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. 2018 Feb 5;9(1):59–71. doi: 10.1007/s13244-017-0587-9

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© The Author(s) 2018

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 4 — Silicone granuloma. A 60-year-old woman who has had bilateral breast subglandular silicone implantation 20 years ago, with removal of the left implant following extracapsular rupture 1 year previously. a Left craniocaudal view shows high density extracapsular silicone within the breast tissue. b Ultrasound of the inferior left breast shows echogenic mass with posterior shadowing—“snowstorm” appearance of free silicone. c Axial dual-energy CT with material decomposition and green pixilation to identify silicone, shows free silicone within the left breast (red arrow) with intact right implant. d Axial silicone-sensitive MR sequence demonstrates the same findings of extracapsular free silicone (red arrow) and intact right implant. e Axial post-gadolinium breast MRI showed non-enhancing extracapsular silicone with enhancement surrounding the silicone deposits, consistent with granulomatous inflammation (red arrow). f Histological photomicrograph (magnification ×20, haematoxylin-eosin) showed “siliconomas” with granulomas containing silicone particles (blue star), foreign body–type giant cells (yellow arrow), foamy macrophages and lymphocytes (red arrow)