Acute Airspace Disease
1. Pulmonary edema
2. Pneumonia
3. Aspiration
4. Hemorrhage BACK to TOP
Anterior Mediastinal Masses
1. Thymoma
2. Teratoma
3. Substernal thyroid
4. Lymphoma BACK to TOP
Opacified Hemithorax
1. Atelectasis
2. Effusion
3. Pneumonia
4. Post-pneumonectomy BACK to TOP
Chronic Airspace Disease
1. Alveolar cell ca
2. Alveolar sarcoid
3. Lymphoma
4. Alveolar proteinosis BACK to TOP
Large Cavitary Lung Lesions
1. Abscess
2. Carcinoma
3. TB BACK to TOP
Bibasilar Interstitial Disease
1. Bronchiectasis
2. Aspiration
3. DIP
4. Asbestosis
5. Sarcoidosis
6. Scleroderma BACK to TOP
Micronodular Lung Disease
1. Mets
2. Sarcoid
3. Pneumoconiosis
4. Miliary TB BACK to TOP
Pulmonary Fibrosis
1. Pneumoconiosis
2. Interstitial Pneumonia
3. Granulomatous disease
4. Neoplastic disease
5. Idiopathic fibrosis
6. Collagen vascular disease BACK to TOP
Small Cavitary Lung Lesions
1. Septic emboli
2. Rheumatoid nodules
3. Squamous or transitional cell mets
4. Wegener’s Granulomatosis BACK to TOP
Lymphangitic Spread to the Lungs
1. Lung ca
2. Breast ca
3. Stomach ca
4. Pancreas ca
5. Laryngeal ca
6. Cervical ca BACK to TOP
Multiple Lung Nodules
1. Mets
2. Wegener’s granulomatosis
3. Rheumatoid nodules
4. AVMs
5. Septic emboli BACK to TOP
Shifting Infiltrates
1. Loeffler’s syndrome
2. ABPA
3. Asthma
4. Polyarteritis
5. Viral pneumonia BACK to TOP
Unilateral Hyperlucent Lung
1. Swyer James syndrome
2. Pulmonary embolism
3. Pneumothorax
4. Obstructive emphysema BACK to TOP
Rapidly Clearing Airspace Disease
1. Pneumococcal pneumonia
2. Hemorrhage
3. Pulmonary edema
4. Aspiration BACK to TOP
Cavitating Pneumonia
1. Staph
2. Strep
3. TB
4. Gram negative (klebsiella) BACK to TOP
Middle Mediastinal Masses
1. Lymphadenopathy
2. Aneurysms
3. Esophageal duplication
4. Bronchogenic cysts BACK to TOP
Masses with Air Bronchograms
1. Lymphoma
2. Alveolar cell ca
3. Pseudolymphoma (Maltoma) BACK to TOP
Cavities Containing Masses
1. Aspergillosis
2. Cavitating bronchogenic ca
3. Hydatid cyst
4. Tuberculosis BACK to TOP
Infiltrates with Effusion
1. Staph pneumonia
2. Strep pneumonia
3. TB
4. Pulmonary infarct
“Mass”+ ipsilateral adenopathy
1. Bronchogenic ca
2. Lymphoma
3. TB BACK to TOP
Solitary Pulmonary Nodule
1. Bronchogenic ca
2. Hamartoma
3. Histoplasmoma
4. TB granuloma
5. Bronchial adenoma
6. Solitary met
7. Round pneumonia
8. Rounded atelectasis BACK to TOP
Pleural Effusion
1. CHF
2. Mets
3. Pancreatitis
4. Pulmonary embolism
5. Trauma
6. Empyema
7. Collagen vascular
8. Ovarian tumor (Meig’s Syndrome)
9. Chylothorax BACK to TOP
Multiple Small Calcifications
1. Histoplasmosis
2. Silicosis
3. Chicken pox pneumonia
4. Pulmonary ossification 2° MS
5. Alveolar microlithiasis BACK to TOP
Posterior Mediastinal Masses
1. Neurogenic tumors
2. Lymphadenopathy
3. Extramedullary hematopoiesis BACK to TOP
Mediastinal Adenopathy
1. Bronchogenic ca
2. Lymphoma
3. TB
4. Mets
5. Sarcoid BACK to TOP
Lung Disease & Rib Destruction
1. Bronchogenic ca, i.e. Pancoast tumor
2. Actinomycosis
3. Blastomycosis
4. Multiple myeloma BACK to TOP
Pleural Calcification
1. Old TB empyema
2. Asbestos exposure
3. Hemothorax BACK to TOP
“Masses” in Cardiophrenic Angle
1. Sequestration
2. Diaphragmatic hernia
3. Pericardial cyst BACK to TOP
Unilateral Pulmonary Edema
1. Aspiration
2. Disease in other lung, e.g. COPD
3. Postural
4. Rapid expansion of PTX BACK to TOP
Reverse Pulmonary Edema
1. Eosinophilic lung disease, e.g. Loeffler’s
2. Sarcoid
3. Pulmonary contusions BACK to TOP
