QUALITATIVE AND QUANTITATIVE EVALUATION OF COLLAGEN OF I AND III TYPES IN PATIENTS WITH DEFECTS OF MATERIAL AND LIMBS COATED TISSUES AFTER INJURY
DOI:
https://doi.org/10.11603/1681-2786.2018.3.9766Keywords:
collagen, skin, epithelial tissue defect, pathological examination, monoclonal antibodiesAbstract
Objective: to study the features of expression and accumulation of collagen type I and III in skin samples in patients with defects of the covering tissues of the trunk and limbs after injury.
Materials and methods: a complex pathomorphological study of 60 patients was performed on biopsy-surgical material of skin fragments from the para-wound area of the defect.
Results. Microscopic examination of skin samples from the parawound region of defects in all groups of patients revealed thinning of the epidermal layer with the absence of a normal wavy dermal-epidermal junction, excessive accumulation of collagen in all dermal layers in the form of parallel oriented individual and bundled fibrils in the superficial regions and unsystematic located thicker collagen bundles in the deep layers of the derma, between which were clusters of fibroblasts. In the skin samples of patients of the II and III groups of victims, statistically significant differences were found between the relative accumulation areas of collagens type I and III (T = 675, p = 0.005 and T = 697, p = 0.033, respectively). In patients of groups III and IV, when analyzing links using the Spearman's rank correlation criterion, a direct moderate relationship was observed between the deposition areas of collagens type I and III (rs = 0.52 і 0.54).
Conclusions. The study of reparative capabilities of the skin in patients with the traumatic genesis defects of the epithelial tissue is important when choosing a method of wound surface reconstruction.
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