Fluid collection surrounding breast implants, called seroma, is a frequent issue that has diverse etiologies. We describe a 48-year-old woman with an acute onset of bilateral breast swelling occurring 5 years after aesthetic surgery and 10 days after a second SARS-CoV-2 mRNA vaccine dose. At breast ultrasound, we found an abundant bilateral peri-implant seroma. Our patient noticed symptom improvement 48 h after nonsteroidal anti-inflammatory drug treatment, complete disappearance of symptoms after 10 days with seroma disappearance documented by ultrasound. We hypothesized a breast implant seroma as post-SARS-CoV-2 mRNA vaccine side effect, as different other diagnosis had been excluded.
Keywords: COVID; breast implants; seroma; ultrasound; vaccine.
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