Free silicone breast injections

Dr Henry Knipe et al.

Free silicone breast injections (silicone mastopathy) are an alternative form of breast augmentation to breast implants, although they have serious adverse effects and are banned in many countries. 

There are similar features to that of free silicone from breast implant rupture, although there will be no implant or fibrous capsule.

Mammography
  • extremely dense lobulated masses +/- rim calcification
  • extremely dense lymph nodes may be present
Ultrasound
  • "snowstorm appearance" of echogenic foci with posterior shadowing obscuring the posterior breast 3
MRI

Signal characteristics of silicone:

  • T1 FS: low signal
  • T2 water suppressed: high signal 

Free silicone injections were the precursor to breast prosthesis implantation and was banned in the United States in the 1990s 1,2. However, it is still performed in developing countries in South America and Asia. 


Breast imaging and pathology
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Article Information

rID: 38051
System: Breast
Section: Gamuts
Synonyms or Alternate Spellings:
  • Silicone mastopathy

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