Silicosis, Simple
Silicosis, Simple Melinda Z. Rixey, MD Aqeel A. Chowdhry, MD Tan-Lucien H. Mohammed, MD, FCCP Key Facts Terminology Simple pneumoconiosis: Micronodules < 1 cm develop more than 10 years after…
Berylliosis
Berylliosis Jud W. Gurney, MD, FACR Key Facts Terminology Strong lightweight element with a high melting point, used in alloys in wide variety of industries Inhalation causes 2 pulmonary syndromes:…
Hard-Metal Disease
Hard-Metal Disease Tan-Lucien H. Mohammed, MD, FCCP Key Facts Terminology Hard-metal disease: Pneumoconiosis due to dust inhalation of cemented tungsten carbide (WC) Distinct histologic finding of giant cell pneumonitis Imaging…
Mycobacterium Avium Complex
Mycobacterium Avium Complex Jud W. Gurney, MD, FACR Key Facts Terminology NTM pulmonary infection, most commonly caused by MAC, causes 5 types of disease Classic infection that mimics Mycobacterium tuberculosis…
Primary Ciliary Dyskinesia
Primary Ciliary Dyskinesia Melissa L. Rosado-de-Christenson, MD, FACR Key Facts Terminology Primary ciliary dyskinesia: Genetic disorder of ciliary structure resulting in impaired mucociliary clearance Kartagener syndrome: Situs inversus, sinusitis, bronchiectasis…
Tracheobronchial Papillomatosis
Tracheobronchial Papillomatosis Helen T. Winer-Muram, MD Key Facts Terminology Laryngeal nodules due to human papilloma virus, usually self-limited infection < 1% seed the lung, known as invasive papillomatosis At risk…
Congenital Pulmonary Airway Malformation
Congenital Pulmonary Airway Malformation Melissa L. Rosado-de-Christenson, MD, FACR Key Facts Terminology Abnormal mass of lung tissue with varying degrees of cystic change Imaging Findings Unilateral multilocular thin-walled cysts Air-filled,…
Bronchiolitis, Constrictive
Bronchiolitis, Constrictive Melissa L. Rosado-de-Christenson, MD, FACR Key Facts Terminology Concentric peribronchiolar fibrosis of membranous and respiratory bronchioles Imaging Findings Radiography Normal chest radiographs Hyperinflation CT/HRCT Mosaic pulmonary attenuation Air-trapping…
Respiratory Bronchiolitis
Respiratory Bronchiolitis Martha Huller Maier, MD Key Facts Terminology RB: Histologic reaction (pathologic in some) found in cigarette smokers Usually asymptomatic RB-ILD: Clinicopathologic syndrome found in heavy smokers RB, RB-ILD,…
Follicular Bronchiolitis
Follicular Bronchiolitis Jud W. Gurney, MD, FACR Key Facts Terminology Follicular bronchiolitis to nodular lymphoid hyperplasia (pseudolymphoma), LIP, and lymphoma Imaging Findings Centrilobular nodules, faint Diffuse or lower lung zones…
