Fig. 15From: Imaging of breast implants—a pictorial reviewDefinitive findings of breast implant rupture. a Subcapsular lines. Lines running almost parallel to the fibrous capsule and just beneath it. The beginning and the end of the line can be followed to the surface of the implant. b Siliconomas and free silicone. Disruption of the shell and fibrous capsule will allow silicone to extravasate into surrounding breast tissue. c “Linguine sign”. Folded wavy multidirectional lines within the silicone gel, representing the collapsed implant shell. d “Railroad track sign”. Two parallel lines in close proximity forming a double-contoured subcapsular line within the silicone gelBack to article page