Which rupture type occurs when the implant shell breaks and contents leak outside the capsule?

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Rupture types are defined by where the leaked silicone goes relative to the fibrous capsule surrounding the implant. When the implant shell itself breaks and the silicone escapes beyond that capsule into the surrounding breast tissue, the leak is outside the capsule—this is extracapsular rupture. In extracapsular rupture, you can have silicone outside the implant capsule, which may show up as silicone in the breast tissue on imaging and can provoke a reaction in the surrounding tissues. This contrasts with intracapsular rupture, where the shell is breached but the silicone remains enclosed within the capsule, often leaving different imaging signs such as the linguine sign on MRI. The key distinction here is that the contents have breached the capsule and are migrating into the surrounding tissue, which defines extracapsular rupture.