Diffuse infiltrative lung disease

Comparison of diagnostic accuracies of high-performance CT and radiography

Kyeong Ah Kim, Eun-Young Kang, Yu Whan Oh, Jun Suk Kim, J. S. Park, K. S. Lee, Kyung Ho Kang, K. B. Chung

Research output: Contribution to journalArticle

Abstract

Background: To compare the diagnostic accuracies of High-resolution CT (HRCT) and chest radiography in the diagnosis of diffuse infiltrative lung disease (DILD). Methods: This study included ninety-nine patients with a diagnosis of acute or chronic DILD, representing 20 different diseases. Twelve normal subjects were included as control. The disease state was confirmed either pathologically or clinically. Radiographs and CT scans were evaluated separately by three independent observers without knowledge of clinical and pathologic results. The observers listed three most likely diagnoses and recorded degree of confidence. Results: The sensitivity of HRCT in the detection of DILD was 98.3% compared to 97.9% of chest radiography. Overall, a correct first-choice diagnosis was made in 48% using chest radiographs and in 60% using HRCT images. The correct diagnosis was among the top-three choices in 64% when chest radiographs were used, and in 75% when HRCT images were reviewed. Overal a confident diagnosis was reached more often with HRCT (55%) than with chest radiography (26%). The correct first-choice diagnosis increased remarkably when the HRCT was used in usual interstitial pneumonia, miliary tuberculosis, diffuse panbronchiolitis and lymphangitic carcinomatosis. Conclusion: HRCT is confirmed to be superior to conventional radiography in the detection and accurate diagnosis of DILD. HRCT is especially valuable in the diagnosis of usual interstitial pneumonia, miliary tuberculosis, diffuse panbronchiolitis, and lymphangitic carcinomatosis.

Original languageEnglish
Pages (from-to)388-402
Number of pages15
JournalTuberculosis and Respiratory Diseases
Volume43
Issue number3
Publication statusPublished - 1996 Nov 22

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Radiography
Lung Diseases
Thorax
Miliary Tuberculosis
Idiopathic Pulmonary Fibrosis
Carcinoma

Keywords

  • chest radiography
  • diffuse infiltrative lung disease
  • High-resolution CT

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine
  • Infectious Diseases

Cite this

Diffuse infiltrative lung disease : Comparison of diagnostic accuracies of high-performance CT and radiography. / Kim, Kyeong Ah; Kang, Eun-Young; Oh, Yu Whan; Kim, Jun Suk; Park, J. S.; Lee, K. S.; Kang, Kyung Ho; Chung, K. B.

In: Tuberculosis and Respiratory Diseases, Vol. 43, No. 3, 22.11.1996, p. 388-402.

Research output: Contribution to journalArticle

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