Understanding Pleural Plaques Pleural plaques are a telltale sign of past asbestos exposure. These are areas of fibrous thickening that develop on the pleura—the membrane surrounding the lungs. Though they are not cancerous and typically do not cause symptoms, their presence serves as an undeniable fingerprint of asbestos exposure. In cases of prolonged asbestos exposure, … Continue reading Pleural Plaques as an Indicator of Asbestos Exposure