Screening for chest disease in college students: policies of student health services regarding the use of routine screening chest radiographs and tuberculin skin tests.

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Abstract
We conducted a survey of college health services to determine their policies regarding the use of screening chest radiographs and tuberculin skin tests. Pre-enrollment chest radiographs are prescribed for all incoming students by 24 per cent of the 531 respondents and for health professions students, foreign students, and intercollegiate athletes only by an additional 20 per cent, 19 per cent, and 6 per cent, respectively. Periodic chest radiography is conducted for all students by 7 per cent of the respondents and for health professions students, foreign students, and intercollegiate athletes only by an additional 22 per cent, 16 per cent, and 8 per cent, respectively. Pre-enrollment tuberculin skin tests are prescribed for all incoming students by 52 per cent of the respondents and for health professions students, foreign students, and intercollegiate athletes only by an additional 48 per cent, 29 per cent, and 9 per cent, respectively. Periodic tuberculin skin testing is conducted for all students by 27 per cent of the respondents and for health professions students, foreign students, and intercollegiate athletes only by an additional 48 per cent, 23 per cent, and 16 per cent, respectively. We estimate from these data that 723,000 incoming students in the United States received screening chest radiographs in 1979 with estimated charges totaling between $7 million and $27 million. There may be 0.05 to 0.33 induced cases of lung cancer, leukemia, thyroid cancer, and female breast cancer over a 20-year period among this group of students exposed to ionizing radiation.