tension hydropneumothorax air fluid level at right costophrenic angle deeper right costophrenic...
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![Page 1: Tension hydropneumothorax Air fluid level at right costophrenic angle Deeper right costophrenic angle as compared to the left Contralateral shift of mediastinum](https://reader036.vdocuments.mx/reader036/viewer/2022081519/56649f1c5503460f94c320a1/html5/thumbnails/1.jpg)
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Tension hydropneumothorax
• Air fluid level at right costophrenic angle
• Deeper right costophrenic angle as compared to the left
• Contralateral shift of mediastinum
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ARDS
• Bilateral diffuse fluffy infiltrates
• Normal cardiac size
• Tracheostomy tube
• Right subclavian central line going inside the right atrium
• ECG wires
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• Ipsilateral shift of mediastinum and trachea
• Bronchial cut-off sign suggestive of endobronchial obstruction
• Rib crowding• Loss of volume• Obscured right mediastinal
and cardiac outline• Obscured right
hemidiaphragm (silhouette sign)
• Compensatory hyperinflation of left lung
• Prominent left pulmonary artery (cardiac output passing through single artery)
Right lung collapse - PA view
![Page 5: Tension hydropneumothorax Air fluid level at right costophrenic angle Deeper right costophrenic angle as compared to the left Contralateral shift of mediastinum](https://reader036.vdocuments.mx/reader036/viewer/2022081519/56649f1c5503460f94c320a1/html5/thumbnails/5.jpg)
• Loss of gradually increasing transradiancy down the spine
• Only one hemidiaphragm is visible (left)
• Suspicion of mass in lower lobe with lymph node in mediastinum
Right lung collapse – lateral view
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• Ipsilateral shift of trachea, carina and mediastinum
• Bronchial cut-off sign (left mainstem bronchus)
• Rib crowding• Loss of volume• Compensatory
hyperinflation of right lung
Left lung collapse
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• Airbronchogram sign– Produced as a
result of airspace opacification of the lung parenchyma
– This results in visibility of the normally invisible black bronchi against a background of white opacification
• Seen in consolidation and collapse with at least some patency of the bronchus
Collapse with airbronchogram
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• Loss of volume on left side
• Ipsilateral shift of trachea and mediastinum
• Compensatory hyperinflation of left lung
• Raised left hemidiaphragm (compare with right) with tenting
• Haziness over the aortic knuckle (silhouette sign)
Left upper lobe collapse – PA view
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• Oblique fissure displaced anteriorly
• Opacification anterior to the oblique fissure
Left upper lobe collapse – Lateral view
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• Loss of volume on right side
• Opacification of right upper lobe
• Transverse fissure raised
• Right hilum is also raised
Right upper lobe collapse - PA view
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• Oblique fissure displaced anteriorly
• Transverse fissure pulled upwards
• Opacification with loss of volume of right upper lobe
Right upper lobe collapse – lateral view
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• Loss of volume on left side• Ipsilateral shift of the heart• Both hila are at the same
level (left hilum has come down)
• Double opacity behind the heart
• Outline of left hemidiaphragm is obscured (silhouette sign)
• Left hemidiaphragm is raised (watch the gastric bubble)
Left lower lobe collapse – PA view
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• Loss of gradually increasing transradiancy down the spine
• One hemidiaphragm is clearly visible
• Oblique fissure is displaced posteriorly
Left lower lobe collapse – Lateral view
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• Multiple small millet sized nodules throughout both lung fields
Miliary shadowing
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• Mediastinal widening in upper part mediastinum
• Loss of volume on left side
• Double opacity behind the heart
• Left hemidiaphragm not visible
• Heart shifted to the left side
Mediastinal mass with left lower lobe collapse
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• Fungus ball with surrounding rim of air
Aspergilloma
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• Left sided pleural effusion
• Associated lobulated pleural thickening
• No shift of mediastinum due to encasement by mesothelioma
Mesothelioma
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• Cat under the rug appearance indicative of pleural based origin
• Angle between chest wall and opacity is obtuse (>90o)
Pleural based mass
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• Bilateral hilar lymphadenopathy
• Right paratracheal strip enlargement
• Bilateral infiltrates involving predominantly the mid zones
Sarcoidosis
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• Left sided apical pneumothorax
• Visceral pleural line is clearly visible– There should be
no lung markings distal to the visceral pleural line
Pneumothorax
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• Complete opacification of right hemithorax without significant contralateral shift of mediastinum
• Absence of shift is indicative of concomitant collapse
• Usually a sign of malignancy
Effusion with collapse