Asbestosis Flashcards
what is it
pleural disease (fibrosis) affecting lung lining and lung base progressive - latent period after exposure
what causes it
heavy prolonged asbestos exposure (5 years of daily exposure)
what are affects of asbestos exposure
benign pleural plaques benign asbestos pleural effusions diffuse pleural thickening acute asbestos pleuritis malignant mesothelioma
what is malignant mesothelioma
incurable pleural cancer which can invade chest wall - fatal in 2 years and almost always from asbestos exposure
what are symptoms of malignant mesothelioma
chest pain, PE, sweating, dyspnoea
what are signs of asbestosis
breathlessness
finger clubbing
how is it diagnosed
pleural fluid aspiration - low cytological yield
CXR and CT - effusion, nodularity, local invasion, lung entrapment, upper love fibrosis
biopsy - asbestos fibres
sputum culture - asbestos bodies
what is treatment
no treatment known to alter course of disease
pulmonary rehab and O2 therapy
corticosteroids often prescribed