Chest X-ray Path correlation

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Chest X-ray Path correlation

• Normal structures
• Densities
• Genesis of abnormal densities
• Localization
• Pathological correlation
• Steps in evaluation of CXR

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Left
RV
RA
LV
LA
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Densities
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Hemorrhage
Hem
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Localization

• Lobar distribution
• Air bronchogram
• Silouhette sign
• Extra pleural sign

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Lobar density
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Silouhette sign
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Silouhette sign
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LUL
RUL
RML
Lingula
RLL
LLL
Silouhette sign
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Extrapleural sign
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Peripheral Sharp inner Indistinct outer Concave
angles
Extrapleural sign
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Air bronchogram
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Pathological correlation

• Consolidation
• Cavitation
• Mass
• Atelectasis
• Pleural effusion
• Pneumothorax
• Pulmonary edema

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Consolidation
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Pneumonia
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Air bronchogram Lobar No loss of volume
Consolidation
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Hole Wall Lumen Content
Cavity
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Mass
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Homogenous Sharp margin No respect
Mass
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Atelectasis
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Loss of lung volume
Atelectasis
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Homogenous Costophrenic angle Meniscus
Pleural effusion
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Pneumothorax
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Air in pleura Atelectatic lung Hemithorax Mediasti
nual shift
Pneumothorax
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Pulmonary edema
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Pulmonary edema
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Bilateral Diffuse Alveolar
Pulmonary edema
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Emphysema
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Bleb
Emphysema
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Bullous emphysema
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Emphysema
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Emphysema
Flat diaphragm
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Dark lungs AP diameter Low flat
diaphragms Vertical heart Retrosternal
air Infracardiac air Avascularity Blebs
Emphysema
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Mediastinal nodes
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Metastases
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Honeycombing
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Interstitial fibrosis
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Diffuse interstitial
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Lines Honeycombing Nodules
Diffuse interstitial
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Steps in evaluation of CXR

• Identify abnormalities
• Localize
• Identify pathological process
• Probable etiology
• Tests to confirm

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Case 1
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Case 2
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Case 3
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Case 4
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Case 5
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Case 6
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Case 7
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Case 8