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(Chest. 1996;109:608-611.)
© 1996 American College of Chest Physicians

Screening for Bronchiectasis

A Comparative Study Between Chest Radiography and High-Resolution CT

Brigitte A.H.A. van der Bruggen-Bogaarts MD1; Hein M.J.G. van der Bruggen MD2; Paul F.G.M. van Waes MD3; and Jan-Willem J. Lammers MD1

1 From the Department of Pulmonology, University Hospital Utrecht, the Netherlands
2 From the Department of Radiology, St. Joseph Hospital Veghel, the Netherlands
3 From the Department of Radiology, University Hospital Utrecht, the Netherlands

Study objective: The aim of our study was to investigate whether in the search for bronchiectasis a correlation exists between abnormalities on the chest radiograph and high-resolution CT (HRCT), and if HRCT has an additional value when the chest radiography is normal.

Subjects and methods: In a prospective study, chest radiographs were compared with HRCT in 84 patients. Analysis of presence and extent of bronchiectasis were made for each bronchopulmonary lobe.

Results: Thirty-seven patients had a normal radiograph, from whom 32 had a normal HRCT. The other 5 had a low HRCT severity score with a mild cylindrical bronchiectasis. From the 47 patients with an abnormal radiograph, 36 had signs of bronchiectasis at HRCT; 11 patients, however, had a normal HRCT. The sensitivity for chest radiography to detect bronchiectasis appeared to be 87.8% with a specificity of 74.4%. We found a significant linear relationship between the severity of bronchiectasis at HRCT and abnormalities as seen on the chest radiograph (r=0.62, p=0.0001).

Conclusion: A normal chest radiograph almost always excludes relevant bronchiectasis and no further investigation seems necessary. There is a significant linear relationship between the severity of bronchiectasis at HRCT and abnormalities as seen on the chest radiograph.

Key Words: bronchiectasis • chest radiography • high-resolution CT (HRCT)

Submitted on May 17, 1995
Accepted on October 17, 2007




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