XR Flashcards
DDx of Acute Airspace Disease, 4
1) Pulmonary edema
2) PNA
3) Aspiration
4) Hemorrhage
DDx of Pneumomediastinum, 5
1) Ruptured esophagus
2) Ruptured Trachea/bronchus
3) Iatrogeninc/trauma
4) Asthma
5) Pneumoperitoneum
DDx of Chronic Airspace Disease, 4
1) Alveolar cell CA
2) Alveolar Sarcoid
3) Lymphoma
4) Alveolar Proteinosis
DDx of Opacified Hemithorax, 4
1) Atelectasis
2) Pleural effusion
3) Pneumonia
4) Post-pneumonectomy
DDx of Large Cavitary Lung lesions, 3
Abscess
Carcinoma
TB
DDx of Upper Lobe Disease, 4
SET PARC Sarcoidosis, Silicosis Eosinophilic Granuloma TB PCP PNA Ankylosing Spondylitis Radiation Cystic Fibrosis
DDx of Bibasilar Interstitial Disease, 6
BAD ASS Bronchiectasis Aspiration DIP Asbestosis Sickle Cell Disease Scleroderma (also rheumatoid)
DDx of Micronodular Lung Disease, 4
Metastasis
Sarcoidosis
Pneumoconiosis
Miliary TB
DDx of Small Cavitary Lung Lesions, 4
Septic Emboli
Rheumatoid nodules
Squamous or Transitional Cell Metastasis
Wegener’s Granulomatosis
DDx of Lymphangitic Spread to the Lungs, 6
Lung CA Breast CA Stomach CA Pancreatic CA Laryngeal CA Cervical CA
DDx of Multiple Lung Nodules, 5
Metastases Wegner's Rheumatoid Nodules Multiple AVM's Septic Emboli
DDx of Pulmonary interstitial edema, 3
CHF
Lymphangitic Spread
Allergic Rxn
DDx of Shifting Infiltrates, 6
Loeffler's syndrome ABPA, Allergic broncho-pulmonary aspergillosis Asthma Aspiration Polyarteritis Nodosa Viral PNA
DDx of Chronic Interstitial Disease (pulmonary fibrosis)
PigNic Pneumoconiosis Interstitial PNA Granulomatous Disease Neoplastic Disease Idiopathic fibrosis Collagen Vascular Disease
DDx of Unilateral Hyper-Luscent Lung
Swyer-James Syndrome
Pulmonary Embolism
Pneumothorax
Obstructive Emphysema
DDx of Rapidly Clearing Airspace Disease
Hemorrhage
Pulmonary Edema
Aspiration
Pneumococcal PNA
DDx of Masses with Air Bronchogram within, 3
Lymphoma
Alveolar Cell Carcinoma
Pseudolymphoma (Maltoma)
DDx of Cavitating PNA, 4
Staphyloccoccal
Streptococcal
TB
Gram Neg PNA, eg. Klebsiella
DDx of Middle Mediastinal Mass, 4
Lymphadenopathy
Aneurysms
Esophageal Duplications
Bronchogenic Cysts
DDx of Hilar Adenopathy (both BL and Unilateral), 5
Sarcoid, BL TB, UL Lymphoma, BL Bronchogenic CA, UL Metastasis, UL or BL
DDx of Cavities COntaining Masses in Lungs, 4
Aspergilloma
Cavitating Bronchogenic CA
TB
Hydatid Cyst
DDx of Airspace Disease w/ Effusion, 4
PNA (Staph and Strept)
TB
Pulmonary infarct
DDx of Pulm Mass + Ipsilateral Hilar Adenopathy, 3
Bronchogenic CA
Lymphoma
TB
DDx of Solitary Pulm Nodule, 8
Bronchogenic CA Hamartoma Histoplasmoma Tuberculous Granuloma Bronchial Adenoma Solitary Mets Round PNA Rounded Atelectasis
DDx of Left-sided Pleural Effusion, 4
Boerhaave’s Syndrome
Dissecting Aortic Aneurysm
Pancreatitis
Distal Thoracic duct Rupture
DDx of Pleural Effusion, 9
CHF Mets Pancreatitis Pulm Embolism Trauma Empyema Collagen Vasulcar dzs Ovarian Tumor (Meig's syndrome) Chylothorax
DDx of Multiple Small Calcifications of Lung, 5
Histoplasmosis Silicosis Chicken pox PNA Pulmonary Ossification secondary to mitral stenosis Alveolar microlithiasis
DDx of Posterior Mediastinal Mass, 3
Neurogenic tumors, eg Neurofibroma
Lymphadenopathy
Extra-medullary hematopoesis
DDx of Mediastinal Adenopathy, 5
Bronchogenic ca Lymphoma TB Mets Sarcoid
DDx of Lung Disease + Rib Destruction, 4
Bronchogenic CA, ie. Pancost Tumor
Actinomycosis
Blastomycosis
Multiple myeloma
DDx of Pleural calcifications, 3
Old TB empyema
Asbestosis exposure
Hemothorax
DDx of Masses in Cardiophrenic Angle, 3
Sequestration
Diaphragmatic hernia (eg, Morgagni Hernia)
Pericardial Cyst
DDx of Unilateral Pulm Edema, 3
Rapid expansion of PTX
Postural pulm edema
Diseases of the other lung, eg. COPD
DDx of “Reverse” Pulmonary Edema (Peripheral Airspace Disease), 3
Eosinophic Lung disease (eg. Loeffler’s Syndrome, Eosinophilic PNA)
Sarcoid
Pulmonary Contusions
