Sandbox/cap

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Chetan Lokhande, M.B.B.S [2]; João André Alves Silva, M.D. [3]

Chest X-Rays

Lobar Pneumonia

Consolidation of the right middle lobe with air bronchogram (branching radiolucent columns of air corresponding to bronchi indicating alveolar process). Image Courtesy of Radiopaedia and Copylefted.

Right sided pneumonia.

Extensive consolidation and air bronchograms with loss of the right hemidiaphragm in keeping with right lower lobe pneumonia.

Notice that the left heart margin remains distinct - helping distinguish upper from lower lobe pneumonia.

Right upper lobe consolidation with air bronchograms. Features of pneumonia.

Arrow show areas of consolidation.

Interstitial Pneumonia

Infiltration of the right middle lobe.

Ground-glass pattern is seen on the X-ray.

Atypical pneumonia has the radiographic features of patchy reticular opacities.

Atypical pneumonia has the radiographic features of patchy reticular opacities.

Curved red line shows a bulging fissure which is typical for Pseudomonas, Staphylococcus aureus,Klebsiella pneumoniae

Multifocal patchy air space opacification without a zonal predilection.

Right hemithorax air space shadowing predominantly right sided signs were correlated with this radiograph with almost complete right sided air space opacification and early left basal changes.

Chlamydia pneumonia before treatment.

Chlamydia pneumonia one month later

Right hilar mass (orange) obstructing the right upper lobe bronchus results in collapse of the right upper lobe (green arrow). This results in a reverse S shape to the pleural edge. .

x400px|thumb|The right hemidiaphragm is elevated with some minor right basal atelectasis. Hazy airspace opacity is seen in the left mid and upper zone which may be inflammatory in nature. No areas of confluent consolidation are identified.

CT Images

Pneumonia with abscesses on both lungs, caverns on the left lung and effusions on both lungs.

Right sided pneumonia.

File:Bronchopneumonia tree in bud appearance The tree-in-bud sign describes the CT appearance of multiple areas of centrilobular nodules with a linear branching pattern.