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Updated: Mar 2, 2026

Point-of-Care Lung Ultrasound in Adults: Image Acquisition
Published on: March 3, 2023
Persistent benign pleural effusion
1Unidad de Medicina Pleural, Servicio de Medicina Interna, Hospital Universitario Arnau de Vilanova, Lleida, España; Instituto de Investigación Biomédica de Lleida Fundación Dr. Pifarré, IRBLLEIDA, Lleida, España.
Abstract:
In this narrative review we describe the main aetiologies, clinical characteristics and treatment for patients with benign pleural effusion that characteristically persists over time: chylothorax and cholesterol effusions, nonexpansible lung, rheumatoid pleural effusion, tuberculous empyema, benign asbestos pleural effusion and yellow nail syndrome.
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