case_images: PMC11363885_01
case_images: a. Right mammogram (mediolateral oblique view): partially visible oval, well-circumscribed deep mass. b. Ultrasonography of the right breast: deep, well-circumscribed hyperechogenic mass with typical "snowstorm."
case_images: jbsr-108-1-3691-g1.jpg
case_images: PMC11363885_01_jbsr-108-1-3691-g1.jpg
case_images: F1
case_images: A clinical exam with a recent mammography, with a mediolateral oblique view of the right breast, showed an oval, well-circumscribed mass measuring 3 cm in diameter in the upper outer quadrant, which was partially visible due to its location (Figure 1). Ultrasound of the right breast showed a deep oval hyperechoic mass with a "snowstorm" appearance (Figure 1).
case_images: a. MRI T1-weighted Dixon water image. b. T2-weighted image. Deep right upper mammary lesion, at least partially intra-pectoral, oblong in shape, with irregular margin.
case_images: jbsr-108-1-3691-g2.jpg
case_images: PMC11363885_01_jbsr-108-1-3691-g2.jpg
case_images: F2
case_images: The periphery of the lesion had a T2 isosignal and a T1 dixon water iso/slightly hyposignal, whereas the central region showed a T2 hyposignal and a T1 dixon water moderate hypersignal (Figure 2).
case_images: Intraoperative finding after exploration.
case_images: jbsr-108-1-3691-g3.jpg
case_images: PMC11363885_01_jbsr-108-1-3691-g3.jpg
case_images: F3
case_images: A lump lesion of 51 g was removed, with superficial resection of the pectoral muscle (Figure 3).
case_images: HEx100: Typical multiple silicone vacuoles with macrophages and numerous multinucleate giant cells within the breast lobules and stroma.
case_images: jbsr-108-1-3691-g4.jpg
case_images: PMC11363885_01_jbsr-108-1-3691-g4.jpg
case_images: F4
case_images: Pathology was highly suggestive of siliconoma (Figure 4).