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[Application of tuberculosis medical examination radiographs to scoliosis screening in high schools].

The purpose of this study was to assess the utilization of tuberculosis examination radiographs for scoliosis screening in high schools, for early diagnosis and early treatment of adolescent idiopathic scoliosis in the health management of students. We examined 2,068 first year high school students (1,058 males and 1,010 females) in Wakayama Prefecture, who had chest X-ray photographs taken between 1994 to 1996, and 24 cases (3 males and 21 females) were identified with scoliosis of more than 10 degrees Cobb angle. Fifteen of the cases received further examinations in the hospital, and were diagnosed with definite adolescent idiopathic scoliosis, while 6 cases who did not receive hospital examinations had their abnormality of the spine noted in past periodic health examinations. In the remaining 3 students scoliosis could not be confirmed. The correlation coefficient between the Cobb angle measured in the tuberculosis examination radiographs and in the total spinal radiographs taken by the hospital was 0.815 (p < 0.001). These results suggest that the tuberculosis examination radiographs may be useful for scoliosis screening in high schools.