МОРФОЛОГИЧЕСКИЕ ОСОБЕННОСТИ РЕЦИДИВИРУЮЩЕГО ПТЕРИГИУМА

Relevance. Although features of the histostructure of the primary pterygium have been studied repeatedly, there is very little data on the morphology of recurrent form. Purpose of the study. To study the morphological and histological features of conjunctival tissue in case of recurrent pterigium. Materials and methods. Morphological studies were performed in 12 patients (12 eyes) with recurrent pterygium. Histological sections were stained with hematoxylin and eosin, collagen fibers were detected by method of Van Gieson, and immunomorphological studies were performed to detect alkaline phosphatase in lymphoid and macrophage cells. Results. It was determined that the structural feature of recurrent pterygium is the predominance of proliferative inflammatory-compensatory process from both the vascular and connective tissue bases of the conjunctiva of the eye. Conclusion. In recurrent pterygium, the stromal-vascular components of the conjunctiva proliferate to a much greater extent than the cells of the epithelial cover.

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