Review Article

Fundamentals of Breast Implant Illness and Device Imaging

Figure 4

(a–c). Late contrast enhancement mass and a black-drop sign in a patient with polyurethane implant for 7 years. In the dynamic postcontrast T1-weighted sequence, the formation of an intracapsular mass (blue arrow) associated with a focus of marked low signal (black-drop sign) indicated by the blue circle. Macroscopy (b) shows intact implant with neovascularization in the implant surface (orange arrow). Microscopy of the implant surface (c) shows degradation of the surface, with fat inside the implant (blue triangle) and color change of the cohesive gel.
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