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Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
The cystic pattern ... walls like in Langerhans ... pattern on a CXR ... #Diagnosis #Radiology ... #Pulmonary #CXR
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
Cystic versus Reticular ... pattern or a cystic ... patient with Langerhans ... of such cases a HRCT ... #Clinical #Radiology
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... (LAM, LIP, Langerhans ... on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Radiographic Features ... Interstitial - Reticular ... #Diseases #Radiology ... #Patterns #Lung ... #CXR #XRay #ChestCT
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
of pulmonary fibrosis ... A HRCT is needed ... a reticular pattern ... #Clinical #Radiology ... #CXR #UIP #Reticular
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT Patterns ... Diagnosis Framework Reticular ... Antitripsyn Def • Cysts ... : Congenital, Langerhans ... #radiology
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... : reticular nodular ... attenuation (emphysema, cystic ... #Pulmonary #HRCT ... Interpretation #Algorithm
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
old patient with Langerhans ... chest film is a reticular ... patern and that's ... #Clinical #Radiology ... #CXR #CTChest #