Primary interpretation of thoracic MDCT images using coronal reformations

Area of Science:

• Radiology
• Medical Imaging
• Thoracic Imaging

Background:

• Multi-detector computed tomography (MDCT) is crucial for thoracic imaging.
• Coronal reformations offer an alternative viewing plane to transverse images.
• Evaluating interpretation efficiency and accuracy is vital for clinical workflow.

Purpose of the Study:

• To compare the accuracy and efficiency of primary interpretation of thoracic MDCT using coronal reformations versus transverse images.
• To assess diagnostic performance metrics, including sensitivity and specificity.
• To evaluate interpretation time and image assessment load.

Main Methods:

• Fifty patients underwent 4-MDCT of the chest.
• Coronal and transverse sections were reformatted.
• Three radiologists independently interpreted images, with findings compared against a reference standard.
• Sensitivity, specificity, and interpretation times were recorded and analyzed.

Main Results:

• Mean detection sensitivity for lesions was significantly lower with coronal (44%) compared to transverse (51%) images (p=0.001).
• Mean detection specificity was significantly higher with coronal (96%) compared to transverse (95%) images (p=0.005).
• Interpretation of coronal images took longer (263 sec) and involved fewer images (63) than transverse images (238 sec, 92 images).

Conclusions:

• Primary interpretation of thoracic MDCT using coronal reformations is less sensitive than using transverse images.
• Coronal reformations lead to a more time-consuming interpretation process.
• Transverse images remain more efficient for primary interpretation of thoracic MDCT.