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What is Bilateral pleural plaques and pulmonary fibrosis involving bases is hallmark of and explain in detail?
Ans. a (Asbestosis) (Ref. Grainger's Diagnostic Radiology, 4th ed., 513; TABLE 24-3)X-RAY FEATURES OF ASBESTOS EXPOSUREPleuralPulmonaryExtrathoracic# Plaques# Fibrosis (asbestosis)# Peritoneal mesothelioma# Diffuse thickening# Bronchial carcinoma# Other extrathorasic malignancies# Effusions# Round atelectasis (pseudotumour) # Mesothelioma