Unusual Keloid Formation at the Mammostat Location Following Breast Reduction

We report the case of a patient who developed keloid scarring associated with Mammostat-induced skin trauma during reduction mammoplasty. A 32-year-old patient consulted for breast hypertrophy and developed from the fourth postoperative month significant keloid scars on skin shears caused by dermal stretching techniques used during de-epithelialization. The Mammostat-related scars were keloid, while those found on old skin incisions were only enlarged and slightly hypertrophic. We followed up this patient for 7 years. During this time, she received the following local treatments: scar kneading, silicone dressings, intralesional injections of corticosteroids, and potent dermocorticosteroids. After balancing the benefit/risk ratio of a possible revision surgery for resection and plasty of her keloid scars, we opted for therapeutic abstention. In patients at high risk of keloids, we recommend a soft de-epithelialization causing no skin shear, performed by manual tensioning of the dermis.