Fig. 4

Photon-counting computed tomography images with monoenergetic reconstructions (a axial; d sagittal) and material decomposition reconstructions (axial iodine map [b] and virtual unenhanced [c]) as well as magnetic resonance imaging silicone-sensitive sequences (e sagittal; f axial) of a breast implant on the left side with intracapsular rupture. Peri-implant silicone collections (short thick arrowhead in a, b, c, f), keyhole sign (long thin arrowheads in d and e), and small intraimplant fluid collections (arrow in a, b, and f) can be detected on both modalities