Thoracic Key

Focal Lung Opacity Jonathan H. Chung, MD DIFFERENTIAL DIAGNOSIS Common Pneumonia Aspiration Pulmonary Abscess Subsegmental Atelectasis Lung Cancer Metastatic Disease Less Common Pulmonary Hemorrhage Radiation Pneumonitis Progressive Massive Fibrosis Sarcoidosis…

Acute Pulmonary Consolidation Jonathan H. Chung, MD DIFFERENTIAL DIAGNOSIS Common Pneumonia Cardiogenic Pulmonary Edema Atelectasis Aspiration Pulmonary Contusion Pulmonary Hemorrhage Less Common Hypersensitivity Pneumonitis (Acute) Diffuse Alveolar Damage Pulmonary Infarct…

Miliary Pattern Jeffrey P. Kanne, MD DIFFERENTIAL DIAGNOSIS Common Mycobacterial Metastases Viral Pneumonia Disseminated Fungal Disease Less Common Sarcoidosis Silicosis/Coal Worker’s Pneumoconiosis Talcosis Alveolar Microlithiasis Lung Ossification Bronchioloalveolar Cell Carcinoma…

Pulmonary Calcification Jeffrey P. Kanne, MD DIFFERENTIAL DIAGNOSIS Common Mycobacterial Pneumonia Fungal, Histoplasmosis Less Common Hamartoma Silicosis/Coal Worker’s Pneumoconiosis Carcinoid Lung Metastases Rare but Important Amyloidosis Metastatic Pulmonary Calcification Lung…

Unilateral Pulmonary Consolidation Dharshan Vummidi, MD Jeffrey P. Kanne, MD DIFFERENTIAL DIAGNOSIS Common Community Acquired Pneumonia Bronchioloalveolar Carcinoma Lung Contusion Endobronchial Tumor Less Common Coccidioidomycosis Blastomycosis Diffuse Alveolar Hemorrhage Eosinophilic…

Cavitation Sudhakar Pipavath, MD DIFFERENTIAL DIAGNOSIS Common Tuberculosis (TB) Lung Cancer Wegener Granulomatosis Septic Emboli Pneumatocele Lung Abscess Less Common Cavitary Lung Metastasis Fungal Infections Angioinvasive Aspergillosis Blastomycosis Coccidioidomycosis Paracoccidioidomycosis…

Halo Sign Robert B. Carr, MD DIFFERENTIAL DIAGNOSIS Common Angioinvasive Aspergillosis Less Common Pulmonary Metastasis Kaposi Sarcoma Wegener Granulomatosis Rare but Important Bronchioloalveolar Carcinoma Atypical Infection ESSENTIAL INFORMATION Key Differential…

Air-Crescent Sign Robert B. Carr, MD DIFFERENTIAL DIAGNOSIS Common Angioinvasive Aspergillosis Mycetoma Less Common Bronchogenic Carcinoma Rare but Important Echinococcosis ESSENTIAL INFORMATION Key Differential Diagnosis Issues Air-crescent sign: Air outlining…

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…