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…
RESPIRATORY IMAGING
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…
Emphysema, Centrilobular
Emphysema, Centrilobular Jud W. Gurney, MD, FACR Key Facts Terminology CLE: Enlargement and destruction of respiratory bronchioles within secondary pulmonary lobule CLE most common form of emphysema associated with symptomatic…
Bronchocentric Granulomatosis
Bronchocentric Granulomatosis Jud W. Gurney, MD, FACR Key Facts Terminology Pathologic reaction characterized by bronchocentric necrotizing granulomatous process in which airway wall is replaced by granulomatous tissue and palisaded histiocytes…
Atelectasis, Subpleural Linear Shadow
Atelectasis, Subpleural Linear Shadow Jud W. Gurney, MD, FACR Key Facts Imaging Findings Subpleural line paralleling chest wall Gravity dependent; will resolve when patient placed in nondependent position Line 1-2…
