Prevalence of Lung Parenchymal Involvement in Cases of Tubercular Pleural Effusion - Comparative Study between Chest X-ray and Computed Tomography Thorax
Journal Title: INTERNATIONAL JOURNAL OF SCIENTIFIC STUDY - Year 2017, Vol 5, Issue 4
Abstract
Introduction: Pleural effusion is one of the common manifestations of tuberculosis (TB). It can present alone or may be associated with tubercular involvement of lung parenchyma. Purpose: The purpose of the study is to know the prevalence of lung parenchymal involvement of TB as seen in computed tomography (CT) thorax in cases of tubercular pleural effusion (TPE). The second aim of the study is to know the prevalence of active changes of tubercular lung involvement on CT of thorax that is not picked up on chest X-ray. Material and Methods: This is prospective study in which 50 cases of pleural effusion seen on X-ray chest which on diagnostic ultrasound aspiration were found to be tubercular were analyzed on CT thorax. Result: Lung parenchymal involvement was seen in 21 cases (42%) on chest X-ray and 29 cases (58%) on CT thorax. Images compatible with active pulmonary disease was seen in 11 cases (22%) on chest X-ray and 17 cases (34%) on CT thorax. Conclusion: This study reveals lung parenchymal involvement is common in cases of TPE which are better and clearly depicted on CT thorax compared to chest X-ray. This is important in identifying the active form of disease which is better identified on CT thorax as these cases are important source of disease dissemination.
Authors and Affiliations
Rahul Ranjan, M K Meghwani, Supriya Katiyar, C M Bhalla
Keywords
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