[Radiological appearance of the paranasal sinuses in allergic rhinitis. Apropos of 255 cases. Comparison between patients from urban and rural environments].

The AA. consider the X-ray findings verified in 3 groups of subjects: with Hayfiber, with perennial rhinitis and the last one being a control group. The whole figure comprise as well urban or rural inhabitants. The conclusion drawn out is that more 50 per cent of allergic sufferers show radiologic evidences, especially the urban people, probably on account of the cities pollution.