21 results
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
Interstitial pneumonias ... most frequently caused ... The other cause ... #Clinical #Radiology ... #CXR #Acute #Interstitial
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
Lobar pneumonia ... include the list of causes ... caused by Streptcoccus ... #Clinical #Radiology ... #CXR #AirBronchogram
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
consolidation due to a pneumonia ... caused by Sterptococcus ... pneumoniae. ... #Clinical #Radiology ... #CXR #Pneumonia
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
the pattern of distribution ... caused by streptococcus ... pneumoniae may ... #Diagnosis #Radiology ... #Pulmonary #CXR
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
multiple ill-defined masses ... is a peripheral distribution ... #Clinical #Radiology ... #CXR #Peripheral ... #Distribution #
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Cryptogenic Organizing Pneumonia ... of organizing pneumonia ... Unknown • 6-7 cases ... - Imaging: • CXR ... : Peripheral distribution
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
bilateral perihilar distribution ... called a Batwing distribution ... it is seen in pneumonias ... #Diagnosis #Radiology ... #CXR #Batwing #
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae ... • Most common cause ... media • Important cause ... Physical Exam, CXR ... Spec > 95%) • Urine
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the lung bases ... non-perfused vessels and causes ... apex and the lung bases ... #Clinical #Radiology ... #CXR #CHF #Cephalization
HRCT findings in Chronic eosinophilic pneumonia
Peripheral consolidations with upper lobe predominance (photo negative of pulmonary edema).
On
Chronic eosinophilic pneumonia ... predominance (photo ... Notice peripheral distribution ... #Clinical #Radiology ... #Eosinophilic #Pnemonia