13 results
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
it is seen in pneumonias ... frequently seen in chronic ... lung disease. ... Diagnosis #Radiology #CXR ... #RadiologyAssistant
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
weight loss or long ... of chronic consolidation ... caused by Streptcoccus ... Clinical #Radiology #CXR ... #RadiologyAssistant
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Dyspnea (underlying lung ... ) • Abnormal CXR ... refer + order CT ... disease #Chronic ... Diagnosis #Algorithm #causes
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Chronic diseases ... Diffuse - perihilar (batwing ... caused by streptococcus ... Radiology #Pulmonary #CXR ... Differential #Table #RadiologyAssistant
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... angioinvasive disease ... • CT: Halo sign ... Abdominal pain, chronic ... factor • May cause
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
In chronic disease ... - Lung neoplasms ... pneumonia (OP) ... Radiology #Pulmonary #CXR ... #Differential #RadiologyAssistant
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... • Chronic alcoholism ... Blood cultures • CXR ... ) • CXR upright ... seen • Chest CT
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... nodular interstitial lung ... disease, that is ... Diagnosis #Radiology #CXR ... #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... multiple ill-defined masses ... month history of chronic ... Clinical #Radiology #CXR ... OrganizingPneumonia #BOOP #RadiologyAssistant
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
lung disease ... lymphocytic interstitial lung ... Chest CT: • Ground-glass ... community-acquired infections: Pneumonia ... DDX - Other causes