Pulmonary Capillary Hemangiomatosis Jud W. Gurney, MD, FACR Key Facts Terminology Rare cause of pulmonary hypertension due to proliferation of alveolar capillaries within lung Imaging Findings Enlarged pulmonary arteries +…
Community Acquired Pneumonia Jud W. Gurney, MD, FACR Key Facts Imaging Findings Best diagnostic clue: Focal parenchymal abnormality in patient with fever If initial radiograph normal in patient strongly suspected…
Diffuse Interstitial Pneumonitis Tan-Lucien H. Mohammed, MD, FCCP Jud W. Gurney, MD, FACR Key Facts Terminology Chronic idiopathic interstitial pneumonia characterized by macrophage filling of alveolar spaces, probably related to…
Septic Emboli Aqeel A. Chowdhry, MD Tan-Lucien H. Mohammed, MD, FCCP Key Facts Terminology Septic embolism occurs when infected purulent material is dislodged and embolizes to lung Imaging Findings Nodules…
Bronchial Atresia Jud W. Gurney, MD, FACR Key Facts Terminology Congenital atresia of segmental bronchus with normal distal architecture Imaging Findings Apicoposterior segment left upper lobe (50%), followed by right…
Tuberculosis, Post-Primary Helen T. Winer-Muram, MD Key Facts Imaging Findings Rim-enhancing enlarged mediastinal lymph nodes Consolidation (100%) Lobular size and peribronchial Cavitation (50%) Wall thickness variable: Thick > thin, shape…
Aspergillosis, Angioinvasive Helen T. Winer-Muram, MD Key Facts Terminology Invasive aspergillosis: Tissue invasion either angioinvasive or airway invasive, typically occurs in patients with neutropenia or impaired neutrophil function Imaging Findings…
Pneumocystis, Jiroveci Pneumonia Jud W. Gurney, MD, FACR Key Facts Terminology Opportunistic fungal infection often affecting individuals with T-cell immunodeficiency Imaging Findings Ground-glass is dominant finding; opacities symmetric and diffuse…
Viral Pneumonia Jud W. Gurney, MD, FACR Key Facts Terminology Pulmonary infection with viral pathogen typically affects respiratory epithelium from trachea to terminal bronchioles Pneumonic (alveolar involvement) less common but…
Intralobar Sequestration Jud W. Gurney, MD, FACR Key Facts Terminology Pulmonary sequestration represents nonfunctioning lung tissue separated from normal lung Receives its blood supply from systemic artery Intralobar sequestration (90%)…
