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Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... - Diffuse consolidation ... - Multiple Masses ... Clinical #Radiology #CXR ... #Patterns #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
four patterns: ... reticular, nodular ... low attenuation (table ... common pattern ... seen and in many cases
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... are visible, the pattern ... are diffuse and ... #Pattern #MultipleNodules
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
Tuberculosis - Patterns ... and Consolidation ... Innumerable, bilateral, diffusely ... Tuberculosis #TB #Patterns ... clinical #radiology #CXR
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... to look at the pattern ... more than one pattern ... lobar pneumonia caused ... Radiology #Pulmonary #CXR
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
HRCT is needed to ... The HRCT - not shown ... Clinical #Radiology #CXR ... #Sarcoidosis #Nodular ... #Interstitial #Pattern
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... . 1- Consolidation ... resulting in lobar, diffuse ... Diagnosis #Radiology #CXR ... #Patterns #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
of HRCT involves ... the dominant HR-pattern ... : reticular nodular ... (ground-glass, consolidation ... #Algorithm #ILD
Sarcoidosis
On a CXR sarcoidosis usually first presents with hilar and mediastinal lymphadenopathy (example).
Parenchymal disease can present
Sarcoidosis On a CXR ... can present as consolidation ... they may resemble consolidation ... Clinical #Radiology #CXR ... #Interstitial #Pattern
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... - Imaging: • CXR ... and GG pattern, ... , cavities • HRCT ... Pulmonary lymphoma, Diffuse