Silicon gel sheeting can be used to treat and prevent hypertrophic and keloid scars and is used on healing skin.
硅凝胶薄膜可用于治疗和预防瘢痕疙瘩和增生性疤痕，是用来对愈合的皮肤。
METHODS: Keloid and norm al skin tissue were collected for the fibroblasts in vitro using tissue-block cultivation.
方法：取瘢痕疙瘩和正常皮肤，采用组织块培养法进行成纤维细胞体外培养。
The results showed that more oxygen free radicals were identified in keloid, less in normal connective tissue while no free radicals were found in skin.
结果发现瘢痕疙瘩和结缔组织样品中有氧自由基存在，而正常皮肤组织内则未能检测到。
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