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Ruptured Implant and Silicone in Lymph Node
Silicone that migrates to a lymph node is a known finding with ruptured implants, especially older ones. The gel can travel through lymphatic channels and sit in axillary nodes, causing them to feel firm or enlarged. Studies to date have not shown this causes systemic disease, but silicone in tissue does provoke local inflammation, which over time can lead to scarring, granulomas (siliconomas), or chronic node changes. Current guidance is to remove or exchange a confirmed ruptured implant rather than leave it in place, and an experienced surgeon can often remove much of the migrated silicone from the node region as well, though not always completely. Any new or enlarging lump in the breast or armpit should still be evaluated to rule out malignancy rather than assumed to be silicone-related. For screening, ultrasound or MRI is used to detect silicone rupture starting around five to six years after implant placement, then periodically after that. See a board-certified plastic surgeon for exam and imaging to plan next steps.
Clinical Context
Firm lymph nodes can have several causes, and imaging helps sort them out. A node containing silicone often looks different on ultrasound or MRI than one that's simply reactive or infected, which usually improves with treatment. Calcifications seen on mammogram near an implant are not the same as silicone within a node; additional imaging is often needed to tell the difference. Older silicone injections, once used for augmentation, tend to spread through tissue broadly rather than form a single lump. Your surgeon can review your imaging and history together to clarify what's happening.
