Official and voluntary health agencies have in recent years used a technic of mass roentgenography of the chest1 which is reaching hundreds of thousands of persons throughout the country. The small photoroentgen film used in this technic is not diagnostic, but it generally indicates the presence of an abnormality which must be further identified by the usual 14 by 17 inch (35 by 43 cm.) diagnostic roentgenogram and other studies. The methods used for the identification of these pulmonary lesions shown on the roentgenogram, whether they were unsuspected prior to the mass roentgenographic survey or whether they occurred in patients with vague pulmonary complaints, form the basis of this report. Such lesions are essentially chronic.
The diagnosis in the patient with a pulmonary lesion visible in the roentgenogram will be considered from two viewpoints. First, ordinary diagnostic procedures will be discussed in the order of their usual application.
CLARK D, TEMPEL CW, ALLEN KDA. DIAGNOSIS OF PULMONARY LESIONS DISCOVERED BY MASS ROENTGENOGRAPHIC SURVEY. JAMA. 1950;143(11):943–951. doi:10.1001/jama.1950.02910460001001
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