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September 5, 2026Egyptian Journal of BronchologyOpen Access

Accuracy of lung ultrasonography versus plain chest X-ray in diagnosis of pneumonia

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Authors

AGAmira Gamal GodaAAAli Mohamed AbdellaMHMohammed Sayed Hantera

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Overview

Prospective cross-sectional study demonstrates superior diagnostic accuracy of lung ultrasound over chest X-ray in hospitalized adults, suggesting bedside ultrasound enables faster diagnosis.

Key Points

  • To assess the diagnostic accuracy of chest ultrasonography compared with conventional chest radiography for identifying pneumonia in hospitalized adult patients.
  • Conducted a prospective observational cross-sectional study of 30 adult patients admitted to hospital chest departments with preliminary community-acquired pneumonia in Egypt.
  • Evaluated patients with clinical examinations, laboratory testing (WBC, ESR), chest radiography, and lung ultrasound, using final hospital discharge diagnosis as the reference standard (N=21 pneumonia, N=9 non-pneumonia).
  • Lung ultrasonography demonstrated 95.2% sensitivity, 88.9% specificity, a positive predictive value of 95.2%, a negative predictive value of 88.9%, and an overall diagnostic accuracy of 90.3%.
  • Chest X-ray demonstrated 71.4% sensitivity, 66.7% specificity, a positive predictive value of 83.3%, a negative predictive value of 50.0%, and an overall diagnostic accuracy of 70.0%.
  • Diagnostic accuracy was significantly higher for lung ultrasound compared with plain chest X-ray (p < 0.001).

Cite This Study

Goda et al. (2026) studied this question.

synapsesocial.com/papers/6a9bd4726b95aff0620ec26bhttps://doi.org/10.1186/s43168-026-00660-x
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Diagnostic value of Lung Ultrasound for pneumonia in critical care Patients2024
  2. 2Comparative Study of X-Ray and Sonographic Findings in Pneumonia in a Tertiary Hospital: A Cross-Sectional Study in Nepalese Adults2024
  3. 3Diagnostic Accuracy of Chest Radiography Versus Lung Ultrasound in Pediatric Pneumonia: A Comparative Study2023
  4. 4Lung Ultrasound Findings and Algorithms to Detect Pneumonia: A Systematic Review and Diagnostic Testing Meta-Analysis.2025 · 10 citations
  5. 5Diagnostic Accuracy of Bedside Lung Ultrasound Versus Chest X-ray for Pediatric Pneumonia in Children Under Five: A Comparative Study2025