A Clinical Study on the Role of Color Doppler in Differentiating Pleural Thickening and Minimal Pleural Effusion in Adults
Journal Title: INTERNATIONAL JOURNAL OF SCIENTIFIC STUDY - Year 2017, Vol 5, Issue 9
Abstract
Background: The wide application of color Doppler ultrasound (CDUS) in the diagnosis of thoracic lesions helps in detecting minimal pleural effusions. The discrimination of pleural thickening from minimal pleural effusion may be difficult as both lesions appear as anechoic on grayscale ultrasound. The CDUS fluid color sign helps in detecting minimal fluid in the pleural space. Aim of the Study: The aim of the study was to evaluate the role of CDUS in differentiating minimal pleural effusion that could be aspirated from pleural thickening and to compare it with grayscale ultrasound. Materials and Methods: A prospective analytical study conducted on 54 patients presenting with blunting of costophrenic angles on plain X-rays of the chest compatible with minimal pleural effusion. Initial grayscale ultrasound was done in all patients followed by CDUS examination. The fluid color sign was observed and later confirmed by thoracocentesis. Observations and Results: The sensitivity of real-time grayscale ultrasound in detecting minimal pleural effusion and differentiating it from pleural thickening was 89.47% while, specificity was 41.10%, and accuracy was 69%. The specificity of CDUS in discriminating minimal pleural effusion from pleural thickening was nearing 98.75% while the sensitivity was 89.32% and accuracy was 96%. Conclusions: Usage of CDUS increases the accuracy of real-time chest ultrasound to discriminate pleural thickening from minimal pleural effusion and hence color Doppler examination proved to be a useful diagnostic tool especially in minimal pleural effusion.
Authors and Affiliations
Tirupati S Rajasekhar
Keywords
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