Usefulness of chest radiographs for scoliosis screening: a comparison with thoraco-lumbar standing radiographs.

Abstract:

PURPOSE:The purposes of this study were to evaluate the usefulness and limitations of chest radiographs in scoliosis screening and to compare these results with those of thoraco-lumbar standing radiographs (TLSR). MATERIALS AND METHODS:During Korean conscription, 419 males were retrospectively examined using both chest radiographs and TLSR to confirm the scoliosis and Cobb angle at the Regional Military Manpower. We compared the types of spinal curves and Cobb angles as measured from different radiographs. RESULTS:In the pattern of spinal curves, the overall matching rate of chest radiographs using TLSR was about 58.2% (244 of 419 cases). Cobb angle differences between chest radiographs and TLSR with meaningful difference was observed in 156 cases (37.2%); a relatively high proportion (9.5%) of Cobb angle differences more than 10 degrees was also observed. The matching rate of both spinal curve types and Cobb angle accuracy between chest radiographs and TLSR was 27.9% (117 among 419 cases). Chest radiographs for scoliosis screening were observed with 93.94% of sensitivity and 61.67% of specificity in thoracic curves; however, less than 40% of sensitivity (38.27%, 20.00%, and 25.80%) and more than 95% of specificity (97.34%, 99.69%, and 98.45%) were observed in thoraco- lumbar, lumbar, and double major curves, respectively. CONCLUSION:The accuracy of chest radiographs for scoliosis screening was low. The incidence of thoracic curve scoliosis was overestimated and lumbar curve scoliosis was easily missed by chest radiography. Scoliosis screening using chest radiography has limited values, nevertheless, it is useful method for detecting thoracic curve scoliosis.

journal_name

Yonsei Med J

journal_title

Yonsei medical journal

authors

Oh CH,Kim CG,Lee MS,Yoon SH,Park HC,Park CO

doi

10.3349/ymj.2012.53.6.1183

subject

Has Abstract

pub_date

2012-11-01 00:00:00

pages

1183-9

issue

6

eissn

0513-5796

issn

1976-2437

pii

2012111183

journal_volume

53

pub_type

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