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No vascular markings on right

No shift of mediastinum to left

Deep sulcus

Atelectatic right lung

Increased haziness on left: Diversion of entire cardiac outputSmall fluid level near costo hrenic an le: H dro neumothorax

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Pneumothorax

No vascular markings on right No vascular markings on right

Shift of mediastinum to left

Deep sulcus

Atelectatic right lung

Increased haziness on left: Diversion of entire cardiac output

Note that the size of hemi thorax becomes equal after insertion of chest tube

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Pneumothorax

Atelectatic lung is dense implying that it is abnormal ("normal lung" will not be dense)

Bleb is easily recognized in the close-up below

Bleb is easily recognizable.

Look for blebs along the margin of the atelectatic lung in pneumothorax. If present, you can detect blebs easily

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Pneumothorax

Air in pleural space

Atelectatic lung

Deep pleural sulcus

Large left hemithorax

Atelectatic lung is dense, indicating that it is abnormal

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Spontaneous Pneumothorax

Air in pleural space

Lung margin

"Normal lungs": Note the radiolucency of atelectatic lung is the same as the oppositelung

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Spontaneous Pneumothorax

Air in pleural space

Lung margin

Same radiolucency as right lung: "Normal Lungs"

Bleb along upper margin of lung in close up below

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Pneumothorax

Subpulmonic accumulation

Atelectatic lung dense, indicating abnormality

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Necrotizing Pneumonia / Lung Abscess / Aspiration

Superior segment RLL dense pneumonia

Progression / Cavity

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Round Pneumonia

Round density

Shorter doubling time

Air bronchogram

The most common causes for round pneumonia are: Fungal

Tuberculosis.The CXR on the left is from a patient with aspergillus pneumonia developed while on steroids.

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Round Pneumonia

This is a case of blastomycosis.

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Heart Failure/Rapid Resolution

Such rapid resolution as seen above is usually due to secondary cause such as fluid

overload

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Pleural Effusion Massive

Multiple Myeloma

Plasmacytomas

Unilateral homogenous density

Mediastinal shift to right

Left diaphragmatic and left heart silhouettes lost

Left hemithorax larger

Labeled and post tap f ilms below

Larger hemithorax

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Pleural masses become evident after the fluid is removed and with some air.

Pleural masses are not clearly evident except for the apical pleural mass.

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Tuberculosis

RUL cavity

Posterior segment

Close up below.

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Tuberculosis

LUL cavity

Cavity behind clavicle - note increased density of clavicle in the region over lying cavity

Pleural effusion on right

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Milary Tuberculosis

Interstitial nodules

Uniform size

Sharper edges

Review the close up below.

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Tuberculosis

Left upper lobe cavity

Close up view below.

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Loculated Pleural Effusion

Empyema

Haziness of right hemithorax

Density not corresponding to lobar anatomy

Diaphragmatic and cardiac silhouettes intact

Lateral film below

Loculated fluid overlying vertebral column

Loculated fluid overlying vertebral column

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