XR Flashcards

1
Q

DDx of Acute Airspace Disease, 4

A

1) Pulmonary edema
2) PNA
3) Aspiration
4) Hemorrhage

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2
Q

DDx of Pneumomediastinum, 5

A

1) Ruptured esophagus
2) Ruptured Trachea/bronchus
3) Iatrogeninc/trauma
4) Asthma
5) Pneumoperitoneum

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3
Q

DDx of Chronic Airspace Disease, 4

A

1) Alveolar cell CA
2) Alveolar Sarcoid
3) Lymphoma
4) Alveolar Proteinosis

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4
Q

DDx of Opacified Hemithorax, 4

A

1) Atelectasis
2) Pleural effusion
3) Pneumonia
4) Post-pneumonectomy

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5
Q

DDx of Large Cavitary Lung lesions, 3

A

Abscess
Carcinoma
TB

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6
Q

DDx of Upper Lobe Disease, 4

A
SET PARC
Sarcoidosis, Silicosis
Eosinophilic Granuloma
TB
PCP PNA
Ankylosing Spondylitis
Radiation 
Cystic Fibrosis
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7
Q

DDx of Bibasilar Interstitial Disease, 6

A
BAD ASS
Bronchiectasis
Aspiration
DIP
Asbestosis
Sickle Cell Disease
Scleroderma (also rheumatoid)
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8
Q

DDx of Micronodular Lung Disease, 4

A

Metastasis
Sarcoidosis
Pneumoconiosis
Miliary TB

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9
Q

DDx of Small Cavitary Lung Lesions, 4

A

Septic Emboli
Rheumatoid nodules
Squamous or Transitional Cell Metastasis
Wegener’s Granulomatosis

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10
Q

DDx of Lymphangitic Spread to the Lungs, 6

A
Lung CA
Breast CA
Stomach CA
Pancreatic CA
Laryngeal CA
Cervical CA
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11
Q

DDx of Multiple Lung Nodules, 5

A
Metastases
Wegner's
Rheumatoid Nodules
Multiple AVM's
Septic Emboli
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12
Q

DDx of Pulmonary interstitial edema, 3

A

CHF
Lymphangitic Spread
Allergic Rxn

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13
Q

DDx of Shifting Infiltrates, 6

A
Loeffler's syndrome
ABPA, Allergic broncho-pulmonary aspergillosis
Asthma
Aspiration
Polyarteritis Nodosa
Viral PNA
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14
Q

DDx of Chronic Interstitial Disease (pulmonary fibrosis)

A
PigNic
Pneumoconiosis
Interstitial PNA
Granulomatous Disease
Neoplastic Disease
Idiopathic fibrosis
Collagen Vascular Disease
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15
Q

DDx of Unilateral Hyper-Luscent Lung

A

Swyer-James Syndrome
Pulmonary Embolism
Pneumothorax
Obstructive Emphysema

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16
Q

DDx of Rapidly Clearing Airspace Disease

A

Hemorrhage
Pulmonary Edema
Aspiration
Pneumococcal PNA

17
Q

DDx of Masses with Air Bronchogram within, 3

A

Lymphoma
Alveolar Cell Carcinoma
Pseudolymphoma (Maltoma)

18
Q

DDx of Cavitating PNA, 4

A

Staphyloccoccal
Streptococcal
TB
Gram Neg PNA, eg. Klebsiella

19
Q

DDx of Middle Mediastinal Mass, 4

A

Lymphadenopathy
Aneurysms
Esophageal Duplications
Bronchogenic Cysts

20
Q

DDx of Hilar Adenopathy (both BL and Unilateral), 5

A
Sarcoid, BL
TB, UL
Lymphoma, BL
Bronchogenic CA, UL
Metastasis, UL or BL
21
Q

DDx of Cavities COntaining Masses in Lungs, 4

A

Aspergilloma
Cavitating Bronchogenic CA
TB
Hydatid Cyst

22
Q

DDx of Airspace Disease w/ Effusion, 4

A

PNA (Staph and Strept)
TB
Pulmonary infarct

23
Q

DDx of Pulm Mass + Ipsilateral Hilar Adenopathy, 3

A

Bronchogenic CA
Lymphoma
TB

24
Q

DDx of Solitary Pulm Nodule, 8

A
Bronchogenic CA
Hamartoma
Histoplasmoma
Tuberculous Granuloma
Bronchial Adenoma
Solitary Mets
Round PNA
Rounded Atelectasis
25
Q

DDx of Left-sided Pleural Effusion, 4

A

Boerhaave’s Syndrome
Dissecting Aortic Aneurysm
Pancreatitis
Distal Thoracic duct Rupture

26
Q

DDx of Pleural Effusion, 9

A
CHF
Mets
Pancreatitis
Pulm Embolism
Trauma
Empyema
Collagen Vasulcar dzs
Ovarian Tumor (Meig's syndrome)
Chylothorax
27
Q

DDx of Multiple Small Calcifications of Lung, 5

A
Histoplasmosis
Silicosis
Chicken pox PNA
Pulmonary Ossification secondary to mitral stenosis
Alveolar microlithiasis
28
Q

DDx of Posterior Mediastinal Mass, 3

A

Neurogenic tumors, eg Neurofibroma
Lymphadenopathy
Extra-medullary hematopoesis

29
Q

DDx of Mediastinal Adenopathy, 5

A
Bronchogenic ca
Lymphoma
TB
Mets
Sarcoid
30
Q

DDx of Lung Disease + Rib Destruction, 4

A

Bronchogenic CA, ie. Pancost Tumor
Actinomycosis
Blastomycosis
Multiple myeloma

31
Q

DDx of Pleural calcifications, 3

A

Old TB empyema
Asbestosis exposure
Hemothorax

32
Q

DDx of Masses in Cardiophrenic Angle, 3

A

Sequestration
Diaphragmatic hernia (eg, Morgagni Hernia)
Pericardial Cyst

33
Q

DDx of Unilateral Pulm Edema, 3

A

Rapid expansion of PTX
Postural pulm edema
Diseases of the other lung, eg. COPD

34
Q

DDx of “Reverse” Pulmonary Edema (Peripheral Airspace Disease), 3

A

Eosinophic Lung disease (eg. Loeffler’s Syndrome, Eosinophilic PNA)
Sarcoid
Pulmonary Contusions