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Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
The cystic pattern ... When the cysts have ... on a CXR. ... seen and in many cases ... #Diagnosis #Radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... arthritis findings of NSIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
On the chest x-ray ... there is an ill-defined ... caused by Streptcoccus ... #Clinical #Radiology ... #CXR #AirBronchogram
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Hypersensitivity Pneumonia ... , Sarcoidosis, NSIP ... #CT #Patterns # ... Diagnosis #pulmonary #radiology
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... more than one pattern ... caused by streptococcus ... #Diagnosis #Radiology ... #Pulmonary #CXR
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... on a chest x-ray ... Nodule - Multiple Masses ... Diagnosis #Clinical #Radiology ... #CXR #Consolidation
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
or a cystic pattern ... The CXR is of a ... In many of such cases ... #Clinical #Radiology ... #CXR #CTChest #
On the left a patient with GGO as dominant pattern.
In addition there is traction bronchiectasis indicating
This case is one ... nonspecific interstitial pneumonia ... usual interstitial pneumonia ... #Clinical #Radiology ... #CTChest #NSIP
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
film of a 19 year old ... was caused by multiple ... cysts. ... #Clinical #Radiology ... #CXR #CTChest #
In the images on your left you can appreciate again the spectrum of findings seen in
findings seen in NSIP ... fine reticular pattern ... #Clinical #Radiology ... #CTChest #NSIP ... NonspecificInterstitialPneumonia #ILD