Некоторые морфологические особенности полипозных и полипозно-кистозных изменений слизистой оболочки носа и околоносовых пазух

Frequent recurrency and the conversion of the disease into a chronic form make it necessary to study pathogenetic peculiarities of diseases of nose and paranasal sinuses. During chronic inflammation the developing changes of mucous stroma inevitably lead to pathological changes of epithelium. It was found out that at histological study of the removed cysts of maxillary sinuses there was the polypous enlargement in their wall. This lets us identify them as combined cystous-polypous formations.