Reverse Halo Sign Jonathan H. Chung, MD DIFFERENTIAL DIAGNOSIS Common Cryptogenic Organizing Pneumonia Fungal Pneumonia Invasive Fungal Pneumonia (Aspergillosis, Mucormycosis) Paracoccidioidomycosis Bacterial Pneumonia Less Common Wegener Granulomatosis Pulmonary Infarct Primary…
Apical Mass Jonathan H. Chung, MD DIFFERENTIAL DIAGNOSIS Common Apical Pleural Thickening Extrapleural Fat Pleural Effusion Post-primary Tuberculosis Pancoast Tumor Chronic Fungal Infection Radiation-Induced Lung Disease Less Common Sarcoidosis Progressive…
Cavitating Mass Jonathan H. Chung, MD DIFFERENTIAL DIAGNOSIS Common Non-Small Cell Lung Cancer Lung Metastases Lung Abscess Mycobacterial Pneumonia Fungal Pneumonia Pulmonary Septic Emboli Pulmonary Laceration Less Common Progressive Massive…
Lung Mass > 3 cm Jonathan H. Chung, MD DIFFERENTIAL DIAGNOSIS Common Lung Cancer Lung Metastases Pneumonia Mycobacterial Pneumonia Fungal Pneumonia Lung Abscess Pseudotumor Rounded Atelectasis Less Common Pulmonary Arteriovenous…
Migratory Distribution Jonathan H. Chung, MD DIFFERENTIAL DIAGNOSIS Common Asthma Recurrent Aspiration Atelectasis Pulmonary Infarct Less Common Septic Emboli Organizing Pneumonia Cystic Fibrosis Allergic Bronchopulmonary Aspergillosis Eosinophilic Pneumonia Rare but…
Tubular Mass Jonathan H. Chung, MD DIFFERENTIAL DIAGNOSIS Common Bronchiectasis (with Mucous Plugging) Cystic Fibrosis Allergic Bronchopulmonary Aspergillosis Endobronchial Tumor (with Distal Mucous Plugging) Pulmonary Laceration Less Common Pulmonary AVM…
Pneumatocele Eric J. Stern, MD DIFFERENTIAL DIAGNOSIS Common Traumatic Pneumatocele Postinfectious Pneumatocele Bullous Emphysema Paraseptal Emphysema Tuberculosis Less Common Lung Abscess Rare but Important Hydrocarbon Aspiration ESSENTIAL INFORMATION Key Differential…
Multiple Ill-Defined Nodules Jonathan H. Chung, MD DIFFERENTIAL DIAGNOSIS Common Pneumonia Mycobacterial Fungal Bacterial Metastases (Typically Hemorrhagic) Bronchoalveolar Cell Carcinoma Septic Emboli Hypersensitivity Pneumonitis Less Common Wegener Granulomatosis Silicosis/Coal Worker’s…
Chronic Dyspnea Christopher M. Walker, MD DIFFERENTIAL DIAGNOSIS Common Pleural Effusion Emphysema Sarcoidosis Bronchogenic Carcinoma Less Common Usual Interstitial Pneumonia Nonspecific Interstitial Pneumonia Respiratory Bronchiolitis-associated Interstitial Lung Disease Radiation Pneumonitis…
Solitary Pulmonary Nodule Eric J. Stern, MD DIFFERENTIAL DIAGNOSIS Common Granuloma Lung Cancer Intrapulmonary Lymph Node Less Common Carcinoid Solitary Metastasis Nodule Mimics (Pseudonodules) Nipple Skeletal Lesions Infectious/Inflammatory Process Rare…
