[Roentgenologic findings in chronic bronchopulmonary diseases in children]

X-ray findings in chronic bronchopulmonary diseases in children are presented on the basis of observations made during the last 20 years. Six groups of diseases can be differentiated according to signs and clinical course: Pneumonias with delayed healing, chronic relapsing infiltrations, mucoviscidosis, chronic pleuropneumonia with abscess formation, chronic interstitial processes and chronic infiltrations with bronchiectasis. The typical phenomena and possibilities of differential diagnosis are discussed.