“…Prior to the widespread use of breast implants, various synthetic materials consisting of petroleum jelly, paraffin, or injectable silicone gel(Figures 4a, 4dto 4f) were commonly used, particularly in Asian countries in the 1950s. Since the 1990s, injectable hydrogel such as polyacrylamide has also been used 8. These injected foreign materials can also result in complications such as migration, infection (Figure 5), inflammation, discolouration, and the formation of granulomas,…”