Figure 1: a 32-year-old woman presented with RT breast mass, MRI showed false positive diagnosis of cancer. Dynamic contrast enhanced MRI, axial subtraction.

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Presentation transcript:

Figure 1: a 32-year-old woman presented with RT breast mass, MRI showed false positive diagnosis of cancer. Dynamic contrast enhanced MRI, axial subtraction images at two levels in the RT breast showed a large regional non-mass like pattern of enhancement as well as few small enhancing masses with irregular ill-defined borders. US guided biopsy revealed granulomatous inflammatory lesions.

Figure 2: A 56-year-old woman with invasive lobular carcinoma in the LT breast. Axial dynamic contrast enhanced MRI, subtraction images. (a) At the level of the nipple. There is a single enhancing mass lesion with a spiculated irregular margin and heterogeneous internal signal. (b) At the level of axillae showing no evidence of enlarged axillary lymph nodes. The patient needs sentinel lymph node biopsy prior to surgery.

Figure 3: A 60-year-old woman with RT breast mass Figure 3: A 60-year-old woman with RT breast mass. (a) Spot compression mammogram; cranio-caudal (CC) view showing architectural distortion with no definite mass. (b) Axial dynamic contrast enhanced MRI, subtraction image revealed spiculated enhancing mass which proved to be an invasive ductal carcinoma (straight arrow). FNAC from the enlarged axillary lymph nodes (curved arrow) showed metastasis. Patient was spared from sentinel lymph nodes biopsy and underwent mastectomy with axillary dissection.

Figure 4: A 38-year-old woman with a locally advanced tumor in the LT breast which was proved to be an invasive ductal carcinoma. Dynamic contrast enhanced MRI, subtraction axial image showed the large enhancing irregular shape mass in the LT breast extending posteriorly to invade the pectoralis muscle. RT breast showed mild diffuse normal parenchymal background enhancement

Figure 5: A 37-year-old woman with multi-focal disease in the RT breast (arrows). Dynamic contrast enhanced axial MRI images. (a and b) before chemotherapy. Showing multiple enhancing lesions in the upper quadrants, one of them was deeply seated near the chest wall with no evidence of invasion. (c and d) same regions of the breast after full coarse of chemotherapy showing resolution of the lesions indicating complete response

Figure 6: A 29-year-old woman with multifocal invasive ductal carcinoma and DCIS in the LT breast. Dynamic contrast enhanced MRI, axial subtraction images. (a and b) before treatment showing the irregular shaped enhancing multifocal masses. (c and d) after full coarse of chemotherapy showed almost complete resolution of the masses

Figure7: A 46-year-old woman had a history of RT breast lumpectomy 10 years back with benign histology. (a) Screening mammography showed architectural distortion or stellate lesion (arrow) that was shown on CC view only without an US correlate. MRI was done for further characterization of this lesion. Axial T1-weighted (b) and T2-weighted fat saturation (c) images demonstrated small RT breast lesion with radiating spicules (arrows). Absence of enhancement on dynamic contrast enhanced subtraction images (d) practically ruled out malignancy and diagnosis of a scar was made.

Figure8: A 54-year-old woman with screening mammogram showed interval development of focal asymmetry (arrow) in the LT breast which was seen in CC view only and had no US correlate. Dynamic contrast enhanced MRI was done for further evaluation of this equivocal finding; axial subtraction images (b-d) showed no abnormality which obviated the need for stereotactic biopsy