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1 Department of Radiology, Presbyterian-University Hospital, Pittsburgh, Pennsylvania.
2 Department of Radiology, University of Madras Medical School, Madras, India.
3 Department of Radiology, Allegheny General Hospital, Pittsburgh, Pennsylvania.
We believe that a simple all inclusive approach is essential to the interpretation of chest roentgenograms. The development and popularization of the term alveolar patterns of pulmonary disease was a major step. It is now necessary to recognize and classify the interstitial disease patterns on a sound basis. The proposed classification is: (1) connective tissue pattern; (2) lymphatic pattern; (3) bronchial pattern; (4) deposition pattern; and (5) vascular pattern. When the basic pattern is recognized, the group of diseases that demonstrates this pattern can be searched for the specific diagnosis.5
Most diseases affect alveoli as well as interstitium. We feel that the study of the pulmonary vascular pattern and the changes they manifest in the various disease processes will serve as the most useful index for proper interpretation of chest roentgenograms.
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