The finding was determined as Breast Imaging Reporting and Data System category 5 and was confirmed as malignant by a fine-needle biopsy; C: Solid formation with irregular form is found, which is antiparallel to the parenchyma. On elastographic evaluation, we see a peripherally increased eggshell-like density. This type of increased peripheral density is due to desmoplasia. The tumor is staged Breast Imaging Reporting and Data System 5; D: Formation, previously described as a cyst on mammography is found on this examination. The tumor is solid and has no characteristics of cystic lesion. Elastographically, non-uniform density zones in the find are also distinguished. The find is scored as Breast Imaging Reporting and Data System 4C, fine needle biopsy confirmed ductal invasive carcinoma.

Figure 2 Mammography in mediolateral oblique and craniocaudal view. A: Ridge-like lesion in the upper lateral quadrant is shown, which is classified as Breast Imaging Reporting and Data System 5; B: In the right mammary gland in the upper lateral quadrant, a dense, spiculated lesion is visualized. The lesion has very high suspicion of malignant tumor and is classified as Breast Imaging Reporting and Data System 5; C: In the right mammary gland, a thickened area is palpated in the upper lateral quadrant (the most common location of breast carcinoma). Mammographically, the gland is presented with a dense structure and has low informativeness. However, an area of further increased density is seen in the palpably thickened area; D: In the right mammary gland, in the lower medial quadrant, a rounded strong shadow with almost smooth outlines is visualized. Ventrally, the cyst-like finding has an uneven contour. This uneven contour necessitates sonographic refinement of the lesion. RCC: Right craniocaudal; RML: Right mediolateral.