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- W4229695567 abstract "THE thoracic surgeon, like any other physician who carries on a special type of medical practice, finds that he must have the constant co-operation and support of men occupied with other fields in medicine. The roentgenologist is one upon whom the thoracic surgeon must make frequent demands. The help obtained is more satisfactory if the contact is close and the exchange of ideas is free. Many difficult questions can in this way be solved that would otherwise be forced to await future development for their solution. Because of our constant association with roentgenologists it is felt that it might be of advantage to record some of our experiences. We will try to point out some of the conditions we have encountered which have proven of value to us in arriving at our conclusion as early as possible. Definition By lung abscess, we mean a destructive process in the lung tissue originating within the lung itself as a result of an invasion of the lung by pyogenic micro-organisms. All suppurative processes of the pleural cavity, such as empyema, whether general or local, and all tuberculous cavities are excluded. Etiology The one etiologic factor common to all lung abscesses is the propagation of pyogenic micro-organisms and their introduction into the lung substance. Any pus-forming micro-organisms, then, may be the etiologic or causative factor. All produce radiological evidence of much the same character. We have noted that lung abscesses produced by certain micro-organisms present some features in a more striking manner than others; for instance, abscesses caused by fuso-spirochetal organisms of Vincent are prone to spread rapidly without regard to fascial planes or lobar boundaries (Case I) and are associated with a foul odor, while abscesses caused by B. Friedländer may spread less rapidly—they seem to excavate the lung. While all lung abscesses present radiological evidence of much the same character, there is, however, such a wide range of findings at different stages in the development of lung abscesses that it is not surprising that difficulty is at times encountered in the diagnosis of such processes. A considerable proportion of the lung abscesses encountered is found to follow some known condition. In certain types of abscesses, i.e., post-tonsillectomic, it is possible to definitely establish the date of the onset. Should one follow such a complication through all of its phases one would be able to obtain certain evidence of value. Roentgen Evidence At the onset of a lung abscess, the formation of which is due to aspiration, infection, and blockage of secretion, the first roentgenographic evidence of abscess-formation is the appearance of an area of increased density in the region of the bronchial obstruction. This area of increased density is confined at first to that portion of the lung immediately adjacent to the obstruction and along the bronchial tree distal to the obstruction." @default.
- W4229695567 created "2022-05-11" @default.
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- W4229695567 date "1932-01-01" @default.
- W4229695567 modified "2023-09-26" @default.
- W4229695567 title "Lung Abscess" @default.
- W4229695567 doi "https://doi.org/10.1148/18.1.1" @default.
- W4229695567 hasPublicationYear "1932" @default.
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