Fibrotic reaction to hyaluronic acid fillers in the face
Ioannis Peros,
Eckart Haneke
Abstract:BackgroundHyaluronic acids (HAs) can have very different actions not only depending on injector and host factors but also depending on their molecular weight. Whereas short chain HA has immunological activity long chain HA influences fibroblasts and may stimulate them to produce collagen. Although this is generally thought to be a positive feature it may be disadvantageous in certain localizations.Patients and MethodsWe have encountered 23 patients who developed fibrous tissue next to the nasolabial folds acce… Show more
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