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[Changes in the structure of postburn keloid scars before and after cryotherapy].

Biochemical and electron microscopy study of the collagen molecule from 14 biopsy specimens of the postburn scar (in 9 patients before and in 5 after cryoeffects) revealed that the postburn scar contains I, II, III and VIII collagen types changed according to the amino acid composition. It was found that after cryogenic effects on the scar there was a tendency to normalization of the collagen structure.